/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:56:23,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:56:23,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:56:23,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:56:23,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:56:23,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:56:23,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:56:23,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:56:23,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:56:23,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:56:23,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:56:23,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:56:23,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:56:23,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:56:23,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:56:23,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:56:23,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:56:23,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:56:23,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:56:23,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:56:23,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:56:23,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:56:23,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:56:23,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:56:23,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:56:23,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:56:23,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:56:23,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:56:23,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:56:23,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:56:23,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:56:23,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:56:23,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:56:23,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:56:23,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:56:23,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:56:23,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:56:23,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:56:23,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:56:23,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:56:23,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:56:23,554 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 [2020-08-18 11:56:23,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:56:23,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:56:23,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:56:23,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:56:23,609 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:56:23,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:56:23,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:56:23,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:56:23,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:56:23,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:56:23,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:56:23,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:56:23,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:56:23,611 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:56:23,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:56:23,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:56:23,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:56:23,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:56:23,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:56:23,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:56:23,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:56:23,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:23,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:56:23,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:56:23,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:56:23,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:56:23,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:56:23,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:56:23,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:56:23,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:56:23,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:56:23,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:56:23,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:56:23,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:56:23,976 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:56:23,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-08-18 11:56:24,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df23f9b66/6653d32606554231a9443c8567411fdc/FLAG4e98584c2 [2020-08-18 11:56:24,558 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:56:24,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-08-18 11:56:24,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df23f9b66/6653d32606554231a9443c8567411fdc/FLAG4e98584c2 [2020-08-18 11:56:24,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df23f9b66/6653d32606554231a9443c8567411fdc [2020-08-18 11:56:24,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:56:24,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:56:24,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:24,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:56:24,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:56:24,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:24" (1/1) ... [2020-08-18 11:56:24,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3210105d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:24, skipping insertion in model container [2020-08-18 11:56:24,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:24" (1/1) ... [2020-08-18 11:56:24,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:56:24,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:56:25,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:25,460 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:56:25,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:25,570 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:56:25,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25 WrapperNode [2020-08-18 11:56:25,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:25,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:56:25,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:56:25,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:56:25,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (1/1) ... [2020-08-18 11:56:25,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:56:25,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:56:25,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:56:25,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:56:25,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (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 [2020-08-18 11:56:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:56:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:56:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:56:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:56:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:56:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:56:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:56:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:56:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:56:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:56:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:56:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:56:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:56:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:56:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:56:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 11:56:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:56:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:56:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 11:56:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:56:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:56:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:56:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 11:56:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 11:56:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:56:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:56:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:56:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:56:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:56:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:56:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:56:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:56:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:56:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:56:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:56:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:56:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:56:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:56:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:56:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:56:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:56:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:56:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:56:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:56:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:56:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:56:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:56:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:56:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:56:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:56:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:56:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:56:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:56:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:56:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:56:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:56:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:56:27,009 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:56:27,010 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:56:27,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:27 BoogieIcfgContainer [2020-08-18 11:56:27,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:56:27,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:56:27,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:56:27,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:56:27,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:56:24" (1/3) ... [2020-08-18 11:56:27,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ba72c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:27, skipping insertion in model container [2020-08-18 11:56:27,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:25" (2/3) ... [2020-08-18 11:56:27,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ba72c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:27, skipping insertion in model container [2020-08-18 11:56:27,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:27" (3/3) ... [2020-08-18 11:56:27,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2020-08-18 11:56:27,035 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:56:27,043 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:56:27,057 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:56:27,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:56:27,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:56:27,082 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:56:27,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:56:27,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:56:27,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:56:27,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:56:27,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:56:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-08-18 11:56:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:56:27,114 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:27,115 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] [2020-08-18 11:56:27,116 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:27,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:27,122 INFO L82 PathProgramCache]: Analyzing trace with hash -45404099, now seen corresponding path program 1 times [2020-08-18 11:56:27,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:27,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711791566] [2020-08-18 11:56:27,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,751 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:27,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:56:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:27,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711791566] [2020-08-18 11:56:27,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:27,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:56:27,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367932794] [2020-08-18 11:56:27,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:56:27,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:27,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:56:27,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:27,883 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-08-18 11:56:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:29,027 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2020-08-18 11:56:29,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 11:56:29,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 11:56:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:29,044 INFO L225 Difference]: With dead ends: 288 [2020-08-18 11:56:29,044 INFO L226 Difference]: Without dead ends: 161 [2020-08-18 11:56:29,049 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 [2020-08-18 11:56:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-08-18 11:56:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-08-18 11:56:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-08-18 11:56:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-08-18 11:56:29,149 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-08-18 11:56:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:29,149 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-08-18 11:56:29,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:56:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-08-18 11:56:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 11:56:29,153 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:29,154 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] [2020-08-18 11:56:29,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:56:29,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash 686467527, now seen corresponding path program 1 times [2020-08-18 11:56:29,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:29,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186132321] [2020-08-18 11:56:29,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,623 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:29,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:56:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:29,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186132321] [2020-08-18 11:56:29,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:29,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:56:29,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650696692] [2020-08-18 11:56:29,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:56:29,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:29,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:56:29,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:56:29,723 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-08-18 11:56:30,165 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:31,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:31,019 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2020-08-18 11:56:31,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:56:31,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 11:56:31,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:31,023 INFO L225 Difference]: With dead ends: 229 [2020-08-18 11:56:31,023 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 11:56:31,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:56:31,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 11:56:31,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 11:56:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 11:56:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 11:56:31,065 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-08-18 11:56:31,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:31,065 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 11:56:31,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:56:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 11:56:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 11:56:31,068 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:31,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:31,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:56:31,069 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:31,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1825011612, now seen corresponding path program 1 times [2020-08-18 11:56:31,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:31,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396506984] [2020-08-18 11:56:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,415 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 11:56:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:31,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396506984] [2020-08-18 11:56:31,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:31,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:31,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833584236] [2020-08-18 11:56:31,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:31,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:31,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:31,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:31,520 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-08-18 11:56:31,901 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:32,275 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,518 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,756 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:34,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:34,004 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2020-08-18 11:56:34,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:56:34,004 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 11:56:34,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:34,010 INFO L225 Difference]: With dead ends: 242 [2020-08-18 11:56:34,010 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 11:56:34,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:56:34,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 11:56:34,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 11:56:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 11:56:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-08-18 11:56:34,051 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2020-08-18 11:56:34,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:34,051 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-08-18 11:56:34,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-08-18 11:56:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-18 11:56:34,054 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:34,054 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, 1, 1] [2020-08-18 11:56:34,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:56:34,055 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash -259302488, now seen corresponding path program 1 times [2020-08-18 11:56:34,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:34,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059386007] [2020-08-18 11:56:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,411 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 11:56:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 11:56:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 11:56:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:34,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059386007] [2020-08-18 11:56:34,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:34,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:34,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481259155] [2020-08-18 11:56:34,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:34,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:34,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:34,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:34,507 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2020-08-18 11:56:34,903 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:35,833 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:36,249 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:37,080 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:37,345 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:38,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:38,153 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2020-08-18 11:56:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 11:56:38,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-18 11:56:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:38,158 INFO L225 Difference]: With dead ends: 373 [2020-08-18 11:56:38,159 INFO L226 Difference]: Without dead ends: 282 [2020-08-18 11:56:38,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:56:38,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-08-18 11:56:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2020-08-18 11:56:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-08-18 11:56:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2020-08-18 11:56:38,215 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2020-08-18 11:56:38,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:38,216 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2020-08-18 11:56:38,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2020-08-18 11:56:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-08-18 11:56:38,219 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:38,219 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, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:38,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:56:38,219 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:38,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:38,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1300181308, now seen corresponding path program 1 times [2020-08-18 11:56:38,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:38,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785033961] [2020-08-18 11:56:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,558 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 11:56:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 11:56:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 11:56:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 11:56:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:38,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785033961] [2020-08-18 11:56:38,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:38,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 11:56:38,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643776044] [2020-08-18 11:56:38,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:56:38,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:38,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:56:38,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:56:38,717 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2020-08-18 11:56:39,163 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:40,117 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:40,459 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:40,705 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:40,975 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2020-08-18 11:56:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:56:40,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-08-18 11:56:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:40,978 INFO L225 Difference]: With dead ends: 349 [2020-08-18 11:56:40,978 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:56:40,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 11:56:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:56:40,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:56:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:56:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:56:40,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-08-18 11:56:40,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:40,981 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:56:40,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:56:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:56:40,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:56:40,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:56:40,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:56:41,261 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-18 11:56:43,300 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:43,468 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:43,720 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:56:43,890 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 11:56:44,216 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:44,389 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:44,702 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:45,011 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-18 11:56:45,216 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:45,561 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:45,892 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:46,217 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 11:56:46,545 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:46,716 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:47,038 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:47,247 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:47,454 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:47,769 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:47,935 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 11:56:48,210 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:48,536 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:48,705 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:56:48,952 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:49,123 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:49,426 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:49,430 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 11:56:49,430 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 11:56:49,431 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 11:56:49,431 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 11:56:49,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 11:56:49,431 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 11:56:49,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 11:56:49,432 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-08-18 11:56:49,433 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-18 11:56:49,434 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-08-18 11:56:49,434 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-18 11:56:49,434 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,434 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-08-18 11:56:49,434 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:49,434 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:49,435 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-08-18 11:56:49,435 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-08-18 11:56:49,435 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 11:56:49,435 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,435 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,436 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 11:56:49,436 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 11:56:49,437 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 11:56:49,438 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,438 INFO L268 CegarLoopResult]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2020-08-18 11:56:49,438 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,438 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,438 INFO L268 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-08-18 11:56:49,438 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,438 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-08-18 11:56:49,438 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,438 INFO L268 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-08-18 11:56:49,438 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2020-08-18 11:56:49,439 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L268 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L271 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: true [2020-08-18 11:56:49,439 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-08-18 11:56:49,439 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point L859(lines 859 867) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point L859-2(lines 859 867) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-08-18 11:56:49,440 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 852 887) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point L871(lines 871 879) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 852 887) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point L871-2(lines 871 879) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 852 887) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 11:56:49,441 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 11:56:49,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 11:56:49,443 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,443 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-08-18 11:56:49,443 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-08-18 11:56:49,443 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 11:56:49,443 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2020-08-18 11:56:49,443 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2020-08-18 11:56:49,443 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2020-08-18 11:56:49,444 INFO L271 CegarLoopResult]: At program point L837(line 837) the Hoare annotation is: true [2020-08-18 11:56:49,444 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-08-18 11:56:49,444 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2020-08-18 11:56:49,444 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2020-08-18 11:56:49,444 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2020-08-18 11:56:49,444 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,444 INFO L268 CegarLoopResult]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2020-08-18 11:56:49,444 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2020-08-18 11:56:49,445 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,445 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,445 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,445 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-08-18 11:56:49,445 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,445 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-18 11:56:49,445 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-08-18 11:56:49,446 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2020-08-18 11:56:49,446 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2020-08-18 11:56:49,446 INFO L264 CegarLoopResult]: At program point testENTRY(lines 642 707) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,446 INFO L264 CegarLoopResult]: At program point L700(lines 651 701) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,446 INFO L268 CegarLoopResult]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2020-08-18 11:56:49,446 INFO L268 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-08-18 11:56:49,447 INFO L264 CegarLoopResult]: At program point L690-2(lines 682 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,447 INFO L268 CegarLoopResult]: For program point L653(lines 652 699) no Hoare annotation was computed. [2020-08-18 11:56:49,447 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,447 INFO L268 CegarLoopResult]: For program point L682(lines 682 695) no Hoare annotation was computed. [2020-08-18 11:56:49,447 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,447 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-08-18 11:56:49,447 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2020-08-18 11:56:49,448 INFO L264 CegarLoopResult]: At program point L697(lines 652 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,448 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:49,448 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-08-18 11:56:49,448 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-08-18 11:56:49,448 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-08-18 11:56:49,448 INFO L268 CegarLoopResult]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2020-08-18 11:56:49,448 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 799 806) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 799 806) no Hoare annotation was computed. [2020-08-18 11:56:49,449 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 799 806) no Hoare annotation was computed. [2020-08-18 11:56:49,450 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2020-08-18 11:56:49,450 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2020-08-18 11:56:49,450 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2020-08-18 11:56:49,450 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:49,450 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-08-18 11:56:49,450 INFO L268 CegarLoopResult]: For program point L946(lines 946 956) no Hoare annotation was computed. [2020-08-18 11:56:49,450 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 934 962) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:49,451 INFO L264 CegarLoopResult]: At program point L944(line 944) 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))) [2020-08-18 11:56:49,451 INFO L268 CegarLoopResult]: For program point L944-1(line 944) no Hoare annotation was computed. [2020-08-18 11:56:49,451 INFO L268 CegarLoopResult]: For program point L942(lines 942 959) no Hoare annotation was computed. [2020-08-18 11:56:49,451 INFO L268 CegarLoopResult]: For program point L942-1(lines 934 962) no Hoare annotation was computed. [2020-08-18 11:56:49,451 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:49,451 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-08-18 11:56:49,451 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 934 962) no Hoare annotation was computed. [2020-08-18 11:56:49,451 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 926 933) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 926 933) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 926 933) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point L607(lines 607 615) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point L607-2(lines 607 615) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 599 621) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 599 621) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 599 621) no Hoare annotation was computed. [2020-08-18 11:56:49,452 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 11:56:49,453 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 11:56:49,454 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 11:56:49,455 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-08-18 11:56:49,455 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-08-18 11:56:49,455 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-08-18 11:56:49,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,455 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.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~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 11:56:49,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point L818-1(lines 807 823) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 807 823) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 807 823) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 622 630) no Hoare annotation was computed. [2020-08-18 11:56:49,456 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 622 630) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 622 630) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-08-18 11:56:49,457 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-08-18 11:56:49,458 INFO L264 CegarLoopResult]: At program point L729(line 729) 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))) [2020-08-18 11:56:49,458 INFO L264 CegarLoopResult]: At program point L727(lines 727 733) 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))) [2020-08-18 11:56:49,458 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:49,458 INFO L268 CegarLoopResult]: For program point L720(lines 719 738) no Hoare annotation was computed. [2020-08-18 11:56:49,458 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 716 739) 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))) [2020-08-18 11:56:49,458 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2020-08-18 11:56:49,459 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2020-08-18 11:56:49,459 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-08-18 11:56:49,459 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-08-18 11:56:49,459 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-08-18 11:56:49,459 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 11:56:49,459 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-08-18 11:56:49,459 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-08-18 11:56:49,459 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 11:56:49,460 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-08-18 11:56:49,460 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-08-18 11:56:49,460 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-18 11:56:49,460 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2020-08-18 11:56:49,460 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2020-08-18 11:56:49,460 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2020-08-18 11:56:49,460 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2020-08-18 11:56:49,460 INFO L268 CegarLoopResult]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2020-08-18 11:56:49,461 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2020-08-18 11:56:49,461 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-08-18 11:56:49,461 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-08-18 11:56:49,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,461 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 11:56:49,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:56:49,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:49,461 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 907 914) no Hoare annotation was computed. [2020-08-18 11:56:49,462 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 907 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 11:56:49,462 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 907 914) no Hoare annotation was computed. [2020-08-18 11:56:49,462 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2020-08-18 11:56:49,462 INFO L268 CegarLoopResult]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2020-08-18 11:56:49,462 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:49,462 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 916 923) no Hoare annotation was computed. [2020-08-18 11:56:49,462 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2020-08-18 11:56:49,463 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 916 923) the Hoare annotation is: true [2020-08-18 11:56:49,463 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 916 923) no Hoare annotation was computed. [2020-08-18 11:56:49,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:49 BoogieIcfgContainer [2020-08-18 11:56:49,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:56:49,482 INFO L168 Benchmark]: Toolchain (without parser) took 24589.97 ms. Allocated memory was 147.8 MB in the beginning and 604.5 MB in the end (delta: 456.7 MB). Free memory was 103.0 MB in the beginning and 197.5 MB in the end (delta: -94.4 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:49,483 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 11:56:49,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.29 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 170.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:49,485 INFO L168 Benchmark]: Boogie Preprocessor took 95.24 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:49,486 INFO L168 Benchmark]: RCFGBuilder took 1348.61 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 193.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:49,487 INFO L168 Benchmark]: TraceAbstraction took 22462.88 ms. Allocated memory was 237.0 MB in the beginning and 604.5 MB in the end (delta: 367.5 MB). Free memory was 193.2 MB in the beginning and 197.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 476.8 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:49,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.29 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 170.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.24 ms. Allocated memory is still 203.9 MB. Free memory was 170.4 MB in the beginning and 166.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1348.61 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 193.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22462.88 ms. Allocated memory was 237.0 MB in the beginning and 604.5 MB in the end (delta: 367.5 MB). Free memory was 193.2 MB in the beginning and 197.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 476.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: 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: 652]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 509 SDtfs, 840 SDslu, 427 SDs, 0 SdLazy, 2116 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 886 HoareAnnotationTreeSize, 352 FomulaSimplifications, 108587 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 10359 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 90515 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...