/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:50:03,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:50:03,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:50:03,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:50:03,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:50:03,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:50:03,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:50:03,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:50:03,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:50:03,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:50:03,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:50:03,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:50:03,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:50:03,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:50:03,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:50:03,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:50:03,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:50:03,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:50:03,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:50:03,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:50:03,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:50:03,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:50:03,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:50:03,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:50:03,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:50:03,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:50:03,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:50:03,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:50:03,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:50:03,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:50:03,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:50:03,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:50:03,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:50:03,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:50:03,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:50:03,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:50:03,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:50:03,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:50:03,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:50:03,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:50:03,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:50:03,572 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 [2020-08-22 02:50:03,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:50:03,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:50:03,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:50:03,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:50:03,620 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:50:03,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:50:03,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:50:03,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:50:03,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:50:03,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:50:03,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:50:03,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:50:03,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:50:03,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:50:03,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:50:03,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:50:03,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:50:03,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:50:03,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:50:03,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:50:03,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:50:03,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:50:03,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:50:03,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:50:03,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:50:03,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:50:03,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:50:03,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:50:03,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:50:03,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:50:03,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:50:03,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:50:03,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:50:03,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:50:03,949 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:50:03,949 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-22 02:50:04,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b566bb38/5523ef3322394ca0b5a47c2f9f9ccfeb/FLAG35ca00887 [2020-08-22 02:50:04,573 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:50:04,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-22 02:50:04,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b566bb38/5523ef3322394ca0b5a47c2f9f9ccfeb/FLAG35ca00887 [2020-08-22 02:50:04,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b566bb38/5523ef3322394ca0b5a47c2f9f9ccfeb [2020-08-22 02:50:04,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:50:04,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:50:04,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:50:04,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:50:04,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:50:04,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:50:04" (1/1) ... [2020-08-22 02:50:04,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16606ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:04, skipping insertion in model container [2020-08-22 02:50:04,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:50:04" (1/1) ... [2020-08-22 02:50:04,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:50:04,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:50:05,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:50:05,445 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:50:05,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:50:05,577 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:50:05,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05 WrapperNode [2020-08-22 02:50:05,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:50:05,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:50:05,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:50:05,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:50:05,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (1/1) ... [2020-08-22 02:50:05,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:50:05,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:50:05,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:50:05,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:50:05,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (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 [2020-08-22 02:50:05,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:50:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:50:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:50:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:50:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:50:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:50:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:50:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:50:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:50:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:50:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:50:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:50:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:50:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:50:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:50:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:50:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 02:50:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:50:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:50:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:50:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:50:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:50:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 02:50:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:50:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:50:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:50:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:50:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:50:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:50:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 02:50:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:50:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:50:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:50:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:50:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:50:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:50:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:50:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:50:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:50:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:50:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:50:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:50:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:50:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:50:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:50:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:50:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:50:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:50:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:50:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:50:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:50:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:50:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:50:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:50:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:50:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:50:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 02:50:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 02:50:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:50:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:50:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:50:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:50:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:50:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:50:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:50:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:50:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:50:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:50:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:50:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:50:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:50:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:50:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:50:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:50:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:50:08,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:50:08,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:50:08,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:50:08 BoogieIcfgContainer [2020-08-22 02:50:08,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:50:08,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:50:08,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:50:08,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:50:08,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:50:04" (1/3) ... [2020-08-22 02:50:08,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba3ae5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:50:08, skipping insertion in model container [2020-08-22 02:50:08,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:50:05" (2/3) ... [2020-08-22 02:50:08,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba3ae5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:50:08, skipping insertion in model container [2020-08-22 02:50:08,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:50:08" (3/3) ... [2020-08-22 02:50:08,884 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-08-22 02:50:08,895 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:50:08,903 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:50:08,917 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:50:08,941 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:50:08,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:50:08,942 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:50:08,942 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:50:08,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:50:08,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:50:08,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:50:08,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:50:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-22 02:50:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 02:50:08,974 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:08,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:08,975 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:08,981 INFO L82 PathProgramCache]: Analyzing trace with hash 360322955, now seen corresponding path program 1 times [2020-08-22 02:50:08,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:08,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130180143] [2020-08-22 02:50:08,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,644 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:50:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:50:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:09,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130180143] [2020-08-22 02:50:09,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:09,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:50:09,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415594788] [2020-08-22 02:50:09,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:50:09,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:09,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:50:09,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:50:09,846 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-08-22 02:50:10,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:10,827 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-08-22 02:50:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:50:10,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 02:50:10,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:10,843 INFO L225 Difference]: With dead ends: 246 [2020-08-22 02:50:10,844 INFO L226 Difference]: Without dead ends: 138 [2020-08-22 02:50:10,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:50:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-22 02:50:10,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-08-22 02:50:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-22 02:50:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-08-22 02:50:10,954 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-08-22 02:50:10,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:10,955 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-08-22 02:50:10,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:50:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-08-22 02:50:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:50:10,960 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:10,961 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] [2020-08-22 02:50:10,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:50:10,961 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:10,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:10,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1474642768, now seen corresponding path program 1 times [2020-08-22 02:50:10,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:10,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031729127] [2020-08-22 02:50:10,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,315 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:50:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:11,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031729127] [2020-08-22 02:50:11,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:11,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 02:50:11,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5532699] [2020-08-22 02:50:11,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:50:11,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:11,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:50:11,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:50:11,421 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-08-22 02:50:11,902 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:50:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:12,488 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-08-22 02:50:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:50:12,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 02:50:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:12,491 INFO L225 Difference]: With dead ends: 191 [2020-08-22 02:50:12,491 INFO L226 Difference]: Without dead ends: 128 [2020-08-22 02:50:12,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:50:12,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-22 02:50:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-22 02:50:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 02:50:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-08-22 02:50:12,524 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-08-22 02:50:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:12,525 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-08-22 02:50:12,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:50:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-08-22 02:50:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 02:50:12,527 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:12,527 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] [2020-08-22 02:50:12,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:50:12,528 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:12,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:12,528 INFO L82 PathProgramCache]: Analyzing trace with hash -282288247, now seen corresponding path program 1 times [2020-08-22 02:50:12,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:12,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617903404] [2020-08-22 02:50:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,849 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:50:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:50:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:12,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617903404] [2020-08-22 02:50:12,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:12,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:12,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815884865] [2020-08-22 02:50:12,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:12,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:12,949 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2020-08-22 02:50:13,405 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:13,690 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:13,967 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:14,191 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:15,107 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-08-22 02:50:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:50:15,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 02:50:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:15,119 INFO L225 Difference]: With dead ends: 200 [2020-08-22 02:50:15,119 INFO L226 Difference]: Without dead ends: 128 [2020-08-22 02:50:15,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:50:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-22 02:50:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-22 02:50:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 02:50:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-08-22 02:50:15,152 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-08-22 02:50:15,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:15,152 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-08-22 02:50:15,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-08-22 02:50:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 02:50:15,154 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:15,154 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, 1, 1, 1] [2020-08-22 02:50:15,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:50:15,155 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:15,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:15,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1883415514, now seen corresponding path program 1 times [2020-08-22 02:50:15,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:15,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360279913] [2020-08-22 02:50:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,443 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:50:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 02:50:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 02:50:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:15,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360279913] [2020-08-22 02:50:15,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:15,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:15,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924252073] [2020-08-22 02:50:15,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:15,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:15,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:15,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:15,570 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-08-22 02:50:16,084 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:17,145 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:17,470 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:17,735 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:18,023 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:18,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:18,858 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2020-08-22 02:50:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 02:50:18,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 02:50:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:18,863 INFO L225 Difference]: With dead ends: 307 [2020-08-22 02:50:18,863 INFO L226 Difference]: Without dead ends: 235 [2020-08-22 02:50:18,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 02:50:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-08-22 02:50:18,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2020-08-22 02:50:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-22 02:50:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2020-08-22 02:50:18,912 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2020-08-22 02:50:18,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:18,912 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2020-08-22 02:50:18,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2020-08-22 02:50:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-22 02:50:18,915 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:18,915 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, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:18,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:50:18,915 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:18,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:18,916 INFO L82 PathProgramCache]: Analyzing trace with hash 515534978, now seen corresponding path program 1 times [2020-08-22 02:50:18,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:18,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507996687] [2020-08-22 02:50:18,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,215 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:19,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 02:50:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 02:50:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 02:50:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:19,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507996687] [2020-08-22 02:50:19,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:19,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 02:50:19,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769923754] [2020-08-22 02:50:19,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:50:19,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:19,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:50:19,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:50:19,364 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2020-08-22 02:50:19,847 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:20,715 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:20,986 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:21,267 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:21,484 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2020-08-22 02:50:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:50:21,487 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-22 02:50:21,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:21,488 INFO L225 Difference]: With dead ends: 289 [2020-08-22 02:50:21,488 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:50:21,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 02:50:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:50:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:50:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:50:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:50:21,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-22 02:50:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:21,492 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:50:21,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:50:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:50:21,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:50:21,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:50:21,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:50:22,003 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-22 02:50:23,698 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:23,895 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:24,065 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:24,384 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:24,682 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:24,843 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:25,055 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:25,368 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:25,668 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:25,968 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 02:50:26,304 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:26,503 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:26,817 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:26,979 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:27,169 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 02:50:27,339 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:27,501 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:27,815 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:28,001 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:28,163 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:28,438 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 02:50:28,755 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:28,760 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-08-22 02:50:28,760 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 660) no Hoare annotation was computed. [2020-08-22 02:50:28,760 INFO L268 CegarLoopResult]: For program point L661(lines 638 662) no Hoare annotation was computed. [2020-08-22 02:50:28,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 614 669) no Hoare annotation was computed. [2020-08-22 02:50:28,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 614 669) no Hoare annotation was computed. [2020-08-22 02:50:28,761 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-08-22 02:50:28,761 INFO L268 CegarLoopResult]: For program point L645-1(lines 645 649) no Hoare annotation was computed. [2020-08-22 02:50:28,761 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 614 669) no Hoare annotation was computed. [2020-08-22 02:50:28,761 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 706) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 721) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 670 729) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point L722(lines 695 723) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 670 729) no Hoare annotation was computed. [2020-08-22 02:50:28,762 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-08-22 02:50:28,763 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-08-22 02:50:28,763 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 670 729) no Hoare annotation was computed. [2020-08-22 02:50:28,763 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2020-08-22 02:50:28,763 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2020-08-22 02:50:28,763 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2020-08-22 02:50:28,763 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2020-08-22 02:50:28,764 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2020-08-22 02:50:28,764 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,764 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,764 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,765 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,765 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-22 02:50:28,765 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-22 02:50:28,765 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,765 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-22 02:50:28,766 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 02:50:28,767 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2020-08-22 02:50:28,768 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2020-08-22 02:50:28,768 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 359 367) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 404 422) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 368 403) no Hoare annotation was computed. [2020-08-22 02:50:28,769 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 368 403) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 368 403) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 568 613) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 568 613) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 568 613) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point L895(lines 895 915) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 915) no Hoare annotation was computed. [2020-08-22 02:50:28,770 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 881 926) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 881 926) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 881 926) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,771 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-08-22 02:50:28,771 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 348 358) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 348 358) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 348 358) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 340 347) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2020-08-22 02:50:28,772 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,773 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,773 INFO L268 CegarLoopResult]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2020-08-22 02:50:28,773 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,773 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,773 INFO L268 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-08-22 02:50:28,773 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,774 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-22 02:50:28,774 INFO L268 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2020-08-22 02:50:28,774 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2020-08-22 02:50:28,774 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2020-08-22 02:50:28,774 INFO L264 CegarLoopResult]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:28,774 INFO L268 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2020-08-22 02:50:28,774 INFO L264 CegarLoopResult]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,774 INFO L268 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:28,775 INFO L264 CegarLoopResult]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2020-08-22 02:50:28,775 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L264 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 835 880) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 835 880) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point L849(lines 849 869) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 835 880) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 869) no Hoare annotation was computed. [2020-08-22 02:50:28,776 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 314 321) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 314 321) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 314 321) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 504 512) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-08-22 02:50:28,777 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 02:50:28,777 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-08-22 02:50:28,778 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-08-22 02:50:28,778 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-08-22 02:50:28,778 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:28,778 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-22 02:50:28,778 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:28,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-08-22 02:50:28,778 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:28,778 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 472 494) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 472 494) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 472 494) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2020-08-22 02:50:28,779 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 732 834) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L820(lines 820 831) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L781-2(lines 781 801) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 732 834) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L802(lines 780 803) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L761(lines 761 777) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-08-22 02:50:28,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 732 834) no Hoare annotation was computed. [2020-08-22 02:50:28,781 INFO L268 CegarLoopResult]: For program point L782(lines 781 801) no Hoare annotation was computed. [2020-08-22 02:50:28,781 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-22 02:50:28,781 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-22 02:50:28,781 INFO L268 CegarLoopResult]: For program point L778(lines 778 819) no Hoare annotation was computed. [2020-08-22 02:50:28,781 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,782 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:50:28,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,782 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-08-22 02:50:28,782 INFO L268 CegarLoopResult]: For program point L334-1(lines 323 339) no Hoare annotation was computed. [2020-08-22 02:50:28,782 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 323 339) no Hoare annotation was computed. [2020-08-22 02:50:28,782 INFO L268 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 323 339) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 495 503) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 495 503) no Hoare annotation was computed. [2020-08-22 02:50:28,783 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 495 503) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 02:50:28,784 INFO L268 CegarLoopResult]: For program point L455-1(lines 451 462) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,784 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,785 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,785 INFO L264 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,785 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2020-08-22 02:50:28,785 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:28,785 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2020-08-22 02:50:28,785 INFO L268 CegarLoopResult]: For program point L261(lines 260 279) no Hoare annotation was computed. [2020-08-22 02:50:28,786 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-22 02:50:28,786 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-22 02:50:28,786 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-22 02:50:28,786 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 02:50:28,786 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-22 02:50:28,786 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-22 02:50:28,786 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-22 02:50:28,787 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-22 02:50:28,787 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-22 02:50:28,787 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-22 02:50:28,787 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2020-08-22 02:50:28,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 463 471) no Hoare annotation was computed. [2020-08-22 02:50:28,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2020-08-22 02:50:28,788 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2020-08-22 02:50:28,788 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-22 02:50:28,788 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-22 02:50:28,788 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-22 02:50:28,788 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-22 02:50:28,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,788 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 02:50:28,789 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:50:28,789 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:28,789 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-22 02:50:28,789 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-22 02:50:28,789 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:28,789 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2020-08-22 02:50:28,790 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-08-22 02:50:28,790 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2020-08-22 02:50:28,790 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2020-08-22 02:50:28,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:50:28 BoogieIcfgContainer [2020-08-22 02:50:28,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:50:28,811 INFO L168 Benchmark]: Toolchain (without parser) took 23921.58 ms. Allocated memory was 140.5 MB in the beginning and 558.4 MB in the end (delta: 417.9 MB). Free memory was 102.8 MB in the beginning and 98.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 428.0 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:28,812 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:50:28,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.63 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 170.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:28,814 INFO L168 Benchmark]: Boogie Preprocessor took 86.37 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:28,815 INFO L168 Benchmark]: RCFGBuilder took 3210.18 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 194.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:28,816 INFO L168 Benchmark]: TraceAbstraction took 19932.19 ms. Allocated memory was 235.4 MB in the beginning and 558.4 MB in the end (delta: 323.0 MB). Free memory was 193.5 MB in the beginning and 98.5 MB in the end (delta: 95.0 MB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:28,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.63 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 170.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.37 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3210.18 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 194.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19932.19 ms. Allocated memory was 235.4 MB in the beginning and 558.4 MB in the end (delta: 323.0 MB). Free memory was 193.5 MB in the beginning and 98.5 MB in the end (delta: 95.0 MB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 424 SDtfs, 749 SDslu, 364 SDs, 0 SdLazy, 1680 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 759 HoareAnnotationTreeSize, 246 FomulaSimplifications, 90420 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 8518 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...