/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:41:21,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:41:21,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:41:21,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:41:21,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:41:21,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:41:21,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:41:21,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:41:21,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:41:21,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:41:21,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:41:21,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:41:21,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:41:21,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:41:21,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:41:21,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:41:21,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:41:21,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:41:21,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:41:21,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:41:21,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:41:21,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:41:21,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:41:21,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:41:21,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:41:21,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:41:21,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:41:21,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:41:21,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:41:21,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 23:41:21,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 23:41:21,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 23:41:21,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 23:41:21,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 23:41:21,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 23:41:21,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 23:41:21,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 23:41:21,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 23:41:21,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:41:21,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:41:21,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:41:21,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 23:41:21,967 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:41:21,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:41:21,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:41:21,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:41:21,969 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:41:21,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:41:21,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:41:21,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:41:21,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:41:21,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:41:21,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:41:21,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:41:21,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:41:21,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:41:21,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:41:21,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:41:21,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:41:21,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:41:21,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:41:21,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:41:21,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:41:21,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:41:21,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:41:21,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:41:21,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:41:21,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:41:21,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:41:21,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:41:21,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:41:21,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-08-21 23:41:22,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:41:22,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:41:22,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:41:22,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:41:22,270 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:41:22,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2020-08-21 23:41:22,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ba97601e/81adad7553244ec7bcd0bac9ef8876f4/FLAG6785eeab8 [2020-08-21 23:41:22,876 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:41:22,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2020-08-21 23:41:22,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ba97601e/81adad7553244ec7bcd0bac9ef8876f4/FLAG6785eeab8 [2020-08-21 23:41:23,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ba97601e/81adad7553244ec7bcd0bac9ef8876f4 [2020-08-21 23:41:23,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:41:23,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:41:23,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:41:23,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:41:23,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:41:23,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23, skipping insertion in model container [2020-08-21 23:41:23,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:41:23,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:41:23,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:41:23,769 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:41:23,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:41:23,883 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:41:23,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23 WrapperNode [2020-08-21 23:41:23,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:41:23,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:41:23,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:41:23,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:41:23,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... [2020-08-21 23:41:23,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:41:23,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:41:23,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:41:23,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:41:23,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:41:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:41:24,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 23:41:24,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 23:41:24,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 23:41:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 23:41:24,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 23:41:24,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 23:41:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 23:41:24,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 23:41:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 23:41:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 23:41:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 23:41:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 23:41:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 23:41:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 23:41:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 23:41:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 23:41:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:41:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:41:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 23:41:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 23:41:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 23:41:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 23:41:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 23:41:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 23:41:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 23:41:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 23:41:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 23:41:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 23:41:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 23:41:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 23:41:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:41:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 23:41:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 23:41:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 23:41:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 23:41:24,056 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 23:41:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 23:41:24,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 23:41:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:41:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 23:41:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:41:25,066 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:41:25,067 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 23:41:25,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:41:25 BoogieIcfgContainer [2020-08-21 23:41:25,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:41:25,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:41:25,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:41:25,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:41:25,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:41:23" (1/3) ... [2020-08-21 23:41:25,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4e99fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:41:25, skipping insertion in model container [2020-08-21 23:41:25,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:41:23" (2/3) ... [2020-08-21 23:41:25,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4e99fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:41:25, skipping insertion in model container [2020-08-21 23:41:25,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:41:25" (3/3) ... [2020-08-21 23:41:25,087 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2020-08-21 23:41:25,098 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:41:25,108 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:41:25,120 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:41:25,144 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:41:25,144 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:41:25,144 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:41:25,145 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:41:25,145 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:41:25,145 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:41:25,145 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:41:25,145 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:41:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-08-21 23:41:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 23:41:25,179 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:41:25,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:41:25,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:41:25,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:41:25,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1730166984, now seen corresponding path program 1 times [2020-08-21 23:41:25,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:41:25,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833728778] [2020-08-21 23:41:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:41:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,833 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:41:25,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:41:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:41:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:41:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:41:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:41:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 23:41:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 23:41:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 23:41:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 23:41:25,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833728778] [2020-08-21 23:41:25,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:41:25,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:41:25,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299708990] [2020-08-21 23:41:25,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 23:41:25,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:41:25,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 23:41:25,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:41:25,971 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-08-21 23:41:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:41:26,986 INFO L93 Difference]: Finished difference Result 274 states and 355 transitions. [2020-08-21 23:41:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 23:41:26,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 23:41:26,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:41:27,003 INFO L225 Difference]: With dead ends: 274 [2020-08-21 23:41:27,003 INFO L226 Difference]: Without dead ends: 153 [2020-08-21 23:41:27,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:41:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-08-21 23:41:27,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 122. [2020-08-21 23:41:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-08-21 23:41:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2020-08-21 23:41:27,100 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 59 [2020-08-21 23:41:27,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:41:27,101 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2020-08-21 23:41:27,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 23:41:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2020-08-21 23:41:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 23:41:27,105 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:41:27,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:41:27,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:41:27,105 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:41:27,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:41:27,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1195387073, now seen corresponding path program 1 times [2020-08-21 23:41:27,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:41:27,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649059014] [2020-08-21 23:41:27,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:41:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,519 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:41:27,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:41:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:41:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:41:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:41:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:41:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 23:41:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 23:41:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 23:41:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 23:41:27,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649059014] [2020-08-21 23:41:27,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:41:27,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 23:41:27,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159651801] [2020-08-21 23:41:27,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:41:27,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:41:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:41:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:41:27,592 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand 5 states. [2020-08-21 23:41:28,061 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:41:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:41:28,775 INFO L93 Difference]: Finished difference Result 209 states and 255 transitions. [2020-08-21 23:41:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:41:28,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 23:41:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:41:28,780 INFO L225 Difference]: With dead ends: 209 [2020-08-21 23:41:28,780 INFO L226 Difference]: Without dead ends: 143 [2020-08-21 23:41:28,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 23:41:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-21 23:41:28,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 113. [2020-08-21 23:41:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 23:41:28,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-08-21 23:41:28,819 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 60 [2020-08-21 23:41:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:41:28,819 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-08-21 23:41:28,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:41:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-08-21 23:41:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 23:41:28,822 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:41:28,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:41:28,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:41:28,823 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:41:28,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:41:28,823 INFO L82 PathProgramCache]: Analyzing trace with hash -754484092, now seen corresponding path program 1 times [2020-08-21 23:41:28,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:41:28,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602972329] [2020-08-21 23:41:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:41:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,186 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:41:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:41:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:41:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:41:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:41:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:41:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 23:41:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 23:41:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 23:41:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 23:41:29,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602972329] [2020-08-21 23:41:29,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:41:29,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:41:29,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275799426] [2020-08-21 23:41:29,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:41:29,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:41:29,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:41:29,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:41:29,345 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 9 states. [2020-08-21 23:41:29,791 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:41:30,141 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:30,395 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:30,643 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:31,547 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:41:32,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:41:32,917 INFO L93 Difference]: Finished difference Result 384 states and 475 transitions. [2020-08-21 23:41:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 23:41:32,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 23:41:32,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:41:32,923 INFO L225 Difference]: With dead ends: 384 [2020-08-21 23:41:32,923 INFO L226 Difference]: Without dead ends: 299 [2020-08-21 23:41:32,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 23:41:32,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-21 23:41:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 242. [2020-08-21 23:41:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-21 23:41:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 292 transitions. [2020-08-21 23:41:32,992 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 292 transitions. Word has length 65 [2020-08-21 23:41:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:41:32,992 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 292 transitions. [2020-08-21 23:41:32,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:41:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 292 transitions. [2020-08-21 23:41:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-21 23:41:32,995 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:41:32,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:41:32,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:41:32,996 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:41:32,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:41:32,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1343966775, now seen corresponding path program 1 times [2020-08-21 23:41:32,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:41:32,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776065238] [2020-08-21 23:41:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:41:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,300 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:41:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:41:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:41:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:41:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:41:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:41:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:41:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 23:41:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:41:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 23:41:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-21 23:41:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:41:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 23:41:33,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776065238] [2020-08-21 23:41:33,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:41:33,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:41:33,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164171921] [2020-08-21 23:41:33,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:41:33,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:41:33,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:41:33,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:41:33,411 INFO L87 Difference]: Start difference. First operand 242 states and 292 transitions. Second operand 9 states. [2020-08-21 23:41:33,820 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:41:34,550 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:35,066 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:35,301 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:41:35,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:41:35,404 INFO L93 Difference]: Finished difference Result 451 states and 591 transitions. [2020-08-21 23:41:35,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 23:41:35,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-21 23:41:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:41:35,406 INFO L225 Difference]: With dead ends: 451 [2020-08-21 23:41:35,406 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:41:35,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 23:41:35,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:41:35,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:41:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:41:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:41:35,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-08-21 23:41:35,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:41:35,412 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:41:35,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:41:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:41:35,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:41:35,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:41:35,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:41:37,470 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 23:41:37,646 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:37,847 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 23:41:38,173 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 23:41:38,366 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:41:38,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-08-21 23:41:38,755 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:41:38,916 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:41:39,112 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:39,293 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:41:39,448 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:39,771 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 23:41:39,925 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:41:40,103 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:41:40,428 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 23:41:40,746 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 23:41:41,075 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 23:41:41,261 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:41,429 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:41,629 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 23:41:41,814 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 23:41:42,004 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 23:41:42,328 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-08-21 23:41:42,501 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 23:41:42,513 INFO L268 CegarLoopResult]: For program point L547-2(lines 547 568) no Hoare annotation was computed. [2020-08-21 23:41:42,513 INFO L268 CegarLoopResult]: For program point L569(lines 546 570) no Hoare annotation was computed. [2020-08-21 23:41:42,513 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 522 577) no Hoare annotation was computed. [2020-08-21 23:41:42,513 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-08-21 23:41:42,513 INFO L268 CegarLoopResult]: For program point L553-1(lines 553 557) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 522 577) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 522 577) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-08-21 23:41:42,514 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 629) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point L630(lines 603 631) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 578 637) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 578 637) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 578 637) no Hoare annotation was computed. [2020-08-21 23:41:42,515 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-08-21 23:41:42,516 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2020-08-21 23:41:42,516 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2020-08-21 23:41:42,516 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2020-08-21 23:41:42,516 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2020-08-21 23:41:42,516 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 409 417) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 422 429) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 422 429) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 422 429) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 430 439) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 430 439) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 430 439) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-08-21 23:41:42,517 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-08-21 23:41:42,518 INFO L268 CegarLoopResult]: For program point L448(lines 448 465) no Hoare annotation was computed. [2020-08-21 23:41:42,518 INFO L268 CegarLoopResult]: For program point L448-1(lines 440 468) no Hoare annotation was computed. [2020-08-21 23:41:42,518 INFO L271 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: true [2020-08-21 23:41:42,518 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-08-21 23:41:42,518 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 440 468) the Hoare annotation is: true [2020-08-21 23:41:42,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 440 468) no Hoare annotation was computed. [2020-08-21 23:41:42,518 INFO L264 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 23:41:42,519 INFO L268 CegarLoopResult]: For program point L453(lines 453 459) no Hoare annotation was computed. [2020-08-21 23:41:42,519 INFO L268 CegarLoopResult]: For program point L452(lines 452 462) no Hoare annotation was computed. [2020-08-21 23:41:42,519 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-08-21 23:41:42,519 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 360 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,519 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 360 382) no Hoare annotation was computed. [2020-08-21 23:41:42,519 INFO L264 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~2 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,520 INFO L264 CegarLoopResult]: At program point L372-1(line 372) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~2 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,520 INFO L268 CegarLoopResult]: For program point L370(lines 370 377) no Hoare annotation was computed. [2020-08-21 23:41:42,520 INFO L268 CegarLoopResult]: For program point L370-1(lines 370 377) no Hoare annotation was computed. [2020-08-21 23:41:42,520 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-08-21 23:41:42,520 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,520 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,521 INFO L264 CegarLoopResult]: At program point L366-1(line 366) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 360 382) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 314 337) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 314 337) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 314 337) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-08-21 23:41:42,521 INFO L268 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L264 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 187 201) no Hoare annotation was computed. [2020-08-21 23:41:42,522 INFO L268 CegarLoopResult]: For program point L191(lines 191 197) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 187 201) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 187 201) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 142 150) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 142 150) the Hoare annotation is: true [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 142 150) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L158(lines 158 166) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L158-2(lines 158 166) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 151 186) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-08-21 23:41:42,523 INFO L268 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 151 186) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 151 186) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 476 521) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 476 521) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 476 521) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 789 834) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 789 834) no Hoare annotation was computed. [2020-08-21 23:41:42,524 INFO L268 CegarLoopResult]: For program point L809(lines 809 816) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 789 834) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L268 CegarLoopResult]: For program point L803(lines 803 823) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L268 CegarLoopResult]: For program point L803-1(lines 803 823) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 346 356) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,525 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,525 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 346 356) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 346 356) no Hoare annotation was computed. [2020-08-21 23:41:42,525 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 131 141) the Hoare annotation is: true [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 131 141) no Hoare annotation was computed. [2020-08-21 23:41:42,526 INFO L271 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: true [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point L136-1(line 136) no Hoare annotation was computed. [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 131 141) no Hoare annotation was computed. [2020-08-21 23:41:42,526 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 123 130) the Hoare annotation is: true [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 123 130) no Hoare annotation was computed. [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 123 130) no Hoare annotation was computed. [2020-08-21 23:41:42,526 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,526 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L268 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 90 114) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 90 114) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,527 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,527 INFO L268 CegarLoopResult]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,527 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,527 INFO L268 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2020-08-21 23:41:42,527 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2020-08-21 23:41:42,528 INFO L268 CegarLoopResult]: For program point L225(lines 224 273) no Hoare annotation was computed. [2020-08-21 23:41:42,528 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,528 INFO L264 CegarLoopResult]: At program point testENTRY(lines 214 281) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,528 INFO L268 CegarLoopResult]: For program point L254(lines 254 269) no Hoare annotation was computed. [2020-08-21 23:41:42,528 INFO L268 CegarLoopResult]: For program point testFINAL(lines 214 281) no Hoare annotation was computed. [2020-08-21 23:41:42,528 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,528 INFO L268 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-08-21 23:41:42,528 INFO L268 CegarLoopResult]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2020-08-21 23:41:42,528 INFO L264 CegarLoopResult]: At program point L271(lines 224 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,528 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-08-21 23:41:42,529 INFO L264 CegarLoopResult]: At program point L274(lines 223 275) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,529 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-08-21 23:41:42,529 INFO L264 CegarLoopResult]: At program point L262-1(lines 254 269) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point testEXIT(lines 214 281) no Hoare annotation was computed. [2020-08-21 23:41:42,529 INFO L268 CegarLoopResult]: For program point L763(lines 763 770) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 743 788) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 743 788) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point L757-1(lines 757 777) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 743 788) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 892 914) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 892 914) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 892 914) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-08-21 23:41:42,530 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 385 394) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 385 394) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 385 394) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 640 742) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L669(lines 669 685) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L729(lines 729 736) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L690(lines 689 709) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L686(lines 686 727) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 640 742) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-21 23:41:42,531 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point L728(lines 728 739) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point L691(lines 691 695) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 640 742) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point L689-2(lines 689 709) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point L710(lines 688 711) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,532 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 23:41:42,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 115 122) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 115 122) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 115 122) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 915 923) the Hoare annotation is: true [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 915 923) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 915 923) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 871 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-08-21 23:41:42,533 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 871 882) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 883 891) the Hoare annotation is: true [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 883 891) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 883 891) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L264 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point L62(lines 58 80) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point L60(lines 58 80) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,534 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2020-08-21 23:41:42,534 INFO L264 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2020-08-21 23:41:42,535 INFO L264 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2020-08-21 23:41:42,535 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: true [2020-08-21 23:41:42,535 INFO L271 CegarLoopResult]: At program point L309(lines 284 313) the Hoare annotation is: true [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-08-21 23:41:42,535 INFO L271 CegarLoopResult]: At program point L298-1(lines 298 302) the Hoare annotation is: true [2020-08-21 23:41:42,535 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-08-21 23:41:42,536 INFO L271 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: true [2020-08-21 23:41:42,536 INFO L271 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: true [2020-08-21 23:41:42,536 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 847 858) the Hoare annotation is: true [2020-08-21 23:41:42,536 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 847 858) no Hoare annotation was computed. [2020-08-21 23:41:42,536 INFO L268 CegarLoopResult]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2020-08-21 23:41:42,536 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2020-08-21 23:41:42,536 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2020-08-21 23:41:42,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,536 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 23:41:42,537 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2020-08-21 23:41:42,537 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 859 870) no Hoare annotation was computed. [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-08-21 23:41:42,537 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 859 870) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 23:41:42,537 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 836 843) no Hoare annotation was computed. [2020-08-21 23:41:42,538 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2020-08-21 23:41:42,538 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 836 843) the Hoare annotation is: true [2020-08-21 23:41:42,538 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 836 843) no Hoare annotation was computed. [2020-08-21 23:41:42,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:41:42 BoogieIcfgContainer [2020-08-21 23:41:42,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:41:42,555 INFO L168 Benchmark]: Toolchain (without parser) took 19354.36 ms. Allocated memory was 141.0 MB in the beginning and 543.7 MB in the end (delta: 402.7 MB). Free memory was 101.6 MB in the beginning and 252.0 MB in the end (delta: -150.4 MB). Peak memory consumption was 418.6 MB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,556 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.69 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,558 INFO L168 Benchmark]: Boogie Preprocessor took 90.18 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,559 INFO L168 Benchmark]: RCFGBuilder took 1101.41 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 191.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,560 INFO L168 Benchmark]: TraceAbstraction took 17474.32 ms. Allocated memory was 233.8 MB in the beginning and 543.7 MB in the end (delta: 309.9 MB). Free memory was 191.5 MB in the beginning and 252.0 MB in the end (delta: -60.5 MB). Peak memory consumption was 415.7 MB. Max. memory is 7.1 GB. [2020-08-21 23:41:42,563 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.69 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.18 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1101.41 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 191.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17474.32 ms. Allocated memory was 233.8 MB in the beginning and 543.7 MB in the end (delta: 309.9 MB). Free memory was 191.5 MB in the beginning and 252.0 MB in the end (delta: -60.5 MB). Peak memory consumption was 415.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 840]: 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: 223]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 720 SDslu, 401 SDs, 0 SdLazy, 1551 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 118 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 306 PreInvPairs, 359 NumberOfFragments, 693 HoareAnnotationTreeSize, 306 FomulaSimplifications, 25020 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9926 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 74374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...