/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:08:57,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:08:57,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:08:57,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:08:57,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:08:57,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:08:57,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:08:57,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:08:57,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:08:57,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:08:57,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:08:57,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:08:57,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:08:57,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:08:57,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:08:57,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:08:57,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:08:57,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:08:57,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:08:57,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:08:57,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:08:57,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:08:57,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:08:57,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:08:57,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:08:57,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:08:57,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:08:57,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:08:57,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:08:57,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:08:57,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:08:57,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:08:57,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:08:57,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:08:57,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:08:57,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:08:57,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:08:57,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:08:57,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:08:57,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:08:57,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:08:57,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 20:08:57,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:08:57,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:08:57,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:08:57,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:08:57,799 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:08:57,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:08:57,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:08:57,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:08:57,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:08:57,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:08:57,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:08:57,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:08:57,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:08:57,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:08:57,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:08:57,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:08:57,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:08:57,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:08:57,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:08:57,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:08:57,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:08:57,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:08:57,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:08:57,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:08:57,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:08:58,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:08:58,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:08:58,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:08:58,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:08:58,140 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:08:58,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-08-18 20:08:58,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47bcf593/d1f74f62c74c46268d9c1a800409e69b/FLAG282982178 [2020-08-18 20:08:58,791 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:08:58,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-08-18 20:08:58,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47bcf593/d1f74f62c74c46268d9c1a800409e69b/FLAG282982178 [2020-08-18 20:08:59,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47bcf593/d1f74f62c74c46268d9c1a800409e69b [2020-08-18 20:08:59,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:08:59,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:08:59,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:08:59,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:08:59,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:08:59,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59, skipping insertion in model container [2020-08-18 20:08:59,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:08:59,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:08:59,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:08:59,529 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:08:59,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:08:59,700 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:08:59,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59 WrapperNode [2020-08-18 20:08:59,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:08:59,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:08:59,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:08:59,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:08:59,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (1/1) ... [2020-08-18 20:08:59,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:08:59,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:08:59,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:08:59,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:08:59,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (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 [2020-08-18 20:08:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:08:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:08:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:08:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:08:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:08:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:08:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:08:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:08:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:08:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:08:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:08:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:08:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:08:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:08:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:08:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:08:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:08:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:08:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:08:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:08:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:08:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:08:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:08:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:08:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:08:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:08:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:08:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:08:59,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:08:59,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:08:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:08:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:09:00,959 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:09:00,959 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:09:00,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:09:00 BoogieIcfgContainer [2020-08-18 20:09:00,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:09:00,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:09:00,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:09:00,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:09:00,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:08:59" (1/3) ... [2020-08-18 20:09:00,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5983db05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:09:00, skipping insertion in model container [2020-08-18 20:09:00,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:08:59" (2/3) ... [2020-08-18 20:09:00,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5983db05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:09:00, skipping insertion in model container [2020-08-18 20:09:00,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:09:00" (3/3) ... [2020-08-18 20:09:00,973 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-08-18 20:09:00,984 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:09:00,992 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:09:01,006 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:09:01,032 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:09:01,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:09:01,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:09:01,033 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:09:01,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:09:01,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:09:01,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:09:01,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:09:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-08-18 20:09:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 20:09:01,066 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:01,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:09:01,067 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:01,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:01,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1078669538, now seen corresponding path program 1 times [2020-08-18 20:09:01,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:01,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138689753] [2020-08-18 20:09:01,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,662 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:09:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:09:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:09:01,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138689753] [2020-08-18 20:09:01,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:09:01,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:09:01,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627954373] [2020-08-18 20:09:01,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:09:01,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:01,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:09:01,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:09:01,789 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-08-18 20:09:02,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:02,703 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-18 20:09:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:09:02,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 20:09:02,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:02,720 INFO L225 Difference]: With dead ends: 228 [2020-08-18 20:09:02,720 INFO L226 Difference]: Without dead ends: 125 [2020-08-18 20:09:02,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:09:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-18 20:09:02,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-18 20:09:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-18 20:09:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-18 20:09:02,841 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-18 20:09:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:02,842 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-18 20:09:02,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:09:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-18 20:09:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:09:02,846 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:02,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:09:02,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:09:02,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:02,849 INFO L82 PathProgramCache]: Analyzing trace with hash -352011727, now seen corresponding path program 1 times [2020-08-18 20:09:02,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:02,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945274646] [2020-08-18 20:09:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,248 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:09:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:09:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:09:03,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945274646] [2020-08-18 20:09:03,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:09:03,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:09:03,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191410174] [2020-08-18 20:09:03,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:09:03,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:03,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:09:03,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:09:03,340 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-18 20:09:03,764 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:09:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:04,269 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-18 20:09:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:09:04,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 20:09:04,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:04,273 INFO L225 Difference]: With dead ends: 148 [2020-08-18 20:09:04,274 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 20:09:04,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:09:04,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 20:09:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-18 20:09:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-18 20:09:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-18 20:09:04,307 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-18 20:09:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:04,307 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-18 20:09:04,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:09:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-18 20:09:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:09:04,309 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:04,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:09:04,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:09:04,310 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:04,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1517693929, now seen corresponding path program 1 times [2020-08-18 20:09:04,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:04,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956841169] [2020-08-18 20:09:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,674 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:04,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:09:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:09:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:09:04,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956841169] [2020-08-18 20:09:04,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:09:04,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:09:04,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311804775] [2020-08-18 20:09:04,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:09:04,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:04,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:09:04,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:09:04,781 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-18 20:09:05,150 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:09:05,443 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:05,688 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:05,928 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:06,656 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:09:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:07,667 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-18 20:09:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:09:07,671 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 20:09:07,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:07,676 INFO L225 Difference]: With dead ends: 302 [2020-08-18 20:09:07,677 INFO L226 Difference]: Without dead ends: 241 [2020-08-18 20:09:07,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 20:09:07,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-18 20:09:07,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-18 20:09:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-18 20:09:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-18 20:09:07,773 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-18 20:09:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:07,773 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-18 20:09:07,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:09:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-18 20:09:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 20:09:07,776 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:07,776 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] [2020-08-18 20:09:07,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:09:07,776 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:07,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:07,777 INFO L82 PathProgramCache]: Analyzing trace with hash 818013324, now seen corresponding path program 1 times [2020-08-18 20:09:07,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:07,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421486475] [2020-08-18 20:09:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,122 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:08,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:09:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:09:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 20:09:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:09:08,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421486475] [2020-08-18 20:09:08,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:09:08,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-18 20:09:08,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461696742] [2020-08-18 20:09:08,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 20:09:08,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:08,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 20:09:08,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:09:08,241 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-08-18 20:09:08,682 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:09:08,995 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:09,236 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:09,477 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:09,945 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:09:10,612 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:10,867 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:09:11,117 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:09:11,347 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:09:11,576 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:09:11,847 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:09:12,137 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:09:12,427 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:09:12,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:12,972 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-08-18 20:09:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 20:09:12,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-08-18 20:09:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:12,979 INFO L225 Difference]: With dead ends: 611 [2020-08-18 20:09:12,980 INFO L226 Difference]: Without dead ends: 463 [2020-08-18 20:09:12,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-18 20:09:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-18 20:09:13,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-08-18 20:09:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-08-18 20:09:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-08-18 20:09:13,077 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-08-18 20:09:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:13,077 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-08-18 20:09:13,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 20:09:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-08-18 20:09:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 20:09:13,080 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:13,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:09:13,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:09:13,081 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:13,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:13,081 INFO L82 PathProgramCache]: Analyzing trace with hash 514323110, now seen corresponding path program 1 times [2020-08-18 20:09:13,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:13,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392149512] [2020-08-18 20:09:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,328 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 20:09:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:09:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 20:09:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:09:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:09:13,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392149512] [2020-08-18 20:09:13,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:09:13,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:09:13,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712762600] [2020-08-18 20:09:13,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:09:13,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:13,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:09:13,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:09:13,437 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-08-18 20:09:13,773 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:09:14,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:14,358 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-08-18 20:09:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 20:09:14,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-08-18 20:09:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:14,367 INFO L225 Difference]: With dead ends: 796 [2020-08-18 20:09:14,367 INFO L226 Difference]: Without dead ends: 386 [2020-08-18 20:09:14,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:09:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-08-18 20:09:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-08-18 20:09:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-08-18 20:09:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-08-18 20:09:14,445 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-08-18 20:09:14,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:14,446 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-08-18 20:09:14,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:09:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-08-18 20:09:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-18 20:09:14,449 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:09:14,449 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:09:14,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:09:14,450 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:09:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:09:14,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1399137902, now seen corresponding path program 1 times [2020-08-18 20:09:14,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:09:14,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329066488] [2020-08-18 20:09:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:09:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,763 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:14,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:09:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:09:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:09:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:09:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:09:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:09:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:09:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:09:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:09:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:09:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 20:09:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-18 20:09:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 20:09:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:09:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 20:09:14,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329066488] [2020-08-18 20:09:14,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:09:14,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 20:09:14,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143338473] [2020-08-18 20:09:14,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:09:14,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:09:14,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:09:14,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:09:14,958 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 9 states. [2020-08-18 20:09:15,556 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 20:09:16,133 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:09:16,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:09:16,956 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-08-18 20:09:16,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 20:09:16,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-08-18 20:09:16,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:09:16,958 INFO L225 Difference]: With dead ends: 525 [2020-08-18 20:09:16,958 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:09:16,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2020-08-18 20:09:16,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:09:16,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:09:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:09:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:09:16,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-18 20:09:16,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:09:16,961 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:09:16,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:09:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:09:16,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:09:16,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:09:16,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:09:17,151 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 26 [2020-08-18 20:09:20,690 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:21,183 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:21,698 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2020-08-18 20:09:22,146 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:22,491 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:22,861 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:23,339 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 16 [2020-08-18 20:09:23,771 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-18 20:09:23,961 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:09:24,302 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 20:09:24,466 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 20:09:25,089 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-18 20:09:25,510 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 20:09:26,189 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 20:09:26,338 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 20:09:26,660 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 20:09:27,256 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-18 20:09:27,406 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 20:09:27,863 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-18 20:09:28,233 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 20:09:28,290 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2020-08-18 20:09:28,290 INFO L268 CegarLoopResult]: For program point L567(lines 544 568) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 520 575) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-08-18 20:09:28,291 INFO L268 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L608-1(lines 608 612) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L628(lines 601 629) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-08-18 20:09:28,292 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2020-08-18 20:09:28,293 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-08-18 20:09:28,293 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-08-18 20:09:28,293 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-08-18 20:09:28,293 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-08-18 20:09:28,293 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-08-18 20:09:28,293 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2020-08-18 20:09:28,293 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 20:09:28,294 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 20:09:28,295 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,295 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,295 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,295 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,295 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 20:09:28,295 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 20:09:28,296 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,296 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,296 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 20:09:28,296 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 20:09:28,296 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 20:09:28,296 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 20:09:28,296 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 20:09:28,297 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2020-08-18 20:09:28,298 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-08-18 20:09:28,299 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 474 519) no Hoare annotation was computed. [2020-08-18 20:09:28,300 INFO L268 CegarLoopResult]: For program point L801(lines 801 821) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point L801-1(lines 801 821) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 787 832) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-08-18 20:09:28,301 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-08-18 20:09:28,302 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-08-18 20:09:28,302 INFO L264 CegarLoopResult]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,302 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-08-18 20:09:28,303 INFO L268 CegarLoopResult]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2020-08-18 20:09:28,303 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:09:28,303 INFO L264 CegarLoopResult]: At program point L449(line 449) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,303 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-08-18 20:09:28,303 INFO L264 CegarLoopResult]: At program point L447-1(lines 439 454) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,303 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-08-18 20:09:28,304 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,304 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-08-18 20:09:28,304 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,304 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-08-18 20:09:28,304 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2020-08-18 20:09:28,304 INFO L264 CegarLoopResult]: At program point L456(lines 409 458) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,305 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point L761(lines 761 768) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point L755(lines 755 775) no Hoare annotation was computed. [2020-08-18 20:09:28,305 INFO L268 CegarLoopResult]: For program point L755-1(lines 755 775) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 741 786) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 230 252) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-08-18 20:09:28,306 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L667(lines 667 683) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L727(lines 727 734) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L688(lines 687 707) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point L684(lines 684 725) no Hoare annotation was computed. [2020-08-18 20:09:28,307 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L726(lines 726 737) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2020-08-18 20:09:28,308 INFO L268 CegarLoopResult]: For program point L708(lines 686 709) no Hoare annotation was computed. [2020-08-18 20:09:28,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,309 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#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~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#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~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.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~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#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)|)) [2020-08-18 20:09:28,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,309 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-08-18 20:09:28,309 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,310 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,311 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,311 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-08-18 20:09:28,311 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 20:09:28,311 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 20:09:28,311 INFO L268 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-08-18 20:09:28,311 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 20:09:28,312 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 20:09:28,312 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 20:09:28,313 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 20:09:28,313 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 20:09:28,313 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 20:09:28,313 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2020-08-18 20:09:28,313 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 221 229) no Hoare annotation was computed. [2020-08-18 20:09:28,313 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2020-08-18 20:09:28,313 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2020-08-18 20:09:28,313 INFO L268 CegarLoopResult]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2020-08-18 20:09:28,314 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2020-08-18 20:09:28,314 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 20:09:28,314 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 20:09:28,314 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,314 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 20:09:28,314 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:09:28,314 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:09:28,314 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2020-08-18 20:09:28,315 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:09:28,315 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2020-08-18 20:09:28,315 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2020-08-18 20:09:28,315 INFO L268 CegarLoopResult]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2020-08-18 20:09:28,315 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 20:09:28,315 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2020-08-18 20:09:28,315 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-08-18 20:09:28,316 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2020-08-18 20:09:28,316 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2020-08-18 20:09:28,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:09:28 BoogieIcfgContainer [2020-08-18 20:09:28,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:09:28,335 INFO L168 Benchmark]: Toolchain (without parser) took 29282.95 ms. Allocated memory was 141.6 MB in the beginning and 615.0 MB in the end (delta: 473.4 MB). Free memory was 103.8 MB in the beginning and 476.3 MB in the end (delta: -372.6 MB). Peak memory consumption was 485.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:09:28,336 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:09:28,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.54 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 176.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:09:28,338 INFO L168 Benchmark]: Boogie Preprocessor took 88.04 ms. Allocated memory is still 205.5 MB. Free memory was 176.3 MB in the beginning and 172.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:09:28,338 INFO L168 Benchmark]: RCFGBuilder took 1174.65 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 172.0 MB in the beginning and 200.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:09:28,339 INFO L168 Benchmark]: TraceAbstraction took 27367.26 ms. Allocated memory was 234.4 MB in the beginning and 615.0 MB in the end (delta: 380.6 MB). Free memory was 200.1 MB in the beginning and 476.3 MB in the end (delta: -276.2 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:09:28,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.54 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 176.3 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.04 ms. Allocated memory is still 205.5 MB. Free memory was 176.3 MB in the beginning and 172.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.65 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 172.0 MB in the beginning and 200.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27367.26 ms. Allocated memory was 234.4 MB in the beginning and 615.0 MB in the end (delta: 380.6 MB). Free memory was 200.1 MB in the beginning and 476.3 MB in the end (delta: -276.2 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 980 SDslu, 506 SDs, 0 SdLazy, 2064 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 906 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87755 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16868 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 103070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...