/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:11:57,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:11:57,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:11:57,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:11:57,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:11:57,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:11:57,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:11:57,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:11:57,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:11:57,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:11:57,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:11:57,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:11:57,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:11:57,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:11:57,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:11:57,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:11:57,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:11:57,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:11:57,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:11:57,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:11:57,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:11:57,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:11:57,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:11:57,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:11:57,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 01:11:57,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 01:11:57,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 01:11:57,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 01:11:57,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 01:11:57,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 01:11:57,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 01:11:57,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 01:11:57,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 01:11:57,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 01:11:57,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 01:11:57,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 01:11:57,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 01:11:57,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 01:11:57,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:11:57,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:11:57,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:11:57,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 01:11:57,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:11:57,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:11:57,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:11:57,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:11:57,696 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:11:57,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:11:57,696 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:11:57,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:11:57,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:11:57,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:11:57,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:11:57,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:11:57,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:11:57,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:11:57,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:11:57,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:11:57,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:11:57,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:11:57,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:11:57,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:11:57,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:11:57,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:11:57,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:11:57,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:11:57,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:11:58,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:11:58,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:11:58,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:11:58,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:11:58,057 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:11:58,058 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-08-22 01:11:58,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3be7241b0/7b3050540c0c4d4cb4fd31dd9a18fced/FLAG224a056bc [2020-08-22 01:11:58,589 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:11:58,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c [2020-08-22 01:11:58,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3be7241b0/7b3050540c0c4d4cb4fd31dd9a18fced/FLAG224a056bc [2020-08-22 01:11:58,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3be7241b0/7b3050540c0c4d4cb4fd31dd9a18fced [2020-08-22 01:11:58,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:11:58,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:11:58,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:11:58,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:11:58,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:11:58,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:11:58" (1/1) ... [2020-08-22 01:11:58,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dac89bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:58, skipping insertion in model container [2020-08-22 01:11:58,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:11:58" (1/1) ... [2020-08-22 01:11:58,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:11:58,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:11:59,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:11:59,346 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:11:59,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:11:59,558 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:11:59,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59 WrapperNode [2020-08-22 01:11:59,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:11:59,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:11:59,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:11:59,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:11:59,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... [2020-08-22 01:11:59,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:11:59,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:11:59,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:11:59,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:11:59,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:11:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:11:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:11:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 01:11:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 01:11:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 01:11:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 01:11:59,706 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 01:11:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 01:11:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 01:11:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 01:11:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 01:11:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 01:11:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 01:11:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 01:11:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:11:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 01:11:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:12:00,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:12:00,852 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 01:12:00,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:00 BoogieIcfgContainer [2020-08-22 01:12:00,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:12:00,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:12:00,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:12:00,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:12:00,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:11:58" (1/3) ... [2020-08-22 01:12:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596ed872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:00, skipping insertion in model container [2020-08-22 01:12:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:11:59" (2/3) ... [2020-08-22 01:12:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596ed872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:00, skipping insertion in model container [2020-08-22 01:12:00,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:00" (3/3) ... [2020-08-22 01:12:00,865 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2020-08-22 01:12:00,875 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:12:00,882 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:12:00,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:12:00,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:12:00,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:12:00,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:12:00,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:12:00,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:12:00,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:12:00,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:12:00,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:12:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-08-22 01:12:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 01:12:00,950 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:00,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:00,951 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:00,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:00,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1769963120, now seen corresponding path program 1 times [2020-08-22 01:12:00,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:00,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272236387] [2020-08-22 01:12:00,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,593 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:01,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 01:12:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 01:12:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:01,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272236387] [2020-08-22 01:12:01,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:01,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 01:12:01,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599156725] [2020-08-22 01:12:01,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 01:12:01,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:01,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 01:12:01,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 01:12:01,743 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2020-08-22 01:12:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:02,678 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2020-08-22 01:12:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 01:12:02,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 01:12:02,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:02,695 INFO L225 Difference]: With dead ends: 236 [2020-08-22 01:12:02,695 INFO L226 Difference]: Without dead ends: 133 [2020-08-22 01:12:02,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 01:12:02,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-22 01:12:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-08-22 01:12:02,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-22 01:12:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-08-22 01:12:02,856 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-08-22 01:12:02,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:02,857 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-08-22 01:12:02,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 01:12:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-08-22 01:12:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 01:12:02,863 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:02,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:02,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:12:02,864 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash -196862469, now seen corresponding path program 1 times [2020-08-22 01:12:02,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:02,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710022875] [2020-08-22 01:12:02,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,288 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 01:12:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 01:12:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:03,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710022875] [2020-08-22 01:12:03,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:03,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 01:12:03,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872998463] [2020-08-22 01:12:03,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:12:03,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:03,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:12:03,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:12:03,365 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states. [2020-08-22 01:12:03,807 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 01:12:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:04,427 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2020-08-22 01:12:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 01:12:04,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 01:12:04,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:04,432 INFO L225 Difference]: With dead ends: 181 [2020-08-22 01:12:04,432 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 01:12:04,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:12:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 01:12:04,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-22 01:12:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-22 01:12:04,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-22 01:12:04,484 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-08-22 01:12:04,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:04,506 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-22 01:12:04,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:12:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-22 01:12:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 01:12:04,519 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:04,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:04,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:12:04,521 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:04,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:04,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1769510197, now seen corresponding path program 1 times [2020-08-22 01:12:04,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:04,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099382617] [2020-08-22 01:12:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:04,886 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:04,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:04,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:04,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:04,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 01:12:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 01:12:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:05,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099382617] [2020-08-22 01:12:05,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:05,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:05,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539040920] [2020-08-22 01:12:05,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:05,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:05,021 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 9 states. [2020-08-22 01:12:05,397 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:05,719 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:05,962 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:06,193 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:07,063 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2020-08-22 01:12:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:12:07,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 01:12:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:07,067 INFO L225 Difference]: With dead ends: 190 [2020-08-22 01:12:07,067 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 01:12:07,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 01:12:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 01:12:07,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-22 01:12:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-22 01:12:07,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-22 01:12:07,098 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-08-22 01:12:07,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:07,099 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-22 01:12:07,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:07,099 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-22 01:12:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 01:12:07,100 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:07,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:07,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:12:07,101 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:07,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1543424388, now seen corresponding path program 1 times [2020-08-22 01:12:07,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:07,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021613076] [2020-08-22 01:12:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,405 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 01:12:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 01:12:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 01:12:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:07,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021613076] [2020-08-22 01:12:07,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:07,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:07,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170003330] [2020-08-22 01:12:07,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:07,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:07,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:07,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:07,500 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states. [2020-08-22 01:12:07,879 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:08,712 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:09,061 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:09,563 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:09,801 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:10,373 INFO L93 Difference]: Finished difference Result 292 states and 393 transitions. [2020-08-22 01:12:10,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 01:12:10,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 01:12:10,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:10,379 INFO L225 Difference]: With dead ends: 292 [2020-08-22 01:12:10,379 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 01:12:10,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 01:12:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 01:12:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152. [2020-08-22 01:12:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-22 01:12:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2020-08-22 01:12:10,426 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2020-08-22 01:12:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:10,426 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2020-08-22 01:12:10,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2020-08-22 01:12:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-22 01:12:10,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:10,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:10,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:12:10,428 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:10,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:10,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1297581992, now seen corresponding path program 1 times [2020-08-22 01:12:10,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:10,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758105902] [2020-08-22 01:12:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,713 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:10,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 01:12:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 01:12:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 01:12:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 01:12:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:10,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758105902] [2020-08-22 01:12:10,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:10,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 01:12:10,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949189869] [2020-08-22 01:12:10,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 01:12:10,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:10,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 01:12:10,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 01:12:10,859 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 10 states. [2020-08-22 01:12:11,216 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:12,075 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:12,312 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:12,574 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:12,765 INFO L93 Difference]: Finished difference Result 279 states and 356 transitions. [2020-08-22 01:12:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 01:12:12,766 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-22 01:12:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:12,766 INFO L225 Difference]: With dead ends: 279 [2020-08-22 01:12:12,767 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:12:12,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 01:12:12,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:12:12,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:12:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:12:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:12:12,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-22 01:12:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:12,777 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:12:12,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 01:12:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:12:12,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:12:12,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:12:12,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:12:13,053 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-08-22 01:12:14,853 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:15,015 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:15,213 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:15,457 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:15,781 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:16,104 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:16,401 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 01:12:16,593 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:16,770 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:17,064 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:17,367 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:17,544 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:17,763 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 01:12:17,932 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:18,088 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:18,251 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 01:12:18,424 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 01:12:18,571 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:18,871 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:19,195 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:19,359 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 01:12:19,658 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:19,669 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 374) no Hoare annotation was computed. [2020-08-22 01:12:19,669 INFO L268 CegarLoopResult]: For program point L375(lines 352 376) no Hoare annotation was computed. [2020-08-22 01:12:19,669 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 328 383) no Hoare annotation was computed. [2020-08-22 01:12:19,669 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-08-22 01:12:19,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 328 383) no Hoare annotation was computed. [2020-08-22 01:12:19,670 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 363) no Hoare annotation was computed. [2020-08-22 01:12:19,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 328 383) no Hoare annotation was computed. [2020-08-22 01:12:19,670 INFO L268 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-08-22 01:12:19,671 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-08-22 01:12:19,671 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 420) no Hoare annotation was computed. [2020-08-22 01:12:19,671 INFO L268 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-08-22 01:12:19,671 INFO L268 CegarLoopResult]: For program point L410-2(lines 410 435) no Hoare annotation was computed. [2020-08-22 01:12:19,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 384 443) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L268 CegarLoopResult]: For program point L436(lines 409 437) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 384 443) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 384 443) no Hoare annotation was computed. [2020-08-22 01:12:19,672 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2020-08-22 01:12:19,673 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2020-08-22 01:12:19,673 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2020-08-22 01:12:19,673 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2020-08-22 01:12:19,673 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2020-08-22 01:12:19,673 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 873 895) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,673 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 873 895) no Hoare annotation was computed. [2020-08-22 01:12:19,673 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,674 INFO L264 CegarLoopResult]: At program point L885-1(line 885) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,674 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-08-22 01:12:19,674 INFO L268 CegarLoopResult]: For program point L883-1(lines 883 890) no Hoare annotation was computed. [2020-08-22 01:12:19,674 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-22 01:12:19,674 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,675 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,675 INFO L264 CegarLoopResult]: At program point L879-1(line 879) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,675 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 873 895) no Hoare annotation was computed. [2020-08-22 01:12:19,675 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 831 854) no Hoare annotation was computed. [2020-08-22 01:12:19,675 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 831 854) no Hoare annotation was computed. [2020-08-22 01:12:19,675 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 831 854) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-08-22 01:12:19,676 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-08-22 01:12:19,677 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 153 159) no Hoare annotation was computed. [2020-08-22 01:12:19,678 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 153 159) the Hoare annotation is: true [2020-08-22 01:12:19,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 186 193) no Hoare annotation was computed. [2020-08-22 01:12:19,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 186 193) no Hoare annotation was computed. [2020-08-22 01:12:19,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 186 193) no Hoare annotation was computed. [2020-08-22 01:12:19,678 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 230 238) no Hoare annotation was computed. [2020-08-22 01:12:19,678 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 230 238) the Hoare annotation is: true [2020-08-22 01:12:19,678 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 230 238) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point L246(lines 246 254) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point L246-2(lines 246 254) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 239 274) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 239 274) no Hoare annotation was computed. [2020-08-22 01:12:19,679 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 239 274) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 282 327) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 282 327) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 282 327) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point L609(lines 609 629) no Hoare annotation was computed. [2020-08-22 01:12:19,680 INFO L268 CegarLoopResult]: For program point L609-1(lines 609 629) no Hoare annotation was computed. [2020-08-22 01:12:19,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 595 640) no Hoare annotation was computed. [2020-08-22 01:12:19,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 595 640) no Hoare annotation was computed. [2020-08-22 01:12:19,681 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-08-22 01:12:19,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 595 640) no Hoare annotation was computed. [2020-08-22 01:12:19,681 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 862 872) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,681 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 862 872) no Hoare annotation was computed. [2020-08-22 01:12:19,682 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 862 872) no Hoare annotation was computed. [2020-08-22 01:12:19,682 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,682 INFO L271 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: true [2020-08-22 01:12:19,682 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 219 229) the Hoare annotation is: true [2020-08-22 01:12:19,682 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-08-22 01:12:19,682 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 219 229) no Hoare annotation was computed. [2020-08-22 01:12:19,682 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 219 229) no Hoare annotation was computed. [2020-08-22 01:12:19,683 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2020-08-22 01:12:19,683 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2020-08-22 01:12:19,683 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2020-08-22 01:12:19,683 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 161 185) no Hoare annotation was computed. [2020-08-22 01:12:19,683 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,683 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 161 185) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,683 INFO L268 CegarLoopResult]: For program point L180-1(lines 161 185) no Hoare annotation was computed. [2020-08-22 01:12:19,684 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,684 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,684 INFO L268 CegarLoopResult]: For program point L169(lines 169 177) no Hoare annotation was computed. [2020-08-22 01:12:19,684 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,684 INFO L268 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-08-22 01:12:19,684 INFO L268 CegarLoopResult]: For program point L165(lines 165 182) no Hoare annotation was computed. [2020-08-22 01:12:19,684 INFO L264 CegarLoopResult]: At program point L97(lines 54 99) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:19,685 INFO L268 CegarLoopResult]: For program point L64(lines 64 70) no Hoare annotation was computed. [2020-08-22 01:12:19,685 INFO L264 CegarLoopResult]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,685 INFO L268 CegarLoopResult]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2020-08-22 01:12:19,685 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 01:12:19,685 INFO L268 CegarLoopResult]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2020-08-22 01:12:19,685 INFO L264 CegarLoopResult]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:19,685 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-08-22 01:12:19,686 INFO L264 CegarLoopResult]: At program point L90-2(lines 84 95) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:19,686 INFO L268 CegarLoopResult]: For program point L55(lines 54 99) no Hoare annotation was computed. [2020-08-22 01:12:19,686 INFO L268 CegarLoopResult]: For program point L84(lines 84 95) no Hoare annotation was computed. [2020-08-22 01:12:19,686 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:19,686 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-08-22 01:12:19,686 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 549 594) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 549 594) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point L563(lines 563 583) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 583) no Hoare annotation was computed. [2020-08-22 01:12:19,687 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 549 594) no Hoare annotation was computed. [2020-08-22 01:12:19,688 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:19,688 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 770 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:19,688 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-08-22 01:12:19,688 INFO L268 CegarLoopResult]: For program point L782(lines 782 792) no Hoare annotation was computed. [2020-08-22 01:12:19,688 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 01:12:19,688 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-22 01:12:19,688 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-08-22 01:12:19,688 INFO L268 CegarLoopResult]: For program point L778-1(lines 770 798) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 770 798) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 728 750) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 728 750) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 728 750) no Hoare annotation was computed. [2020-08-22 01:12:19,689 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:19,689 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 762 769) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 762 769) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 446 548) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L475(lines 475 491) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L496(lines 495 515) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L492(lines 492 533) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 446 548) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-08-22 01:12:19,690 INFO L268 CegarLoopResult]: For program point L534(lines 534 545) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 446 548) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point L497(lines 497 501) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 515) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point L516(lines 494 517) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 646 655) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 646 655) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 646 655) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,691 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 01:12:19,691 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L205-1(lines 194 210) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 194 210) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 194 210) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 751 759) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-22 01:12:19,692 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 707 718) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 01:12:19,692 INFO L268 CegarLoopResult]: For program point L711-1(lines 707 718) no Hoare annotation was computed. [2020-08-22 01:12:19,693 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 707 718) no Hoare annotation was computed. [2020-08-22 01:12:19,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,693 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,693 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 129 152) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,693 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,693 INFO L264 CegarLoopResult]: At program point L140(lines 140 146) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,694 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 129 152) no Hoare annotation was computed. [2020-08-22 01:12:19,694 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:19,694 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 129 152) no Hoare annotation was computed. [2020-08-22 01:12:19,694 INFO L268 CegarLoopResult]: For program point L133(lines 132 151) no Hoare annotation was computed. [2020-08-22 01:12:19,694 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 801 830) no Hoare annotation was computed. [2020-08-22 01:12:19,694 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 801 830) the Hoare annotation is: true [2020-08-22 01:12:19,694 INFO L271 CegarLoopResult]: At program point L826(lines 801 830) the Hoare annotation is: true [2020-08-22 01:12:19,695 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-22 01:12:19,695 INFO L268 CegarLoopResult]: For program point L815(lines 815 819) no Hoare annotation was computed. [2020-08-22 01:12:19,695 INFO L271 CegarLoopResult]: At program point L815-1(lines 815 819) the Hoare annotation is: true [2020-08-22 01:12:19,695 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-22 01:12:19,695 INFO L271 CegarLoopResult]: At program point L811-2(lines 811 825) the Hoare annotation is: true [2020-08-22 01:12:19,695 INFO L271 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: true [2020-08-22 01:12:19,695 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-22 01:12:19,695 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 719 727) the Hoare annotation is: true [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 719 727) no Hoare annotation was computed. [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 719 727) no Hoare annotation was computed. [2020-08-22 01:12:19,696 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 683 694) the Hoare annotation is: true [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point L687-1(lines 683 694) no Hoare annotation was computed. [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 683 694) no Hoare annotation was computed. [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 855 861) no Hoare annotation was computed. [2020-08-22 01:12:19,696 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 855 861) the Hoare annotation is: true [2020-08-22 01:12:19,696 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,697 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 01:12:19,697 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 01:12:19,697 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:19,697 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 695 706) no Hoare annotation was computed. [2020-08-22 01:12:19,697 INFO L268 CegarLoopResult]: For program point L699-1(lines 695 706) no Hoare annotation was computed. [2020-08-22 01:12:19,697 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 695 706) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:19,697 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 109 116) no Hoare annotation was computed. [2020-08-22 01:12:19,698 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113) no Hoare annotation was computed. [2020-08-22 01:12:19,698 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 109 116) the Hoare annotation is: true [2020-08-22 01:12:19,698 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 109 116) no Hoare annotation was computed. [2020-08-22 01:12:19,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:12:19 BoogieIcfgContainer [2020-08-22 01:12:19,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 01:12:19,721 INFO L168 Benchmark]: Toolchain (without parser) took 20829.54 ms. Allocated memory was 137.9 MB in the beginning and 566.2 MB in the end (delta: 428.3 MB). Free memory was 100.4 MB in the beginning and 346.8 MB in the end (delta: -246.4 MB). Peak memory consumption was 452.7 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:19,722 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 01:12:19,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.44 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 170.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:19,725 INFO L168 Benchmark]: Boogie Preprocessor took 86.21 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 166.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:19,728 INFO L168 Benchmark]: RCFGBuilder took 1211.53 ms. Allocated memory was 200.3 MB in the beginning and 230.2 MB in the end (delta: 29.9 MB). Free memory was 166.7 MB in the beginning and 199.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:19,729 INFO L168 Benchmark]: TraceAbstraction took 18860.45 ms. Allocated memory was 230.2 MB in the beginning and 566.2 MB in the end (delta: 336.1 MB). Free memory was 199.4 MB in the beginning and 346.8 MB in the end (delta: -147.4 MB). Peak memory consumption was 459.4 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:19,737 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.44 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 100.2 MB in the beginning and 170.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.21 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 166.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.53 ms. Allocated memory was 200.3 MB in the beginning and 230.2 MB in the end (delta: 29.9 MB). Free memory was 166.7 MB in the beginning and 199.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18860.45 ms. Allocated memory was 230.2 MB in the beginning and 566.2 MB in the end (delta: 336.1 MB). Free memory was 199.4 MB in the beginning and 346.8 MB in the end (delta: -147.4 MB). Peak memory consumption was 459.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 113]: 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: 54]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 822 SDslu, 385 SDs, 0 SdLazy, 1626 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 758 HoareAnnotationTreeSize, 246 FomulaSimplifications, 91539 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7400 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...