/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:51:01,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:51:01,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:51:01,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:51:01,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:51:01,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:51:01,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:51:01,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:51:01,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:51:01,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:51:01,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:51:01,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:51:01,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:51:01,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:51:01,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:51:01,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:51:01,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:51:01,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:51:01,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:51:01,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:51:01,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:51:01,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:51:01,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:51:01,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:51:01,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 05:51:01,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 05:51:01,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 05:51:01,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 05:51:01,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 05:51:01,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 05:51:01,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 05:51:01,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 05:51:01,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 05:51:01,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 05:51:01,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 05:51:01,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 05:51:01,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 05:51:01,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 05:51:01,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:51:01,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:51:01,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:51:01,829 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 [2020-08-19 05:51:01,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:51:01,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:51:01,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:51:01,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:51:01,870 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:51:01,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:51:01,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:51:01,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:51:01,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:51:01,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:51:01,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:51:01,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:51:01,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:51:01,873 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:51:01,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:51:01,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:51:01,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:51:01,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:51:01,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:51:01,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:51:01,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:51:01,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:51:01,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:51:01,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:51:01,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:51:01,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:51:01,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:51:01,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:51:01,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:51:01,876 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 05:51:02,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:51:02,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:51:02,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:51:02,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:51:02,182 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:51:02,183 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-08-19 05:51:02,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7be7a678e/85b919df0bb043d5b342fffc036f404d/FLAG14f8efb9a [2020-08-19 05:51:02,813 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:51:02,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-08-19 05:51:02,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7be7a678e/85b919df0bb043d5b342fffc036f404d/FLAG14f8efb9a [2020-08-19 05:51:03,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7be7a678e/85b919df0bb043d5b342fffc036f404d [2020-08-19 05:51:03,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:51:03,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:51:03,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:51:03,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:51:03,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:51:03,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a35e781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03, skipping insertion in model container [2020-08-19 05:51:03,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:51:03,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:51:03,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:51:03,655 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:51:03,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:51:03,753 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:51:03,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03 WrapperNode [2020-08-19 05:51:03,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:51:03,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:51:03,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:51:03,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:51:03,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (1/1) ... [2020-08-19 05:51:03,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:51:03,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:51:03,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:51:03,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:51:03,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (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 [2020-08-19 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:51:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 05:51:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 05:51:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 05:51:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 05:51:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 05:51:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 05:51:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 05:51:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 05:51:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 05:51:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:51:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 05:51:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 05:51:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 05:51:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 05:51:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 05:51:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 05:51:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-19 05:51:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 05:51:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 05:51:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 05:51:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 05:51:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 05:51:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 05:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 05:51:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 05:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 05:51:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 05:51:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 05:51:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 05:51:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 05:51:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 05:51:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 05:51:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 05:51:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 05:51:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:51:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 05:51:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 05:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 05:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 05:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 05:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 05:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 05:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 05:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 05:51:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 05:51:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 05:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 05:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-19 05:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 05:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 05:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 05:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 05:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 05:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 05:51:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 05:51:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:51:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 05:51:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:51:04,902 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:51:04,902 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 05:51:04,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:51:04 BoogieIcfgContainer [2020-08-19 05:51:04,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:51:04,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:51:04,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:51:04,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:51:04,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:51:03" (1/3) ... [2020-08-19 05:51:04,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c917f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:51:04, skipping insertion in model container [2020-08-19 05:51:04,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:51:03" (2/3) ... [2020-08-19 05:51:04,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c917f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:51:04, skipping insertion in model container [2020-08-19 05:51:04,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:51:04" (3/3) ... [2020-08-19 05:51:04,915 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-08-19 05:51:04,925 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:51:04,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:51:04,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:51:04,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:51:04,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:51:04,970 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:51:04,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:51:04,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:51:04,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:51:04,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:51:04,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:51:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-08-19 05:51:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 05:51:05,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:05,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:05,003 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:05,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:05,009 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2020-08-19 05:51:05,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:05,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630269206] [2020-08-19 05:51:05,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,603 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 05:51:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 05:51:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:51:05,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630269206] [2020-08-19 05:51:05,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:51:05,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 05:51:05,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024711702] [2020-08-19 05:51:05,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 05:51:05,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:05,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 05:51:05,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 05:51:05,719 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2020-08-19 05:51:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:06,702 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-08-19 05:51:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 05:51:06,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 05:51:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:06,717 INFO L225 Difference]: With dead ends: 266 [2020-08-19 05:51:06,718 INFO L226 Difference]: Without dead ends: 145 [2020-08-19 05:51:06,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 05:51:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-19 05:51:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-08-19 05:51:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-08-19 05:51:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-08-19 05:51:06,801 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-08-19 05:51:06,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:06,802 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-08-19 05:51:06,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 05:51:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-08-19 05:51:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 05:51:06,805 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:06,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:06,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:51:06,806 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:06,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:06,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2020-08-19 05:51:06,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:06,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597170563] [2020-08-19 05:51:06,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,108 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:07,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 05:51:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 05:51:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:51:07,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597170563] [2020-08-19 05:51:07,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:51:07,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 05:51:07,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502563419] [2020-08-19 05:51:07,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 05:51:07,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:07,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 05:51:07,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 05:51:07,152 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-08-19 05:51:07,518 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 05:51:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:08,193 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-08-19 05:51:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:51:08,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 05:51:08,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:08,198 INFO L225 Difference]: With dead ends: 189 [2020-08-19 05:51:08,198 INFO L226 Difference]: Without dead ends: 129 [2020-08-19 05:51:08,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:51:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-19 05:51:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-08-19 05:51:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-19 05:51:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-08-19 05:51:08,236 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-08-19 05:51:08,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:08,236 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-08-19 05:51:08,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 05:51:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-08-19 05:51:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 05:51:08,238 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:08,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:08,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:51:08,239 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:08,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2020-08-19 05:51:08,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:08,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917377005] [2020-08-19 05:51:08,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,568 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 05:51:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 05:51:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:51:08,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917377005] [2020-08-19 05:51:08,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:51:08,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 05:51:08,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133298844] [2020-08-19 05:51:08,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:51:08,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:08,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:51:08,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:51:08,634 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2020-08-19 05:51:08,945 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:51:09,241 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:09,499 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:09,719 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:10,445 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 05:51:11,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:11,751 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2020-08-19 05:51:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 05:51:11,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 05:51:11,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:11,756 INFO L225 Difference]: With dead ends: 360 [2020-08-19 05:51:11,756 INFO L226 Difference]: Without dead ends: 281 [2020-08-19 05:51:11,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 05:51:11,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-08-19 05:51:11,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2020-08-19 05:51:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-19 05:51:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2020-08-19 05:51:11,826 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2020-08-19 05:51:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:11,827 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2020-08-19 05:51:11,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:51:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2020-08-19 05:51:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-19 05:51:11,829 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:11,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:11,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:51:11,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:11,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2020-08-19 05:51:11,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:11,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791535131] [2020-08-19 05:51:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,159 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 05:51:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 05:51:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-19 05:51:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:51:12,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791535131] [2020-08-19 05:51:12,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:51:12,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 05:51:12,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989191586] [2020-08-19 05:51:12,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 05:51:12,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:12,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 05:51:12,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:51:12,257 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2020-08-19 05:51:12,682 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:51:13,003 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:13,254 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:13,457 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:13,990 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 05:51:14,793 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:15,134 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:51:15,433 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:51:15,683 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 05:51:15,920 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:51:16,210 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:51:16,525 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:51:16,797 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:51:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:17,929 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2020-08-19 05:51:17,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 05:51:17,929 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-19 05:51:17,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:17,938 INFO L225 Difference]: With dead ends: 875 [2020-08-19 05:51:17,938 INFO L226 Difference]: Without dead ends: 679 [2020-08-19 05:51:17,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-19 05:51:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-08-19 05:51:18,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2020-08-19 05:51:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-08-19 05:51:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2020-08-19 05:51:18,075 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2020-08-19 05:51:18,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:18,075 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2020-08-19 05:51:18,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 05:51:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2020-08-19 05:51:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 05:51:18,079 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:18,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:18,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:51:18,080 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:18,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2020-08-19 05:51:18,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:18,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035408213] [2020-08-19 05:51:18,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,385 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:18,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 05:51:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 05:51:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 05:51:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 05:51:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:51:18,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035408213] [2020-08-19 05:51:18,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:51:18,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 05:51:18,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520742840] [2020-08-19 05:51:18,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 05:51:18,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:18,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 05:51:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:51:18,457 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2020-08-19 05:51:18,725 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:51:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:19,429 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2020-08-19 05:51:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 05:51:19,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-19 05:51:19,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:19,437 INFO L225 Difference]: With dead ends: 1027 [2020-08-19 05:51:19,438 INFO L226 Difference]: Without dead ends: 469 [2020-08-19 05:51:19,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:51:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-08-19 05:51:19,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-08-19 05:51:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-19 05:51:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-08-19 05:51:19,521 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-08-19 05:51:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:19,522 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-08-19 05:51:19,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 05:51:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-08-19 05:51:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-19 05:51:19,524 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:51:19,525 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:51:19,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:51:19,525 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:51:19,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:51:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2020-08-19 05:51:19,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:51:19,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116491752] [2020-08-19 05:51:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:51:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,815 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:51:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:51:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:51:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:51:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:51:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-19 05:51:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:51:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 05:51:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:51:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:51:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 05:51:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-19 05:51:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 05:51:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:51:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-19 05:51:19,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116491752] [2020-08-19 05:51:19,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:51:19,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:51:19,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428494185] [2020-08-19 05:51:19,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:51:19,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:51:19,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:51:19,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:51:19,994 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 10 states. [2020-08-19 05:51:20,519 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-19 05:51:21,096 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:51:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:51:21,966 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-08-19 05:51:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 05:51:21,966 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-19 05:51:21,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:51:21,967 INFO L225 Difference]: With dead ends: 565 [2020-08-19 05:51:21,968 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 05:51:21,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:51:21,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 05:51:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 05:51:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 05:51:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 05:51:21,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-19 05:51:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:51:21,971 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 05:51:21,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:51:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 05:51:21,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 05:51:21,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 05:51:21,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 05:51:22,288 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 33 [2020-08-19 05:51:23,144 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 21 [2020-08-19 05:51:25,964 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 05:51:26,427 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:26,931 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-19 05:51:27,078 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-19 05:51:27,606 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:27,957 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:28,395 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-19 05:51:28,585 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:51:29,182 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-19 05:51:29,338 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 05:51:29,953 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-19 05:51:30,536 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-19 05:51:30,791 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 05:51:31,383 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-19 05:51:31,902 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-19 05:51:32,049 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 05:51:32,444 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:32,919 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:33,271 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:51:33,742 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 05:51:34,109 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 05:51:34,743 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-19 05:51:34,747 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-08-19 05:51:34,747 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point L362(lines 339 363) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2020-08-19 05:51:34,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2020-08-19 05:51:34,749 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-19 05:51:34,749 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-08-19 05:51:34,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2020-08-19 05:51:34,749 INFO L268 CegarLoopResult]: For program point L403(lines 403 407) no Hoare annotation was computed. [2020-08-19 05:51:34,749 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2020-08-19 05:51:34,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2020-08-19 05:51:34,750 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-19 05:51:34,750 INFO L268 CegarLoopResult]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2020-08-19 05:51:34,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2020-08-19 05:51:34,750 INFO L268 CegarLoopResult]: For program point L423(lines 396 424) no Hoare annotation was computed. [2020-08-19 05:51:34,751 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2020-08-19 05:51:34,751 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2020-08-19 05:51:34,751 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-19 05:51:34,751 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2020-08-19 05:51:34,751 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-19 05:51:34,751 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 05:51:34,751 INFO L268 CegarLoopResult]: For program point L641-1(line 641) no Hoare annotation was computed. [2020-08-19 05:51:34,752 INFO L268 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-08-19 05:51:34,752 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2020-08-19 05:51:34,752 INFO L268 CegarLoopResult]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2020-08-19 05:51:34,752 INFO L271 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: true [2020-08-19 05:51:34,752 INFO L268 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-08-19 05:51:34,752 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2020-08-19 05:51:34,752 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 05:51:34,752 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-08-19 05:51:34,753 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,753 INFO L264 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,753 INFO L264 CegarLoopResult]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,753 INFO L268 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2020-08-19 05:51:34,753 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2020-08-19 05:51:34,753 INFO L268 CegarLoopResult]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2020-08-19 05:51:34,754 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-08-19 05:51:34,754 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,754 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,754 INFO L264 CegarLoopResult]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,754 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-08-19 05:51:34,755 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-19 05:51:34,756 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 05:51:34,757 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:51:34,757 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-08-19 05:51:34,757 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2020-08-19 05:51:34,758 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2020-08-19 05:51:34,759 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2020-08-19 05:51:34,760 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-08-19 05:51:34,760 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-08-19 05:51:34,760 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-08-19 05:51:34,760 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-19 05:51:34,760 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-19 05:51:34,760 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-08-19 05:51:34,760 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-08-19 05:51:34,760 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-08-19 05:51:34,761 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-08-19 05:51:34,761 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:51:34,761 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-08-19 05:51:34,761 INFO L268 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2020-08-19 05:51:34,761 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2020-08-19 05:51:34,761 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:51:34,762 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:51:34,762 INFO L268 CegarLoopResult]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2020-08-19 05:51:34,762 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:51:34,762 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:51:34,762 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2020-08-19 05:51:34,762 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2020-08-19 05:51:34,762 INFO L268 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-08-19 05:51:34,763 INFO L264 CegarLoopResult]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,763 INFO L264 CegarLoopResult]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,763 INFO L268 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2020-08-19 05:51:34,763 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,763 INFO L268 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2020-08-19 05:51:34,763 INFO L268 CegarLoopResult]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2020-08-19 05:51:34,764 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,764 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-08-19 05:51:34,764 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-08-19 05:51:34,764 INFO L264 CegarLoopResult]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,764 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,764 INFO L268 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2020-08-19 05:51:34,765 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2020-08-19 05:51:34,765 INFO L268 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-08-19 05:51:34,765 INFO L264 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:51:34,765 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 05:51:34,765 INFO L268 CegarLoopResult]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2020-08-19 05:51:34,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2020-08-19 05:51:34,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point L556(lines 556 563) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point L550(lines 550 570) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-19 05:51:34,766 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point L479(lines 479 520) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-08-19 05:51:34,767 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L521(lines 521 532) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L503(lines 481 504) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L462(lines 462 478) no Hoare annotation was computed. [2020-08-19 05:51:34,768 INFO L268 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-08-19 05:51:34,769 INFO L268 CegarLoopResult]: For program point L483(lines 482 502) no Hoare annotation was computed. [2020-08-19 05:51:34,769 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-19 05:51:34,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,769 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |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~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-19 05:51:34,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-19 05:51:34,770 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-19 05:51:34,770 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-19 05:51:34,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-19 05:51:34,772 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-19 05:51:34,772 INFO L268 CegarLoopResult]: For program point L668(lines 667 686) no Hoare annotation was computed. [2020-08-19 05:51:34,772 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-19 05:51:34,772 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2020-08-19 05:51:34,772 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2020-08-19 05:51:34,772 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 05:51:34,772 INFO L264 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-19 05:51:34,773 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2020-08-19 05:51:34,773 INFO L271 CegarLoopResult]: At program point L191(lines 166 195) the Hoare annotation is: true [2020-08-19 05:51:34,773 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2020-08-19 05:51:34,773 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 05:51:34,773 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-19 05:51:34,773 INFO L271 CegarLoopResult]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2020-08-19 05:51:34,773 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-19 05:51:34,773 INFO L271 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2020-08-19 05:51:34,774 INFO L271 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: true [2020-08-19 05:51:34,774 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-08-19 05:51:34,774 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-19 05:51:34,774 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-19 05:51:34,774 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-19 05:51:34,774 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2020-08-19 05:51:34,774 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2020-08-19 05:51:34,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,775 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-19 05:51:34,775 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 05:51:34,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:51:34,775 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-19 05:51:34,775 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:51:34,775 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-19 05:51:34,775 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-19 05:51:34,776 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-19 05:51:34,776 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 05:51:34,776 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2020-08-19 05:51:34,776 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-08-19 05:51:34,776 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2020-08-19 05:51:34,776 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2020-08-19 05:51:34,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 05:51:34 BoogieIcfgContainer [2020-08-19 05:51:34,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 05:51:34,795 INFO L168 Benchmark]: Toolchain (without parser) took 31641.43 ms. Allocated memory was 142.1 MB in the beginning and 687.3 MB in the end (delta: 545.3 MB). Free memory was 103.9 MB in the beginning and 554.5 MB in the end (delta: -450.6 MB). Peak memory consumption was 534.5 MB. Max. memory is 7.1 GB. [2020-08-19 05:51:34,796 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 05:51:34,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.24 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 103.7 MB in the beginning and 172.6 MB in the end (delta: -69.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-08-19 05:51:34,797 INFO L168 Benchmark]: Boogie Preprocessor took 100.34 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-19 05:51:34,798 INFO L168 Benchmark]: RCFGBuilder took 1052.12 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 168.0 MB in the beginning and 191.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2020-08-19 05:51:34,799 INFO L168 Benchmark]: TraceAbstraction took 29884.91 ms. Allocated memory was 233.3 MB in the beginning and 687.3 MB in the end (delta: 454.0 MB). Free memory was 191.1 MB in the beginning and 554.5 MB in the end (delta: -363.4 MB). Peak memory consumption was 530.5 MB. Max. memory is 7.1 GB. [2020-08-19 05:51:34,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 599.24 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 103.7 MB in the beginning and 172.6 MB in the end (delta: -69.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.34 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1052.12 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 168.0 MB in the beginning and 191.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29884.91 ms. Allocated memory was 233.3 MB in the beginning and 687.3 MB in the end (delta: 454.0 MB). Free memory was 191.1 MB in the beginning and 554.5 MB in the end (delta: -363.4 MB). Peak memory consumption was 530.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 1292 SDslu, 588 SDs, 0 SdLazy, 2873 SolverSat, 934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 176455 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 19317 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 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...