/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:26:00,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:26:00,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:26:00,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:26:00,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:26:00,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:26:00,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:26:00,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:26:00,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:26:00,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:26:00,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:26:00,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:26:00,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:26:00,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:26:00,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:26:00,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:26:00,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:26:00,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:26:00,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:26:00,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:26:00,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:26:00,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:26:00,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:26:00,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:26:00,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:26:00,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:26:00,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:26:00,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:26:00,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:26:00,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:26:00,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:26:00,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:26:00,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:26:00,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:26:00,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:26:00,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:26:00,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:26:00,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:26:00,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:26:00,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:26:00,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:26:00,552 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 23:26:00,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:26:00,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:26:00,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:26:00,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:26:00,596 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:26:00,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:26:00,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:26:00,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:26:00,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:26:00,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:26:00,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:26:00,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:26:00,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:26:00,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:26:00,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:26:00,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:26:00,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:26:00,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:26:00,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:26:00,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:26:00,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:26:00,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:26:00,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:26:00,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:26:00,602 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=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:26:00,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:26:00,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:26:00,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:26:00,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:26:00,902 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:26:00,903 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2020-08-18 23:26:00,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cef7fad27/08950867a6544f99be2ca2dbe396dbaf/FLAG9a11b8a1c [2020-08-18 23:26:01,475 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:26:01,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2020-08-18 23:26:01,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cef7fad27/08950867a6544f99be2ca2dbe396dbaf/FLAG9a11b8a1c [2020-08-18 23:26:01,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cef7fad27/08950867a6544f99be2ca2dbe396dbaf [2020-08-18 23:26:01,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:26:01,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:26:01,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:26:01,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:26:01,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:26:01,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:26:01" (1/1) ... [2020-08-18 23:26:01,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:01, skipping insertion in model container [2020-08-18 23:26:01,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:26:01" (1/1) ... [2020-08-18 23:26:01,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:26:01,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:26:02,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:26:02,387 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:26:02,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:26:02,503 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:26:02,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02 WrapperNode [2020-08-18 23:26:02,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:26:02,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:26:02,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:26:02,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:26:02,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (1/1) ... [2020-08-18 23:26:02,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:26:02,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:26:02,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:26:02,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:26:02,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (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 23:26:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:26:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:26:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 23:26:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 23:26:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 23:26:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 23:26:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 23:26:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 23:26:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 23:26:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 23:26:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 23:26:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 23:26:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 23:26:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 23:26:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 23:26:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 23:26:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 23:26:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 23:26:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 23:26:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 23:26:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 23:26:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 23:26:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 23:26:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:26:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 23:26:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 23:26:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 23:26:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 23:26:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 23:26:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 23:26:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 23:26:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 23:26:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:26:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:26:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 23:26:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 23:26:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 23:26:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 23:26:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 23:26:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 23:26:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 23:26:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 23:26:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 23:26:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 23:26:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 23:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 23:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 23:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 23:26:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 23:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 23:26:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-18 23:26:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 23:26:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 23:26:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 23:26:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 23:26:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:26:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 23:26:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:26:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:26:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 23:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:26:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:26:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:26:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:26:03,870 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:26:03,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 23:26:03,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:26:03 BoogieIcfgContainer [2020-08-18 23:26:03,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:26:03,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:26:03,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:26:03,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:26:03,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:26:01" (1/3) ... [2020-08-18 23:26:03,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b61e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:26:03, skipping insertion in model container [2020-08-18 23:26:03,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:26:02" (2/3) ... [2020-08-18 23:26:03,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b61e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:26:03, skipping insertion in model container [2020-08-18 23:26:03,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:26:03" (3/3) ... [2020-08-18 23:26:03,885 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2020-08-18 23:26:03,896 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:26:03,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:26:03,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:26:03,945 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:26:03,945 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:26:03,945 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:26:03,945 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:26:03,946 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:26:03,946 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:26:03,946 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:26:03,946 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:26:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-08-18 23:26:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 23:26:03,984 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:26:03,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:26:03,986 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:26:03,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:26:03,993 INFO L82 PathProgramCache]: Analyzing trace with hash 206816994, now seen corresponding path program 1 times [2020-08-18 23:26:04,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:26:04,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547554116] [2020-08-18 23:26:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:26:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,674 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:26:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:26:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:26:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:26:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:26:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:26:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:26:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 23:26:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 23:26:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 23:26:04,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547554116] [2020-08-18 23:26:04,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:26:04,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:26:04,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333729581] [2020-08-18 23:26:04,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:26:04,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:26:04,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:26:04,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:26:04,855 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-08-18 23:26:05,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:26:05,973 INFO L93 Difference]: Finished difference Result 306 states and 396 transitions. [2020-08-18 23:26:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 23:26:05,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-18 23:26:05,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:26:05,990 INFO L225 Difference]: With dead ends: 306 [2020-08-18 23:26:05,990 INFO L226 Difference]: Without dead ends: 169 [2020-08-18 23:26:05,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 23:26:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-08-18 23:26:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 138. [2020-08-18 23:26:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-08-18 23:26:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-08-18 23:26:06,109 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 59 [2020-08-18 23:26:06,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:26:06,109 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-08-18 23:26:06,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:26:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-08-18 23:26:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 23:26:06,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:26:06,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:26:06,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:26:06,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:26:06,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:26:06,123 INFO L82 PathProgramCache]: Analyzing trace with hash -733738644, now seen corresponding path program 1 times [2020-08-18 23:26:06,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:26:06,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846533258] [2020-08-18 23:26:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:26:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,634 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:26:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:26:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:26:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:26:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:26:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:26:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:26:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 23:26:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:26:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-18 23:26:06,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846533258] [2020-08-18 23:26:06,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:26:06,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 23:26:06,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453410218] [2020-08-18 23:26:06,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:26:06,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:26:06,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:26:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:26:06,741 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 9 states. [2020-08-18 23:26:07,163 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:26:07,499 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:07,745 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:07,980 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:09,062 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:26:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:26:10,819 INFO L93 Difference]: Finished difference Result 469 states and 593 transitions. [2020-08-18 23:26:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 23:26:10,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 23:26:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:26:10,833 INFO L225 Difference]: With dead ends: 469 [2020-08-18 23:26:10,834 INFO L226 Difference]: Without dead ends: 359 [2020-08-18 23:26:10,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:26:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-08-18 23:26:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 305. [2020-08-18 23:26:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-08-18 23:26:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2020-08-18 23:26:10,918 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 64 [2020-08-18 23:26:10,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:26:10,918 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2020-08-18 23:26:10,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:26:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2020-08-18 23:26:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-18 23:26:10,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:26:10,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:26:10,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:26:10,921 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:26:10,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:26:10,922 INFO L82 PathProgramCache]: Analyzing trace with hash -254396696, now seen corresponding path program 1 times [2020-08-18 23:26:10,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:26:10,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301862290] [2020-08-18 23:26:10,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:26:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,285 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:26:11,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:26:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:26:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:26:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:26:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:26:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:26:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:26:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:26:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:26:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 23:26:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:26:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 23:26:11,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301862290] [2020-08-18 23:26:11,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:26:11,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 23:26:11,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232723955] [2020-08-18 23:26:11,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:26:11,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:26:11,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:26:11,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:26:11,484 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand 9 states. [2020-08-18 23:26:11,894 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:26:12,513 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:13,355 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:13,602 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 23:26:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:26:13,777 INFO L93 Difference]: Finished difference Result 531 states and 700 transitions. [2020-08-18 23:26:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 23:26:13,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-18 23:26:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:26:13,779 INFO L225 Difference]: With dead ends: 531 [2020-08-18 23:26:13,779 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:26:13,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:26:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:26:13,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:26:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:26:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:26:13,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-08-18 23:26:13,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:26:13,783 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:26:13,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:26:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:26:13,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:26:13,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:26:13,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:26:15,770 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-18 23:26:15,944 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:26:16,126 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:16,329 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:26:16,495 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 23:26:16,819 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-18 23:26:17,025 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-18 23:26:17,191 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:26:17,373 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-18 23:26:17,627 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:26:17,940 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-18 23:26:18,108 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:26:18,431 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-18 23:26:18,606 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:26:18,948 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-18 23:26:19,265 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-18 23:26:19,593 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-18 23:26:19,920 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-18 23:26:20,131 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:20,287 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:20,477 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:20,628 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-18 23:26:20,789 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:20,977 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-18 23:26:21,285 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-18 23:26:21,616 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-08-18 23:26:21,921 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-18 23:26:21,936 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-08-18 23:26:21,937 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-08-18 23:26:21,938 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-08-18 23:26:21,939 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 968 974) the Hoare annotation is: true [2020-08-18 23:26:21,939 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 968 974) no Hoare annotation was computed. [2020-08-18 23:26:21,939 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 975 983) no Hoare annotation was computed. [2020-08-18 23:26:21,939 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 975 983) the Hoare annotation is: true [2020-08-18 23:26:21,939 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 975 983) no Hoare annotation was computed. [2020-08-18 23:26:21,940 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 902 909) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-18 23:26:21,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 902 909) no Hoare annotation was computed. [2020-08-18 23:26:21,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 902 909) no Hoare annotation was computed. [2020-08-18 23:26:21,940 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 910 919) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-08-18 23:26:21,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 910 919) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 910 919) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point L930-1(line 930) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point L928-1(lines 920 948) no Hoare annotation was computed. [2020-08-18 23:26:21,941 INFO L271 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: true [2020-08-18 23:26:21,941 INFO L268 CegarLoopResult]: For program point L926-1(line 926) no Hoare annotation was computed. [2020-08-18 23:26:21,942 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 920 948) the Hoare annotation is: true [2020-08-18 23:26:21,942 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 920 948) no Hoare annotation was computed. [2020-08-18 23:26:21,942 INFO L264 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,942 INFO L268 CegarLoopResult]: For program point L933(lines 933 939) no Hoare annotation was computed. [2020-08-18 23:26:21,942 INFO L268 CegarLoopResult]: For program point L932(lines 932 942) no Hoare annotation was computed. [2020-08-18 23:26:21,942 INFO L271 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: true [2020-08-18 23:26:21,943 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 511 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,943 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 511 533) no Hoare annotation was computed. [2020-08-18 23:26:21,943 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 511 533) no Hoare annotation was computed. [2020-08-18 23:26:21,943 INFO L264 CegarLoopResult]: At program point L523(line 523) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,943 INFO L264 CegarLoopResult]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,944 INFO L268 CegarLoopResult]: For program point L521(lines 521 528) no Hoare annotation was computed. [2020-08-18 23:26:21,944 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 528) no Hoare annotation was computed. [2020-08-18 23:26:21,944 INFO L268 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-08-18 23:26:21,944 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,944 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,944 INFO L264 CegarLoopResult]: At program point L517-1(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 465 488) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-18 23:26:21,945 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 465 488) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 465 488) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-08-18 23:26:21,946 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 23:26:21,947 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-08-18 23:26:21,947 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 23:26:21,947 INFO L264 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,947 INFO L268 CegarLoopResult]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2020-08-18 23:26:21,947 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,947 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,948 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-08-18 23:26:21,948 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 169 193) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,948 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,948 INFO L268 CegarLoopResult]: For program point L175-1(line 175) no Hoare annotation was computed. [2020-08-18 23:26:21,948 INFO L268 CegarLoopResult]: For program point L173(lines 173 190) no Hoare annotation was computed. [2020-08-18 23:26:21,948 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 169 193) no Hoare annotation was computed. [2020-08-18 23:26:21,949 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 328 342) no Hoare annotation was computed. [2020-08-18 23:26:21,949 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 23:26:21,949 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-08-18 23:26:21,949 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 328 342) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 23:26:21,949 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 328 342) no Hoare annotation was computed. [2020-08-18 23:26:21,949 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 264 272) no Hoare annotation was computed. [2020-08-18 23:26:21,949 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 264 272) the Hoare annotation is: true [2020-08-18 23:26:21,950 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 264 272) no Hoare annotation was computed. [2020-08-18 23:26:21,950 INFO L268 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-08-18 23:26:21,950 INFO L271 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: true [2020-08-18 23:26:21,950 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-08-18 23:26:21,950 INFO L268 CegarLoopResult]: For program point L316-1(line 316) no Hoare annotation was computed. [2020-08-18 23:26:21,950 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 309 327) the Hoare annotation is: true [2020-08-18 23:26:21,950 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 309 327) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 309 327) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point L280(lines 280 288) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 288) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 273 308) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 273 308) no Hoare annotation was computed. [2020-08-18 23:26:21,951 INFO L268 CegarLoopResult]: For program point L292(lines 292 300) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 273 308) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point L292-2(lines 292 300) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 961 967) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 961 967) the Hoare annotation is: true [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-08-18 23:26:21,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-08-18 23:26:21,953 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-08-18 23:26:21,954 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 497 507) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,954 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 497 507) no Hoare annotation was computed. [2020-08-18 23:26:21,954 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 497 507) no Hoare annotation was computed. [2020-08-18 23:26:21,954 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,954 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-08-18 23:26:21,954 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 253 263) the Hoare annotation is: true [2020-08-18 23:26:21,954 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 253 263) no Hoare annotation was computed. [2020-08-18 23:26:21,955 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 253 263) no Hoare annotation was computed. [2020-08-18 23:26:21,955 INFO L271 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: true [2020-08-18 23:26:21,955 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 245 252) the Hoare annotation is: true [2020-08-18 23:26:21,955 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-08-18 23:26:21,955 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-08-18 23:26:21,955 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 195 219) no Hoare annotation was computed. [2020-08-18 23:26:21,955 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,955 INFO L268 CegarLoopResult]: For program point L214-1(lines 195 219) no Hoare annotation was computed. [2020-08-18 23:26:21,956 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 195 219) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,956 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,956 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,956 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-08-18 23:26:21,956 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,956 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-08-18 23:26:21,957 INFO L268 CegarLoopResult]: For program point L199(lines 199 216) no Hoare annotation was computed. [2020-08-18 23:26:21,957 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 161 167) no Hoare annotation was computed. [2020-08-18 23:26:21,957 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 161 167) the Hoare annotation is: true [2020-08-18 23:26:21,957 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,957 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-08-18 23:26:21,957 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,957 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,958 INFO L268 CegarLoopResult]: For program point L100(lines 100 106) no Hoare annotation was computed. [2020-08-18 23:26:21,958 INFO L264 CegarLoopResult]: At program point L100-1(lines 94 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,958 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-08-18 23:26:21,958 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-08-18 23:26:21,958 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,958 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-08-18 23:26:21,958 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-08-18 23:26:21,959 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,959 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,959 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-08-18 23:26:21,959 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-08-18 23:26:21,959 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-08-18 23:26:21,959 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-08-18 23:26:21,959 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 220 227) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 220 227) no Hoare annotation was computed. [2020-08-18 23:26:21,960 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 220 227) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 424 432) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 424 432) the Hoare annotation is: true [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 424 432) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point L400(lines 400 408) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point L400-2(lines 400 408) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 392 414) no Hoare annotation was computed. [2020-08-18 23:26:21,961 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 392 414) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 392 414) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-08-18 23:26:21,962 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-18 23:26:21,963 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-08-18 23:26:21,964 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-18 23:26:21,964 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 951 960) no Hoare annotation was computed. [2020-08-18 23:26:21,964 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 951 960) no Hoare annotation was computed. [2020-08-18 23:26:21,964 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 951 960) no Hoare annotation was computed. [2020-08-18 23:26:21,964 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,965 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 23:26:21,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,965 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-08-18 23:26:21,965 INFO L268 CegarLoopResult]: For program point L239-1(lines 228 244) no Hoare annotation was computed. [2020-08-18 23:26:21,965 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 228 244) no Hoare annotation was computed. [2020-08-18 23:26:21,965 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 228 244) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 415 423) the Hoare annotation is: true [2020-08-18 23:26:21,966 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 415 423) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 415 423) no Hoare annotation was computed. [2020-08-18 23:26:21,966 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 371 382) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 23:26:21,967 INFO L268 CegarLoopResult]: For program point L375-1(lines 371 382) no Hoare annotation was computed. [2020-08-18 23:26:21,967 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 371 382) no Hoare annotation was computed. [2020-08-18 23:26:21,967 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,967 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,967 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,967 INFO L264 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,968 INFO L264 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,968 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 134 160) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,968 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 23:26:21,968 INFO L268 CegarLoopResult]: For program point L141(lines 137 159) no Hoare annotation was computed. [2020-08-18 23:26:21,968 INFO L268 CegarLoopResult]: For program point L139(lines 137 159) no Hoare annotation was computed. [2020-08-18 23:26:21,968 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 134 160) no Hoare annotation was computed. [2020-08-18 23:26:21,968 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 134 160) no Hoare annotation was computed. [2020-08-18 23:26:21,969 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-08-18 23:26:21,969 INFO L264 CegarLoopResult]: At program point L449-1(lines 449 453) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,969 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 435 464) no Hoare annotation was computed. [2020-08-18 23:26:21,969 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 23:26:21,969 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 435 464) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,969 INFO L264 CegarLoopResult]: At program point L445-2(lines 445 459) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,969 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:26:21,970 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-08-18 23:26:21,970 INFO L271 CegarLoopResult]: At program point L460(lines 435 464) the Hoare annotation is: true [2020-08-18 23:26:21,970 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-18 23:26:21,970 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 383 391) the Hoare annotation is: true [2020-08-18 23:26:21,970 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 383 391) no Hoare annotation was computed. [2020-08-18 23:26:21,970 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 383 391) no Hoare annotation was computed. [2020-08-18 23:26:21,970 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 347 358) the Hoare annotation is: true [2020-08-18 23:26:21,971 INFO L268 CegarLoopResult]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2020-08-18 23:26:21,971 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 347 358) no Hoare annotation was computed. [2020-08-18 23:26:21,971 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 489 495) no Hoare annotation was computed. [2020-08-18 23:26:21,971 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 489 495) the Hoare annotation is: true [2020-08-18 23:26:21,971 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,971 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 23:26:21,971 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 23:26:21,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:26:21,972 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 359 370) no Hoare annotation was computed. [2020-08-18 23:26:21,972 INFO L268 CegarLoopResult]: For program point L363-1(lines 359 370) no Hoare annotation was computed. [2020-08-18 23:26:21,972 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 359 370) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:26:21,972 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 23:26:21,972 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 23:26:21,972 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 23:26:21,973 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 23:26:21,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:26:21 BoogieIcfgContainer [2020-08-18 23:26:21,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 23:26:21,999 INFO L168 Benchmark]: Toolchain (without parser) took 20187.73 ms. Allocated memory was 140.5 MB in the beginning and 569.9 MB in the end (delta: 429.4 MB). Free memory was 102.5 MB in the beginning and 359.6 MB in the end (delta: -257.1 MB). Peak memory consumption was 447.6 MB. Max. memory is 7.1 GB. [2020-08-18 23:26:22,000 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 23:26:22,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.81 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 172.8 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-08-18 23:26:22,002 INFO L168 Benchmark]: Boogie Preprocessor took 108.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.8 MB in the beginning and 168.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-18 23:26:22,003 INFO L168 Benchmark]: RCFGBuilder took 1262.59 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.1 MB in the beginning and 194.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-08-18 23:26:22,004 INFO L168 Benchmark]: TraceAbstraction took 18114.54 ms. Allocated memory was 236.5 MB in the beginning and 569.9 MB in the end (delta: 333.4 MB). Free memory was 194.4 MB in the beginning and 359.6 MB in the end (delta: -165.3 MB). Peak memory consumption was 443.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:26:22,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.81 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 172.8 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.8 MB in the beginning and 168.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.59 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.1 MB in the beginning and 194.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18114.54 ms. Allocated memory was 236.5 MB in the beginning and 569.9 MB in the end (delta: 333.4 MB). Free memory was 194.4 MB in the beginning and 359.6 MB in the end (delta: -165.3 MB). Peak memory consumption was 443.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 445]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 684 SDslu, 388 SDs, 0 SdLazy, 1560 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 85 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 414 PreInvPairs, 488 NumberOfFragments, 743 HoareAnnotationTreeSize, 414 FomulaSimplifications, 4363 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 11831 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 58865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...