/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:22:35,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:22:35,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:22:35,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:22:35,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:22:35,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:22:35,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:22:35,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:22:35,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:22:35,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:22:35,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:22:35,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:22:35,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:22:35,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:22:35,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:22:35,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:22:35,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:22:35,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:22:35,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:22:35,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:22:35,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:22:35,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:22:35,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:22:35,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:22:35,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:22:35,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:22:35,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:22:35,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:22:35,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:22:35,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:22:35,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:22:35,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:22:35,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:22:35,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:22:35,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:22:35,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:22:35,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:22:35,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:22:35,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:22:35,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:22:35,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:22:35,757 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 23:22:35,802 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:22:35,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:22:35,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:22:35,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:22:35,807 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:22:35,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:22:35,807 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:22:35,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:22:35,809 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:22:35,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:22:35,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:22:35,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:22:35,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:22:35,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:22:35,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:22:35,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:22:35,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:22:35,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:22:35,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:22:35,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:22:35,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:22:35,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:22:35,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:22:35,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:22:35,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:22:36,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:22:36,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:22:36,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:22:36,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:22:36,164 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:22:36,165 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-08-18 23:22:36,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e090481/4995e6d22f234d9889fe85c91d6bd285/FLAG5479bc7ec [2020-08-18 23:22:36,727 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:22:36,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-08-18 23:22:36,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e090481/4995e6d22f234d9889fe85c91d6bd285/FLAG5479bc7ec [2020-08-18 23:22:37,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/08e090481/4995e6d22f234d9889fe85c91d6bd285 [2020-08-18 23:22:37,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:22:37,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:22:37,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:22:37,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:22:37,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:22:37,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184fc857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37, skipping insertion in model container [2020-08-18 23:22:37,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:22:37,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:22:37,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:22:37,618 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:22:37,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:22:37,729 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:22:37,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37 WrapperNode [2020-08-18 23:22:37,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:22:37,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:22:37,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:22:37,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:22:37,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... [2020-08-18 23:22:37,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:22:37,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:22:37,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:22:37,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:22:37,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:22:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:22:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:22:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 23:22:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 23:22:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 23:22:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 23:22:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 23:22:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 23:22:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 23:22:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 23:22:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 23:22:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 23:22:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 23:22:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 23:22:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 23:22:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 23:22:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 23:22:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 23:22:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 23:22:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 23:22:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 23:22:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:22:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:22:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 23:22:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 23:22:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 23:22:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 23:22:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 23:22:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 23:22:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 23:22:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 23:22:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 23:22:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 23:22:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 23:22:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 23:22:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 23:22:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 23:22:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:22:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 23:22:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 23:22:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 23:22:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 23:22:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 23:22:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:22:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 23:22:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:22:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:22:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:22:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:22:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 23:22:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:22:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 23:22:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 23:22:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:22:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 23:22:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 23:22:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 23:22:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 23:22:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:22:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:22:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:22:38,998 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:22:38,998 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 23:22:39,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:22:39 BoogieIcfgContainer [2020-08-18 23:22:39,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:22:39,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:22:39,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:22:39,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:22:39,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:22:37" (1/3) ... [2020-08-18 23:22:39,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2840e492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:22:39, skipping insertion in model container [2020-08-18 23:22:39,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:22:37" (2/3) ... [2020-08-18 23:22:39,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2840e492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:22:39, skipping insertion in model container [2020-08-18 23:22:39,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:22:39" (3/3) ... [2020-08-18 23:22:39,013 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-08-18 23:22:39,024 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:22:39,032 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:22:39,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:22:39,077 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:22:39,077 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:22:39,077 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:22:39,077 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:22:39,078 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:22:39,078 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:22:39,078 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:22:39,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:22:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-18 23:22:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 23:22:39,114 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:39,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:22:39,115 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:39,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:39,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1908164491, now seen corresponding path program 1 times [2020-08-18 23:22:39,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:39,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524975201] [2020-08-18 23:22:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,811 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:39,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:22:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:22:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:39,920 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 23:22:39,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524975201] [2020-08-18 23:22:39,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:22:39,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 23:22:39,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164993608] [2020-08-18 23:22:39,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 23:22:39,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:39,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 23:22:39,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 23:22:39,955 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-08-18 23:22:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:40,997 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2020-08-18 23:22:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 23:22:41,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 23:22:41,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:41,016 INFO L225 Difference]: With dead ends: 257 [2020-08-18 23:22:41,016 INFO L226 Difference]: Without dead ends: 140 [2020-08-18 23:22:41,021 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 23:22:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-18 23:22:41,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2020-08-18 23:22:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-18 23:22:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-08-18 23:22:41,119 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-08-18 23:22:41,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:41,119 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-08-18 23:22:41,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 23:22:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-08-18 23:22:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 23:22:41,127 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:41,128 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 23:22:41,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:22:41,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:41,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:41,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1100286526, now seen corresponding path program 1 times [2020-08-18 23:22:41,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:41,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418540241] [2020-08-18 23:22:41,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,508 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 23:22:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:22:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:41,558 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 23:22:41,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418540241] [2020-08-18 23:22:41,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:22:41,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:22:41,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508507524] [2020-08-18 23:22:41,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:22:41,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:41,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:22:41,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:22:41,563 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2020-08-18 23:22:41,981 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:22:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:42,647 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2020-08-18 23:22:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:22:42,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 23:22:42,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:42,654 INFO L225 Difference]: With dead ends: 184 [2020-08-18 23:22:42,654 INFO L226 Difference]: Without dead ends: 124 [2020-08-18 23:22:42,657 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 23:22:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-08-18 23:22:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2020-08-18 23:22:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 23:22:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-18 23:22:42,707 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-08-18 23:22:42,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:42,707 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-18 23:22:42,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:22:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-18 23:22:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 23:22:42,719 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:42,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:22:42,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:22:42,720 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:42,721 INFO L82 PathProgramCache]: Analyzing trace with hash 418725032, now seen corresponding path program 1 times [2020-08-18 23:22:42,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:42,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175561152] [2020-08-18 23:22:42,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,124 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:22:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:22:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:43,259 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 23:22:43,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175561152] [2020-08-18 23:22:43,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:22:43,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 23:22:43,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904076535] [2020-08-18 23:22:43,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:22:43,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:22:43,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:22:43,264 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2020-08-18 23:22:43,638 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:22:43,945 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:44,179 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:44,423 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:45,157 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:22:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:46,476 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2020-08-18 23:22:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 23:22:46,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 23:22:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:46,484 INFO L225 Difference]: With dead ends: 345 [2020-08-18 23:22:46,484 INFO L226 Difference]: Without dead ends: 270 [2020-08-18 23:22:46,486 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 23:22:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-08-18 23:22:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2020-08-18 23:22:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-08-18 23:22:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2020-08-18 23:22:46,583 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2020-08-18 23:22:46,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:46,584 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2020-08-18 23:22:46,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:22:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2020-08-18 23:22:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 23:22:46,585 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:46,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:22:46,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:22:46,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:46,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:46,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2030555279, now seen corresponding path program 1 times [2020-08-18 23:22:46,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:46,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964495954] [2020-08-18 23:22:46,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,898 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 23:22:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:46,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:22:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 23:22:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:47,017 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 23:22:47,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964495954] [2020-08-18 23:22:47,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:22:47,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 23:22:47,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822174152] [2020-08-18 23:22:47,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:22:47,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:47,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:22:47,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:22:47,020 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 12 states. [2020-08-18 23:22:47,565 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:22:47,896 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:48,137 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:48,371 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:48,880 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:22:49,733 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:50,100 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:22:50,385 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:22:50,635 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:22:50,876 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:22:51,175 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:22:51,461 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:22:51,731 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:22:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:52,847 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2020-08-18 23:22:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 23:22:52,847 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-18 23:22:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:52,856 INFO L225 Difference]: With dead ends: 855 [2020-08-18 23:22:52,856 INFO L226 Difference]: Without dead ends: 663 [2020-08-18 23:22:52,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 23:22:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-08-18 23:22:53,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2020-08-18 23:22:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-08-18 23:22:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2020-08-18 23:22:53,041 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2020-08-18 23:22:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:53,042 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2020-08-18 23:22:53,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:22:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2020-08-18 23:22:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 23:22:53,044 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:53,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:22:53,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:22:53,045 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:53,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1547213643, now seen corresponding path program 1 times [2020-08-18 23:22:53,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:53,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823589824] [2020-08-18 23:22:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,334 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 23:22:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 23:22:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 23:22:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 23:22:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:53,443 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 23:22:53,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823589824] [2020-08-18 23:22:53,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:22:53,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 23:22:53,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257945937] [2020-08-18 23:22:53,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:22:53,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:53,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:22:53,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:22:53,445 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand 6 states. [2020-08-18 23:22:53,812 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:22:54,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:54,549 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2020-08-18 23:22:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 23:22:54,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-18 23:22:54,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:54,553 INFO L225 Difference]: With dead ends: 961 [2020-08-18 23:22:54,553 INFO L226 Difference]: Without dead ends: 415 [2020-08-18 23:22:54,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:22:54,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-18 23:22:54,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-08-18 23:22:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-08-18 23:22:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-08-18 23:22:54,623 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-08-18 23:22:54,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:54,624 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-08-18 23:22:54,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:22:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-08-18 23:22:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 23:22:54,626 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:22:54,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:22:54,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:22:54,627 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:22:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:22:54,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1956269670, now seen corresponding path program 1 times [2020-08-18 23:22:54,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:22:54,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992137510] [2020-08-18 23:22:54,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:22:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:54,931 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:22:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:22:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:22:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:22:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:54,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:22:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:22:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 23:22:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:22:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:22:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:22:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:22:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 23:22:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 23:22:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-18 23:22:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:22:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 23:22:55,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992137510] [2020-08-18 23:22:55,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:22:55,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:22:55,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214196330] [2020-08-18 23:22:55,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:22:55,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:22:55,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:22:55,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:22:55,104 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 10 states. [2020-08-18 23:22:55,726 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 23:22:56,289 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:22:57,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:22:57,118 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-08-18 23:22:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 23:22:57,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-08-18 23:22:57,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:22:57,119 INFO L225 Difference]: With dead ends: 522 [2020-08-18 23:22:57,119 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:22:57,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:22:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:22:57,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:22:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:22:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:22:57,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-18 23:22:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:22:57,123 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:22:57,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:22:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:22:57,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:22:57,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 23:22:57,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:22:58,112 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 234 [2020-08-18 23:22:58,217 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 232 [2020-08-18 23:23:00,844 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 23:23:01,247 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:01,899 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 23:23:02,062 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 23:23:02,721 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-18 23:23:02,842 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 23:23:02,975 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 23:23:03,364 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:03,748 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:03,944 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:04,116 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 23:23:04,735 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-08-18 23:23:04,875 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 23:23:05,481 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 23:23:06,184 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-08-18 23:23:06,338 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 23:23:06,472 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 23:23:06,636 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 23:23:07,043 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:07,463 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:07,587 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 23:23:08,028 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:08,533 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-18 23:23:08,721 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 23:23:09,145 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 23:23:09,663 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 23:23:10,178 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-18 23:23:10,182 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-08-18 23:23:10,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-08-18 23:23:10,184 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-08-18 23:23:10,184 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-08-18 23:23:10,184 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-08-18 23:23:10,184 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-08-18 23:23:10,184 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 23:23:10,185 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-18 23:23:10,186 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 23:23:10,186 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 23:23:10,186 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 23:23:10,186 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 23:23:10,186 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 23:23:10,186 INFO L264 CegarLoopResult]: At program point L287(line 287) 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 23:23:10,186 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 273 297) the Hoare annotation is: true [2020-08-18 23:23:10,186 INFO L268 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-08-18 23:23:10,187 INFO L264 CegarLoopResult]: At program point L283(line 283) 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 23:23:10,187 INFO L268 CegarLoopResult]: For program point L283-1(line 283) no Hoare annotation was computed. [2020-08-18 23:23:10,187 INFO L268 CegarLoopResult]: For program point L281(lines 281 294) no Hoare annotation was computed. [2020-08-18 23:23:10,187 INFO L268 CegarLoopResult]: For program point L281-1(lines 273 297) no Hoare annotation was computed. [2020-08-18 23:23:10,187 INFO L271 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: true [2020-08-18 23:23:10,187 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 23:23:10,187 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 273 297) no Hoare annotation was computed. [2020-08-18 23:23:10,188 INFO L264 CegarLoopResult]: At program point L161(line 161) 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 23:23:10,188 INFO L264 CegarLoopResult]: At program point L161-1(line 161) 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 23:23:10,188 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 155 177) 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 23:23:10,188 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 155 177) no Hoare annotation was computed. [2020-08-18 23:23:10,188 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 155 177) no Hoare annotation was computed. [2020-08-18 23:23:10,189 INFO L264 CegarLoopResult]: At program point L167(line 167) 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 23:23:10,189 INFO L264 CegarLoopResult]: At program point L167-1(line 167) 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 23:23:10,189 INFO L268 CegarLoopResult]: For program point L165(lines 165 172) no Hoare annotation was computed. [2020-08-18 23:23:10,189 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 172) no Hoare annotation was computed. [2020-08-18 23:23:10,189 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 23:23:10,189 INFO L264 CegarLoopResult]: At program point L162(line 162) 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 23:23:10,190 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-08-18 23:23:10,190 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-08-18 23:23:10,191 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 23:23:10,192 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-08-18 23:23:10,192 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 23:23:10,192 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 867 881) no Hoare annotation was computed. [2020-08-18 23:23:10,192 INFO L264 CegarLoopResult]: At program point L873(line 873) 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 23:23:10,192 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-08-18 23:23:10,192 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 867 881) 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 23:23:10,193 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 867 881) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 822 830) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point L850(lines 850 858) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 858) no Hoare annotation was computed. [2020-08-18 23:23:10,193 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 831 866) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 831 866) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 831 866) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-08-18 23:23:10,194 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-08-18 23:23:10,195 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 145 154) 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 23:23:10,196 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 145 154) no Hoare annotation was computed. [2020-08-18 23:23:10,196 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 145 154) no Hoare annotation was computed. [2020-08-18 23:23:10,196 INFO L271 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: true [2020-08-18 23:23:10,196 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 811 821) the Hoare annotation is: true [2020-08-18 23:23:10,196 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-08-18 23:23:10,196 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 811 821) no Hoare annotation was computed. [2020-08-18 23:23:10,196 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 811 821) no Hoare annotation was computed. [2020-08-18 23:23:10,197 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2020-08-18 23:23:10,197 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2020-08-18 23:23:10,197 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 803 810) no Hoare annotation was computed. [2020-08-18 23:23:10,197 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 770 794) no Hoare annotation was computed. [2020-08-18 23:23:10,197 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 23:23:10,197 INFO L268 CegarLoopResult]: For program point L789-1(lines 770 794) no Hoare annotation was computed. [2020-08-18 23:23:10,197 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 770 794) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 23:23:10,198 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:23:10,198 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:23:10,198 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-08-18 23:23:10,198 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:23:10,198 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-08-18 23:23:10,198 INFO L268 CegarLoopResult]: For program point L774(lines 774 791) no Hoare annotation was computed. [2020-08-18 23:23:10,199 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 762 768) no Hoare annotation was computed. [2020-08-18 23:23:10,199 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 762 768) the Hoare annotation is: true [2020-08-18 23:23:10,199 INFO L264 CegarLoopResult]: At program point testENTRY(lines 666 731) 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 23:23:10,199 INFO L264 CegarLoopResult]: At program point L698(line 698) 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 23:23:10,199 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-08-18 23:23:10,199 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-08-18 23:23:10,199 INFO L268 CegarLoopResult]: For program point testFINAL(lines 666 731) no Hoare annotation was computed. [2020-08-18 23:23:10,200 INFO L264 CegarLoopResult]: At program point L721(lines 676 723) 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 23:23:10,200 INFO L264 CegarLoopResult]: At program point L688(line 688) 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 23:23:10,200 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-08-18 23:23:10,200 INFO L268 CegarLoopResult]: For program point L686-1(lines 686 692) no Hoare annotation was computed. [2020-08-18 23:23:10,200 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-08-18 23:23:10,200 INFO L264 CegarLoopResult]: At program point L724(lines 675 725) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:23:10,200 INFO L264 CegarLoopResult]: At program point L714(line 714) 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 23:23:10,201 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-18 23:23:10,201 INFO L264 CegarLoopResult]: At program point L712-1(lines 706 719) 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 23:23:10,201 INFO L268 CegarLoopResult]: For program point L677(lines 676 723) no Hoare annotation was computed. [2020-08-18 23:23:10,201 INFO L268 CegarLoopResult]: For program point testEXIT(lines 666 731) no Hoare annotation was computed. [2020-08-18 23:23:10,201 INFO L268 CegarLoopResult]: For program point L706(lines 706 719) no Hoare annotation was computed. [2020-08-18 23:23:10,201 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-08-18 23:23:10,201 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 239 261) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 239 261) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-08-18 23:23:10,202 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 239 261) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-08-18 23:23:10,203 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-08-18 23:23:10,204 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-08-18 23:23:10,205 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-08-18 23:23:10,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,205 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 23:23:10,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,205 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 795 802) no Hoare annotation was computed. [2020-08-18 23:23:10,205 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 795 802) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 795 802) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 262 270) the Hoare annotation is: true [2020-08-18 23:23:10,206 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 262 270) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 262 270) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L268 CegarLoopResult]: For program point L222-1(lines 218 229) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 218 229) 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 23:23:10,206 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 218 229) no Hoare annotation was computed. [2020-08-18 23:23:10,206 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,207 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,207 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,207 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 738 761) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 23:23:10,207 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 23:23:10,207 INFO L264 CegarLoopResult]: At program point L749(lines 749 755) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 23:23:10,207 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 738 761) no Hoare annotation was computed. [2020-08-18 23:23:10,208 INFO L264 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 23:23:10,208 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 738 761) no Hoare annotation was computed. [2020-08-18 23:23:10,208 INFO L268 CegarLoopResult]: For program point L742(lines 741 760) no Hoare annotation was computed. [2020-08-18 23:23:10,208 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-08-18 23:23:10,208 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-08-18 23:23:10,208 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-08-18 23:23:10,208 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-08-18 23:23:10,209 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 23:23:10,209 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-08-18 23:23:10,209 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-08-18 23:23:10,209 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-08-18 23:23:10,209 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-08-18 23:23:10,209 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-08-18 23:23:10,209 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 230 238) the Hoare annotation is: true [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 230 238) no Hoare annotation was computed. [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 230 238) no Hoare annotation was computed. [2020-08-18 23:23:10,210 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 194 205) the Hoare annotation is: true [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 194 205) no Hoare annotation was computed. [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point L198-1(lines 194 205) no Hoare annotation was computed. [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-08-18 23:23:10,210 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-08-18 23:23:10,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,211 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 23:23:10,211 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 23:23:10,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:23:10,211 INFO L268 CegarLoopResult]: For program point L210-1(lines 206 217) no Hoare annotation was computed. [2020-08-18 23:23:10,211 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 206 217) no Hoare annotation was computed. [2020-08-18 23:23:10,211 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 206 217) 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 23:23:10,211 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2020-08-18 23:23:10,212 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2020-08-18 23:23:10,212 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2020-08-18 23:23:10,212 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2020-08-18 23:23:10,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:23:10 BoogieIcfgContainer [2020-08-18 23:23:10,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 23:23:10,238 INFO L168 Benchmark]: Toolchain (without parser) took 33116.16 ms. Allocated memory was 140.5 MB in the beginning and 681.1 MB in the end (delta: 540.5 MB). Free memory was 102.3 MB in the beginning and 549.3 MB in the end (delta: -447.0 MB). Peak memory consumption was 553.4 MB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,238 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.75 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 170.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,240 INFO L168 Benchmark]: Boogie Preprocessor took 129.66 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,241 INFO L168 Benchmark]: RCFGBuilder took 1143.00 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 198.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,242 INFO L168 Benchmark]: TraceAbstraction took 31230.56 ms. Allocated memory was 237.0 MB in the beginning and 681.1 MB in the end (delta: 444.1 MB). Free memory was 196.6 MB in the beginning and 549.3 MB in the end (delta: -352.7 MB). Peak memory consumption was 551.3 MB. Max. memory is 7.1 GB. [2020-08-18 23:23:10,245 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.75 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.1 MB in the beginning and 170.2 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.66 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 166.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.00 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 198.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31230.56 ms. Allocated memory was 237.0 MB in the beginning and 681.1 MB in the end (delta: 444.1 MB). Free memory was 196.6 MB in the beginning and 549.3 MB in the end (delta: -352.7 MB). Peak memory consumption was 551.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 675]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 676]: 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) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 562 SDtfs, 1208 SDslu, 544 SDs, 0 SdLazy, 2748 SolverSat, 815 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 115 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 67347 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 21687 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 105112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 16/23 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...