/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:27:13,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:27:13,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:27:13,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:27:13,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:27:13,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:27:13,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:27:13,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:27:13,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:27:13,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:27:13,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:27:13,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:27:13,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:27:13,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:27:13,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:27:13,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:27:13,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:27:13,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:27:13,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:27:13,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:27:13,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:27:13,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:27:13,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:27:13,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:27:13,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:27:13,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:27:13,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:27:13,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:27:13,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:27:13,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:27:13,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:27:13,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:27:13,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:27:13,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:27:13,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:27:13,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:27:13,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:27:13,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:27:13,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:27:13,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:27:13,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:27:13,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 00:27:13,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:27:13,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:27:13,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:27:13,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:27:13,876 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:27:13,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:27:13,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:27:13,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:27:13,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:27:13,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:27:13,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:27:13,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:27:13,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:27:13,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:27:13,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:27:13,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:27:13,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:27:13,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:27:13,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:27:13,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:27:13,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:27:13,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:27:13,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:27:13,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:27:13,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:27:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:27:14,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:27:14,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:27:14,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:27:14,234 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:27:14,235 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-22 00:27:14,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d53ab5619/4410674b2ed2495089e6178c9e7c578a/FLAGac5122fa6 [2020-08-22 00:27:14,751 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:27:14,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-22 00:27:14,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d53ab5619/4410674b2ed2495089e6178c9e7c578a/FLAGac5122fa6 [2020-08-22 00:27:15,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d53ab5619/4410674b2ed2495089e6178c9e7c578a [2020-08-22 00:27:15,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:27:15,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:27:15,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:15,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:27:15,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:27:15,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572ce4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15, skipping insertion in model container [2020-08-22 00:27:15,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:27:15,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:27:15,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:15,680 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:27:15,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:15,787 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:27:15,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15 WrapperNode [2020-08-22 00:27:15,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:15,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:27:15,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:27:15,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:27:15,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... [2020-08-22 00:27:15,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:27:15,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:27:15,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:27:15,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:27:15,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:27:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:27:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:27:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 00:27:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 00:27:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 00:27:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 00:27:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 00:27:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 00:27:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 00:27:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 00:27:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 00:27:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 00:27:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 00:27:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 00:27:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 00:27:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 00:27:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:27:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 00:27:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 00:27:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 00:27:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-22 00:27:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 00:27:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 00:27:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 00:27:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 00:27:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 00:27:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 00:27:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 00:27:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 00:27:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 00:27:16,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 00:27:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:27:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:27:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 00:27:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 00:27:16,021 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 00:27:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 00:27:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 00:27:16,024 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 00:27:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:27:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:27:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:27:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:27:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:27:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:16,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:27:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 00:27:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 00:27:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 00:27:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 00:27:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 00:27:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 00:27:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 00:27:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 00:27:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 00:27:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 00:27:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 00:27:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:27:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 00:27:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:27:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 00:27:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:27:17,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:27:17,192 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 00:27:17,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:17 BoogieIcfgContainer [2020-08-22 00:27:17,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:27:17,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:27:17,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:27:17,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:27:17,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:27:15" (1/3) ... [2020-08-22 00:27:17,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e313ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:17, skipping insertion in model container [2020-08-22 00:27:17,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:15" (2/3) ... [2020-08-22 00:27:17,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e313ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:17, skipping insertion in model container [2020-08-22 00:27:17,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:17" (3/3) ... [2020-08-22 00:27:17,213 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-08-22 00:27:17,224 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:27:17,235 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:27:17,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:27:17,283 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:27:17,283 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:27:17,284 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:27:17,284 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:27:17,285 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:27:17,285 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:27:17,285 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:27:17,285 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:27:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-22 00:27:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 00:27:17,323 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:17,324 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] [2020-08-22 00:27:17,324 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:17,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:17,329 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2020-08-22 00:27:17,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:17,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912786257] [2020-08-22 00:27:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,110 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:18,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:27:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:27:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:18,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912786257] [2020-08-22 00:27:18,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:18,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 00:27:18,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772188928] [2020-08-22 00:27:18,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 00:27:18,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:18,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 00:27:18,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 00:27:18,244 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-08-22 00:27:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:19,280 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-22 00:27:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 00:27:19,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 00:27:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:19,299 INFO L225 Difference]: With dead ends: 243 [2020-08-22 00:27:19,300 INFO L226 Difference]: Without dead ends: 132 [2020-08-22 00:27:19,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 00:27:19,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-22 00:27:19,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-22 00:27:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-22 00:27:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-22 00:27:19,395 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-22 00:27:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:19,396 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-22 00:27:19,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 00:27:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-22 00:27:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 00:27:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:19,400 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] [2020-08-22 00:27:19,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:27:19,400 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:19,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:19,401 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2020-08-22 00:27:19,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:19,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216169619] [2020-08-22 00:27:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,755 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:27:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 00:27:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:19,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216169619] [2020-08-22 00:27:19,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:19,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 00:27:19,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21350648] [2020-08-22 00:27:19,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 00:27:19,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:19,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 00:27:19,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 00:27:19,849 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-22 00:27:20,318 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:27:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:20,945 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-22 00:27:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:27:20,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 00:27:20,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:20,950 INFO L225 Difference]: With dead ends: 176 [2020-08-22 00:27:20,950 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 00:27:20,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:27:20,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 00:27:21,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-22 00:27:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-22 00:27:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-22 00:27:21,025 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-22 00:27:21,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:21,025 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-22 00:27:21,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 00:27:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-22 00:27:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 00:27:21,028 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:21,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:21,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:27:21,029 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2020-08-22 00:27:21,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:21,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964540138] [2020-08-22 00:27:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,362 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:27:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 00:27:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:21,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964540138] [2020-08-22 00:27:21,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:21,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 00:27:21,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616508043] [2020-08-22 00:27:21,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:27:21,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:21,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:27:21,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:27:21,438 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-22 00:27:21,793 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:22,095 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:22,351 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:22,581 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:23,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:23,547 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-22 00:27:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:27:23,549 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-22 00:27:23,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:23,551 INFO L225 Difference]: With dead ends: 185 [2020-08-22 00:27:23,551 INFO L226 Difference]: Without dead ends: 116 [2020-08-22 00:27:23,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:27:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-22 00:27:23,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-22 00:27:23,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-22 00:27:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-22 00:27:23,592 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-22 00:27:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:23,592 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-22 00:27:23,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:27:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-22 00:27:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 00:27:23,595 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:23,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:23,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:27:23,595 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:23,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:23,596 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2020-08-22 00:27:23,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:23,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132726087] [2020-08-22 00:27:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:23,930 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:23,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-22 00:27:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 00:27:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 00:27:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:24,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132726087] [2020-08-22 00:27:24,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:24,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 00:27:24,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741584587] [2020-08-22 00:27:24,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:27:24,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:24,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:27:24,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:27:24,066 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-22 00:27:24,509 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:24,810 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:25,059 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:25,293 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:25,854 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:27:26,526 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:26,886 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:27,165 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:27,401 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:27,657 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:27:28,001 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:28,308 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:28,562 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:29,455 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-22 00:27:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 00:27:29,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-22 00:27:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:29,461 INFO L225 Difference]: With dead ends: 352 [2020-08-22 00:27:29,462 INFO L226 Difference]: Without dead ends: 283 [2020-08-22 00:27:29,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-22 00:27:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-22 00:27:29,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-22 00:27:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-22 00:27:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-22 00:27:29,559 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-22 00:27:29,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:29,561 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-22 00:27:29,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:27:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-22 00:27:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-22 00:27:29,570 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:29,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:29,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:27:29,571 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:29,571 INFO L82 PathProgramCache]: Analyzing trace with hash 234743316, now seen corresponding path program 1 times [2020-08-22 00:27:29,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:29,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318504759] [2020-08-22 00:27:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,841 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:29,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 00:27:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 00:27:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 00:27:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 00:27:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:29,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318504759] [2020-08-22 00:27:29,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:29,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 00:27:29,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029324371] [2020-08-22 00:27:29,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 00:27:29,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:29,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 00:27:29,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:27:29,943 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-22 00:27:30,232 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:30,686 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-22 00:27:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:27:30,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-22 00:27:30,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:30,689 INFO L225 Difference]: With dead ends: 357 [2020-08-22 00:27:30,689 INFO L226 Difference]: Without dead ends: 163 [2020-08-22 00:27:30,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 00:27:30,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-22 00:27:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-22 00:27:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-22 00:27:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-22 00:27:30,721 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-22 00:27:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:30,722 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-22 00:27:30,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 00:27:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-22 00:27:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-22 00:27:30,723 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:30,724 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 00:27:30,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:27:30,724 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1969970811, now seen corresponding path program 1 times [2020-08-22 00:27:30,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:30,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065454810] [2020-08-22 00:27:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,019 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 00:27:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 00:27:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:27:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:27:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 00:27:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 00:27:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 00:27:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 00:27:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 00:27:31,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065454810] [2020-08-22 00:27:31,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:27:31,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:27:31,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311073857] [2020-08-22 00:27:31,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:27:31,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:31,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:27:31,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:27:31,240 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-22 00:27:31,814 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 00:27:32,402 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:32,959 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-22 00:27:32,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:27:32,959 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-22 00:27:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:32,960 INFO L225 Difference]: With dead ends: 203 [2020-08-22 00:27:32,960 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:27:32,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 00:27:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:27:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:27:32,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:27:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:27:32,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-22 00:27:32,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:32,963 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:27:32,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:27:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:27:32,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:27:32,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:27:32,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:27:34,545 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-22 00:27:35,479 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:27:35,884 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:36,365 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:36,518 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:36,780 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:37,422 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-22 00:27:37,597 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:38,328 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-22 00:27:39,067 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:27:39,564 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 00:27:39,962 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:40,366 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:40,955 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-22 00:27:41,146 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:41,612 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:41,773 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:42,160 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-22 00:27:42,547 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-22 00:27:42,976 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-22 00:27:43,616 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-22 00:27:43,669 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-22 00:27:43,670 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2020-08-22 00:27:43,671 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2020-08-22 00:27:43,672 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2020-08-22 00:27:43,672 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2020-08-22 00:27:43,672 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:27:43,672 INFO L268 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-08-22 00:27:43,672 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2020-08-22 00:27:43,672 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-08-22 00:27:43,672 INFO L268 CegarLoopResult]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2020-08-22 00:27:43,673 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-08-22 00:27:43,673 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-08-22 00:27:43,673 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2020-08-22 00:27:43,673 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:27:43,673 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-08-22 00:27:43,674 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,674 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2020-08-22 00:27:43,674 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2020-08-22 00:27:43,674 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:27:43,674 INFO L264 CegarLoopResult]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:27:43,674 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-08-22 00:27:43,674 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2020-08-22 00:27:43,675 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-08-22 00:27:43,675 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,675 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,675 INFO L264 CegarLoopResult]: At program point L612-1(line 612) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,675 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-22 00:27:43,676 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-22 00:27:43,677 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2020-08-22 00:27:43,678 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2020-08-22 00:27:43,679 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2020-08-22 00:27:43,679 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2020-08-22 00:27:43,679 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-22 00:27:43,679 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2020-08-22 00:27:43,680 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-22 00:27:43,681 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-22 00:27:43,682 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-22 00:27:43,682 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-22 00:27:43,682 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,682 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2020-08-22 00:27:43,683 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2020-08-22 00:27:43,683 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2020-08-22 00:27:43,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2020-08-22 00:27:43,683 INFO L271 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: true [2020-08-22 00:27:43,683 INFO L268 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-08-22 00:27:43,683 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2020-08-22 00:27:43,684 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2020-08-22 00:27:43,684 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2020-08-22 00:27:43,684 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2020-08-22 00:27:43,684 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:27:43,684 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-08-22 00:27:43,685 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-08-22 00:27:43,685 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2020-08-22 00:27:43,685 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:27:43,685 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:27:43,685 INFO L268 CegarLoopResult]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2020-08-22 00:27:43,685 INFO L264 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:27:43,685 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:27:43,686 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-08-22 00:27:43,686 INFO L264 CegarLoopResult]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 00:27:43,686 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-22 00:27:43,686 INFO L264 CegarLoopResult]: At program point L828-2(lines 822 833) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:27:43,686 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-08-22 00:27:43,686 INFO L268 CegarLoopResult]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2020-08-22 00:27:43,686 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-08-22 00:27:43,687 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:27:43,687 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-08-22 00:27:43,687 INFO L268 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-08-22 00:27:43,687 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:27:43,687 INFO L264 CegarLoopResult]: At program point L835(lines 792 837) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:27:43,687 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-22 00:27:43,688 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-22 00:27:43,689 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-22 00:27:43,690 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2020-08-22 00:27:43,691 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,692 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.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)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-22 00:27:43,692 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,692 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-22 00:27:43,692 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-08-22 00:27:43,692 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-22 00:27:43,693 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-22 00:27:43,694 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-22 00:27:43,695 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 1 ~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))) [2020-08-22 00:27:43,695 INFO L268 CegarLoopResult]: For program point L639(lines 638 657) no Hoare annotation was computed. [2020-08-22 00:27:43,696 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:27:43,696 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2020-08-22 00:27:43,696 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:27:43,696 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2020-08-22 00:27:43,696 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:27:43,696 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-08-22 00:27:43,696 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2020-08-22 00:27:43,697 INFO L271 CegarLoopResult]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2020-08-22 00:27:43,697 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 00:27:43,697 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2020-08-22 00:27:43,697 INFO L271 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2020-08-22 00:27:43,697 INFO L271 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: true [2020-08-22 00:27:43,697 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-08-22 00:27:43,697 INFO L271 CegarLoopResult]: At program point L555(lines 530 559) the Hoare annotation is: true [2020-08-22 00:27:43,697 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-22 00:27:43,698 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-22 00:27:43,698 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-22 00:27:43,698 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-22 00:27:43,698 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2020-08-22 00:27:43,698 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2020-08-22 00:27:43,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 00:27:43,698 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:27:43,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:27:43,699 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-22 00:27:43,699 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-22 00:27:43,700 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-22 00:27:43,700 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-22 00:27:43,700 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-22 00:27:43,700 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-22 00:27:43,701 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-22 00:27:43,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:27:43 BoogieIcfgContainer [2020-08-22 00:27:43,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:27:43,728 INFO L168 Benchmark]: Toolchain (without parser) took 28604.16 ms. Allocated memory was 138.9 MB in the beginning and 658.5 MB in the end (delta: 519.6 MB). Free memory was 100.9 MB in the beginning and 574.2 MB in the end (delta: -473.3 MB). Peak memory consumption was 542.0 MB. Max. memory is 7.1 GB. [2020-08-22 00:27:43,731 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 00:27:43,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.37 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 169.1 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-22 00:27:43,733 INFO L168 Benchmark]: Boogie Preprocessor took 109.44 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 164.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 00:27:43,744 INFO L168 Benchmark]: RCFGBuilder took 1304.10 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.9 MB in the beginning and 198.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-08-22 00:27:43,745 INFO L168 Benchmark]: TraceAbstraction took 26521.19 ms. Allocated memory was 233.3 MB in the beginning and 658.5 MB in the end (delta: 425.2 MB). Free memory was 198.3 MB in the beginning and 574.2 MB in the end (delta: -375.9 MB). Peak memory consumption was 545.1 MB. Max. memory is 7.1 GB. [2020-08-22 00:27:43,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.37 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 169.1 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.44 ms. Allocated memory is still 201.3 MB. Free memory was 169.1 MB in the beginning and 164.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1304.10 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.9 MB in the beginning and 198.3 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26521.19 ms. Allocated memory was 233.3 MB in the beginning and 658.5 MB in the end (delta: 425.2 MB). Free memory was 198.3 MB in the beginning and 574.2 MB in the end (delta: -375.9 MB). Peak memory consumption was 545.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 989 SDslu, 343 SDs, 0 SdLazy, 2114 SolverSat, 643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...