/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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:02:15,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:02:15,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:02:15,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 22:02:15,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:02:15,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:02:15,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:02:15,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:02:15,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:02:15,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:02:15,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:02:15,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 22:02:15,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:02:15,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:02:15,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:02:15,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:02:15,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:02:15,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:02:15,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:02:15,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:02:15,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:02:15,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:02:15,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:02:15,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:02:15,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 22:02:15,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 22:02:15,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 22:02:15,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 22:02:15,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 22:02:15,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 22:02:15,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 22:02:15,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 22:02:15,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 22:02:15,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 22:02:15,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 22:02:15,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 22:02:15,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 22:02:15,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 22:02:15,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:02:15,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:02:15,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:02:15,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 22:02:15,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:02:15,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:02:15,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:02:15,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:02:15,824 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:02:15,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:02:15,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:02:15,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:02:15,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:02:15,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:02:15,826 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:02:15,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:02:15,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:02:15,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:02:15,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:02:15,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:02:15,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:02:15,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:02:15,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:02:15,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:02:15,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:02:15,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:02:15,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:02:15,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 22:02:16,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:02:16,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:02:16,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:02:16,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:02:16,124 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:02:16,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-06 22:02:16,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e1929b4/1e763263b57642b585f04bd1a621d231/FLAG161bc7d05 [2019-11-06 22:02:16,721 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:02:16,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-06 22:02:16,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e1929b4/1e763263b57642b585f04bd1a621d231/FLAG161bc7d05 [2019-11-06 22:02:17,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e1929b4/1e763263b57642b585f04bd1a621d231 [2019-11-06 22:02:17,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:02:17,027 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:02:17,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:02:17,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:02:17,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:02:17,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6731947f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17, skipping insertion in model container [2019-11-06 22:02:17,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:02:17,102 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:02:17,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:02:17,596 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:02:17,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:02:17,739 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:02:17,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17 WrapperNode [2019-11-06 22:02:17,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:02:17,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:02:17,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:02:17,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:02:17,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... [2019-11-06 22:02:17,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:02:17,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:02:17,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:02:17,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:02:17,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 22:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:02:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 22:02:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-06 22:02:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-06 22:02:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-06 22:02:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 22:02:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 22:02:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 22:02:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:02:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:02:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 22:02:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-06 22:02:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-06 22:02:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-06 22:02:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-06 22:02:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 22:02:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 22:02:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:02:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 22:02:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:02:19,005 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:02:19,006 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-06 22:02:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:19 BoogieIcfgContainer [2019-11-06 22:02:19,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:02:19,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:02:19,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:02:19,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:02:19,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:17" (1/3) ... [2019-11-06 22:02:19,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79020053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:19, skipping insertion in model container [2019-11-06 22:02:19,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:17" (2/3) ... [2019-11-06 22:02:19,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79020053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:19, skipping insertion in model container [2019-11-06 22:02:19,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:19" (3/3) ... [2019-11-06 22:02:19,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2019-11-06 22:02:19,028 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:02:19,039 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:02:19,050 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:02:19,077 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:02:19,078 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:02:19,078 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:02:19,078 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:02:19,078 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:02:19,079 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:02:19,079 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:02:19,079 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:02:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-11-06 22:02:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-06 22:02:19,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:19,112 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:19,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:19,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:19,118 INFO L82 PathProgramCache]: Analyzing trace with hash -11503159, now seen corresponding path program 1 times [2019-11-06 22:02:19,127 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:19,127 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498150296] [2019-11-06 22:02:19,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,889 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:19,957 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498150296] [2019-11-06 22:02:19,958 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:19,958 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 22:02:19,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114247176] [2019-11-06 22:02:19,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 22:02:19,968 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:19,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 22:02:19,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 22:02:19,992 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2019-11-06 22:02:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:21,105 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2019-11-06 22:02:21,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 22:02:21,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-11-06 22:02:21,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:21,134 INFO L225 Difference]: With dead ends: 247 [2019-11-06 22:02:21,134 INFO L226 Difference]: Without dead ends: 134 [2019-11-06 22:02:21,141 INFO L630 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 [2019-11-06 22:02:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-06 22:02:21,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2019-11-06 22:02:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-06 22:02:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-11-06 22:02:21,224 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2019-11-06 22:02:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:21,224 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-11-06 22:02:21,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 22:02:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-11-06 22:02:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-06 22:02:21,228 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:21,228 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:21,228 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:21,229 INFO L82 PathProgramCache]: Analyzing trace with hash -916860037, now seen corresponding path program 1 times [2019-11-06 22:02:21,229 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:21,229 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112243136] [2019-11-06 22:02:21,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,574 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:21,611 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112243136] [2019-11-06 22:02:21,611 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:21,611 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 22:02:21,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893550531] [2019-11-06 22:02:21,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 22:02:21,613 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:21,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 22:02:21,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 22:02:21,614 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2019-11-06 22:02:22,122 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:02:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:22,714 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2019-11-06 22:02:22,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 22:02:22,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-06 22:02:22,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:22,718 INFO L225 Difference]: With dead ends: 180 [2019-11-06 22:02:22,718 INFO L226 Difference]: Without dead ends: 118 [2019-11-06 22:02:22,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-06 22:02:22,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-06 22:02:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2019-11-06 22:02:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-06 22:02:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-11-06 22:02:22,782 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2019-11-06 22:02:22,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:22,783 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-11-06 22:02:22,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 22:02:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-11-06 22:02:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-06 22:02:22,785 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:22,785 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:22,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:22,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:22,786 INFO L82 PathProgramCache]: Analyzing trace with hash 70257927, now seen corresponding path program 1 times [2019-11-06 22:02:22,786 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:22,787 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74347888] [2019-11-06 22:02:22,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,138 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:23,219 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74347888] [2019-11-06 22:02:23,219 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:23,219 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 22:02:23,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416419966] [2019-11-06 22:02:23,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 22:02:23,220 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:23,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 22:02:23,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-06 22:02:23,221 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2019-11-06 22:02:23,694 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:24,032 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:24,300 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:24,557 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:25,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:25,517 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2019-11-06 22:02:25,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 22:02:25,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-06 22:02:25,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:25,520 INFO L225 Difference]: With dead ends: 189 [2019-11-06 22:02:25,520 INFO L226 Difference]: Without dead ends: 118 [2019-11-06 22:02:25,521 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:02:25,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-06 22:02:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2019-11-06 22:02:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-06 22:02:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-11-06 22:02:25,550 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2019-11-06 22:02:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:25,550 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-11-06 22:02:25,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 22:02:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-11-06 22:02:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-06 22:02:25,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:25,553 INFO L410 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] [2019-11-06 22:02:25,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:25,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:25,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1578513704, now seen corresponding path program 1 times [2019-11-06 22:02:25,554 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:25,554 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475935433] [2019-11-06 22:02:25,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,878 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:26,024 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475935433] [2019-11-06 22:02:26,024 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:26,024 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 22:02:26,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828945058] [2019-11-06 22:02:26,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 22:02:26,025 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:26,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 22:02:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-11-06 22:02:26,026 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 12 states. [2019-11-06 22:02:26,564 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:26,922 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:27,208 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:27,508 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:28,128 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-11-06 22:02:28,991 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:29,350 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:29,659 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:29,928 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-11-06 22:02:30,215 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:30,583 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:30,915 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-06 22:02:31,211 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:32,285 INFO L93 Difference]: Finished difference Result 360 states and 482 transitions. [2019-11-06 22:02:32,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-06 22:02:32,286 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2019-11-06 22:02:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:32,291 INFO L225 Difference]: With dead ends: 360 [2019-11-06 22:02:32,291 INFO L226 Difference]: Without dead ends: 289 [2019-11-06 22:02:32,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-11-06 22:02:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-11-06 22:02:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 224. [2019-11-06 22:02:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-11-06 22:02:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 265 transitions. [2019-11-06 22:02:32,358 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 265 transitions. Word has length 59 [2019-11-06 22:02:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:32,359 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 265 transitions. [2019-11-06 22:02:32,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 22:02:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 265 transitions. [2019-11-06 22:02:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-06 22:02:32,361 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:32,362 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:32,362 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:32,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:32,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1583734356, now seen corresponding path program 1 times [2019-11-06 22:02:32,362 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:32,363 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119905533] [2019-11-06 22:02:32,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,649 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 22:02:32,728 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119905533] [2019-11-06 22:02:32,729 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 22:02:32,729 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 22:02:32,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876397934] [2019-11-06 22:02:32,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 22:02:32,730 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:32,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 22:02:32,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 22:02:32,730 INFO L87 Difference]: Start difference. First operand 224 states and 265 transitions. Second operand 6 states. [2019-11-06 22:02:33,155 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-06 22:02:33,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:33,702 INFO L93 Difference]: Finished difference Result 363 states and 446 transitions. [2019-11-06 22:02:33,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 22:02:33,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-11-06 22:02:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:33,705 INFO L225 Difference]: With dead ends: 363 [2019-11-06 22:02:33,706 INFO L226 Difference]: Without dead ends: 163 [2019-11-06 22:02:33,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-06 22:02:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-11-06 22:02:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2019-11-06 22:02:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-06 22:02:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2019-11-06 22:02:33,737 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 67 [2019-11-06 22:02:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:33,737 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2019-11-06 22:02:33,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 22:02:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2019-11-06 22:02:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-06 22:02:33,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:02:33,739 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 22:02:33,740 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:02:33,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:02:33,740 INFO L82 PathProgramCache]: Analyzing trace with hash 368759171, now seen corresponding path program 1 times [2019-11-06 22:02:33,740 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:02:33,740 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967138981] [2019-11-06 22:02:33,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:02:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,052 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-06 22:02:34,172 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967138981] [2019-11-06 22:02:34,173 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518624384] [2019-11-06 22:02:34,173 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 [2019-11-06 22:02:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 22:02:34,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-06 22:02:34,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 22:02:34,564 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 22:02:34,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 22:02:34,565 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-11-06 22:02:34,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640816702] [2019-11-06 22:02:34,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-06 22:02:34,571 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 22:02:34,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-06 22:02:34,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-06 22:02:34,575 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 15 states. [2019-11-06 22:02:35,129 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:35,873 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-11-06 22:02:36,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 22:02:36,548 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2019-11-06 22:02:36,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 22:02:36,549 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 98 [2019-11-06 22:02:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 22:02:36,550 INFO L225 Difference]: With dead ends: 203 [2019-11-06 22:02:36,550 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 22:02:36,551 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-11-06 22:02:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 22:02:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 22:02:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 22:02:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 22:02:36,552 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-11-06 22:02:36,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 22:02:36,552 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 22:02:36,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-06 22:02:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 22:02:36,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 22:02:36,753 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 22:02:36,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 22:02:37,125 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-11-06 22:02:37,286 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-11-06 22:02:38,594 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-11-06 22:02:38,751 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:39,224 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-06 22:02:39,394 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:39,553 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2019-11-06 22:02:39,724 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-11-06 22:02:39,879 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2019-11-06 22:02:40,047 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2019-11-06 22:02:40,266 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-06 22:02:40,729 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-11-06 22:02:41,212 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-06 22:02:41,359 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:41,804 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-11-06 22:02:42,287 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-06 22:02:42,740 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-11-06 22:02:42,895 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:43,030 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2019-11-06 22:02:43,186 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:43,329 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:43,474 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:43,622 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-11-06 22:02:43,772 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:44,012 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2019-11-06 22:02:44,209 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2019-11-06 22:02:44,212 INFO L443 ceAbstractionStarter]: For program point L607(line 607) no Hoare annotation was computed. [2019-11-06 22:02:44,212 INFO L443 ceAbstractionStarter]: For program point L606-2(lines 606 627) no Hoare annotation was computed. [2019-11-06 22:02:44,212 INFO L443 ceAbstractionStarter]: For program point L628(lines 605 629) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 581 636) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 581 636) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 581 636) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 669 673) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L664(line 664) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 637 696) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 688) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point L689(lines 662 690) no Hoare annotation was computed. [2019-11-06 22:02:44,213 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 637 696) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point L682(line 682) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 637 696) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2019-11-06 22:02:44,214 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2019-11-06 22:02:44,214 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-11-06 22:02:44,215 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-06 22:02:44,215 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-11-06 22:02:44,215 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-11-06 22:02:44,215 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-11-06 22:02:44,216 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,216 INFO L439 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,216 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2019-11-06 22:02:44,216 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2019-11-06 22:02:44,216 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,216 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-06 22:02:44,217 INFO L439 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,217 INFO L439 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,217 INFO L439 ceAbstractionStarter]: At program point L155-1(line 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,217 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2019-11-06 22:02:44,217 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2019-11-06 22:02:44,217 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 104 127) no Hoare annotation was computed. [2019-11-06 22:02:44,217 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 104 127) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 104 127) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2019-11-06 22:02:44,218 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2019-11-06 22:02:44,219 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2019-11-06 22:02:44,219 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-11-06 22:02:44,220 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 384 419) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 399) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 384 419) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 399) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 384 419) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 535 580) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 535 580) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 535 580) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 882) no Hoare annotation was computed. [2019-11-06 22:02:44,221 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 848 893) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 848 893) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 848 893) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 875) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 364 374) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 364 374) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 364 374) no Hoare annotation was computed. [2019-11-06 22:02:44,222 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2019-11-06 22:02:44,223 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse1))) [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2019-11-06 22:02:44,223 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse1))) [2019-11-06 22:02:44,223 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,223 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2019-11-06 22:02:44,223 INFO L439 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,223 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-11-06 22:02:44,224 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-11-06 22:02:44,224 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2019-11-06 22:02:44,224 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2019-11-06 22:02:44,224 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,224 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2019-11-06 22:02:44,224 INFO L439 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-06 22:02:44,224 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2019-11-06 22:02:44,224 INFO L439 ceAbstractionStarter]: At program point L263-2(lines 257 268) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:44,225 INFO L443 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2019-11-06 22:02:44,225 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 268) no Hoare annotation was computed. [2019-11-06 22:02:44,225 INFO L439 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:44,225 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2019-11-06 22:02:44,225 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2019-11-06 22:02:44,225 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)))) [2019-11-06 22:02:44,225 INFO L439 ceAbstractionStarter]: At program point L270(lines 227 272) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-06 22:02:44,225 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 802 847) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 829) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 802 847) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 802 847) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 836) no Hoare annotation was computed. [2019-11-06 22:02:44,226 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 816 836) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 503) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 487 509) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 487 509) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 487 509) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 183 192) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 183 192) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 183 192) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 699 801) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-11-06 22:02:44,227 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 727) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 798) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 754) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 768) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 699 801) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L769(lines 747 770) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 744) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 795) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 699 801) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L749(lines 748 768) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 786) no Hoare annotation was computed. [2019-11-06 22:02:44,228 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#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)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 348 355) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 348 355) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 348 355) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2019-11-06 22:02:44,229 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-11-06 22:02:44,230 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L443 ceAbstractionStarter]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,230 INFO L439 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-11-06 22:02:44,231 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (or .cse0 (and (= 1 ~waterLevel~0) .cse2) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-11-06 22:02:44,231 INFO L439 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (and (= 1 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)))) [2019-11-06 22:02:44,231 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2019-11-06 22:02:44,231 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-11-06 22:02:44,231 INFO L443 ceAbstractionStarter]: For program point L295(lines 294 313) no Hoare annotation was computed. [2019-11-06 22:02:44,231 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2019-11-06 22:02:44,232 INFO L446 ceAbstractionStarter]: At program point L96(lines 71 100) the Hoare annotation is: true [2019-11-06 22:02:44,232 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2019-11-06 22:02:44,232 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2019-11-06 22:02:44,232 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-06 22:02:44,232 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2019-11-06 22:02:44,232 INFO L446 ceAbstractionStarter]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2019-11-06 22:02:44,232 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-06 22:02:44,232 INFO L446 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2019-11-06 22:02:44,233 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 478 486) no Hoare annotation was computed. [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 478 486) no Hoare annotation was computed. [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 478 486) no Hoare annotation was computed. [2019-11-06 22:02:44,233 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2019-11-06 22:02:44,233 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2019-11-06 22:02:44,234 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2019-11-06 22:02:44,234 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2019-11-06 22:02:44,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,234 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-06 22:02:44,234 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 22:02:44,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 22:02:44,234 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2019-11-06 22:02:44,234 INFO L443 ceAbstractionStarter]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2019-11-06 22:02:44,235 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-11-06 22:02:44,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2019-11-06 22:02:44,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2019-11-06 22:02:44,235 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2019-11-06 22:02:44,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2019-11-06 22:02:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:44 BoogieIcfgContainer [2019-11-06 22:02:44,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 22:02:44,251 INFO L168 Benchmark]: Toolchain (without parser) took 27223.71 ms. Allocated memory was 144.2 MB in the beginning and 593.0 MB in the end (delta: 448.8 MB). Free memory was 100.8 MB in the beginning and 427.9 MB in the end (delta: -327.2 MB). Peak memory consumption was 444.7 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,252 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 168.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,254 INFO L168 Benchmark]: Boogie Preprocessor took 82.59 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,255 INFO L168 Benchmark]: RCFGBuilder took 1180.62 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 199.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,256 INFO L168 Benchmark]: TraceAbstraction took 25239.36 ms. Allocated memory was 232.8 MB in the beginning and 593.0 MB in the end (delta: 360.2 MB). Free memory was 198.1 MB in the beginning and 427.9 MB in the end (delta: -229.8 MB). Peak memory consumption was 453.4 MB. Max. memory is 7.1 GB. [2019-11-06 22:02:44,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.03 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.6 MB in the beginning and 168.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.59 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.62 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 164.3 MB in the beginning and 199.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25239.36 ms. Allocated memory was 232.8 MB in the beginning and 593.0 MB in the end (delta: 360.2 MB). Free memory was 198.1 MB in the beginning and 427.9 MB in the end (delta: -229.8 MB). Peak memory consumption was 453.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && 1 == waterLevel) && 0 == splverifierCounter)) || !(systemActive == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 25.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, HoareTripleCheckerStatistics: 502 SDtfs, 1069 SDslu, 431 SDs, 0 SdLazy, 2474 SolverSat, 667 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 39781 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8360 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 133723 SizeOfPredicates, 3 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 59/62 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...