/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:38:08,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:38:08,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:38:08,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:38:08,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:38:08,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:38:08,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:38:08,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:38:08,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:38:08,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:38:08,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:38:08,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:38:08,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:38:08,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:38:08,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:38:08,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:38:08,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:38:08,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:38:08,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:38:08,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:38:08,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:38:08,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:38:08,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:38:08,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:38:08,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:38:08,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:38:08,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:38:08,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:38:08,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:38:08,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:38:08,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:38:08,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:38:08,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:38:08,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:38:08,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:38:08,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:38:08,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:38:08,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:38:08,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:38:08,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:38:08,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:38:08,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 17:38:08,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:38:08,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:38:08,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:38:08,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:38:08,957 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:38:08,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:38:08,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:38:08,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:38:08,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:38:08,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:38:08,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:38:08,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:38:08,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:38:08,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:38:08,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:38:08,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:38:08,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:08,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:38:08,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:38:08,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:38:08,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:38:08,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:38:08,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:38:08,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:38:08,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:38:09,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:38:09,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:38:09,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:38:09,302 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:38:09,302 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:38:09,303 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-08-18 17:38:09,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fcdeb6f/bb9ce18bda9148bfb6c52a84689f989b/FLAGc956a9313 [2020-08-18 17:38:09,904 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:38:09,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2020-08-18 17:38:09,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fcdeb6f/bb9ce18bda9148bfb6c52a84689f989b/FLAGc956a9313 [2020-08-18 17:38:10,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fcdeb6f/bb9ce18bda9148bfb6c52a84689f989b [2020-08-18 17:38:10,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:38:10,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:38:10,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:38:10,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:38:10,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389f1ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10, skipping insertion in model container [2020-08-18 17:38:10,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:38:10,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:38:10,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,661 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:38:10,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,795 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:38:10,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10 WrapperNode [2020-08-18 17:38:10,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:38:10,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:38:10,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:38:10,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:38:10,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:38:10,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:38:10,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:38:10,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:38:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:38:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:38:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:38:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:38:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 17:38:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:38:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:38:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:38:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:38:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:38:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 17:38:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:38:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:38:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:38:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:38:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:38:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:38:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:38:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:38:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:38:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:38:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:38:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:38:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:38:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:38:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:38:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:38:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:38:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:38:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:38:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:38:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:38:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:38:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:38:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 17:38:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:38:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:38:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:38:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:38:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:38:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:38:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:38:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:38:12,156 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:38:12,157 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:38:12,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12 BoogieIcfgContainer [2020-08-18 17:38:12,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:38:12,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:38:12,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:38:12,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:38:12,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:38:10" (1/3) ... [2020-08-18 17:38:12,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740ba100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (2/3) ... [2020-08-18 17:38:12,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740ba100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12" (3/3) ... [2020-08-18 17:38:12,172 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-08-18 17:38:12,184 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:38:12,192 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:38:12,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:38:12,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:38:12,233 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:38:12,233 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:38:12,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:38:12,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:38:12,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:38:12,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:38:12,235 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:38:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-08-18 17:38:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:38:12,269 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:12,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:12,270 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:12,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:12,280 INFO L82 PathProgramCache]: Analyzing trace with hash -2135633634, now seen corresponding path program 1 times [2020-08-18 17:38:12,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:12,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747795917] [2020-08-18 17:38:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,920 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:38:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:13,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747795917] [2020-08-18 17:38:13,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:13,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:38:13,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251786568] [2020-08-18 17:38:13,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:38:13,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:38:13,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:13,057 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-08-18 17:38:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:14,169 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-18 17:38:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:38:14,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:38:14,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:14,187 INFO L225 Difference]: With dead ends: 228 [2020-08-18 17:38:14,187 INFO L226 Difference]: Without dead ends: 125 [2020-08-18 17:38:14,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:14,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-18 17:38:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-18 17:38:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-18 17:38:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-18 17:38:14,285 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-18 17:38:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:14,285 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-18 17:38:14,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:38:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-18 17:38:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:38:14,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:14,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:14,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:38:14,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:14,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:14,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1443818456, now seen corresponding path program 1 times [2020-08-18 17:38:14,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:14,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638084768] [2020-08-18 17:38:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,626 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:14,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:38:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:14,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638084768] [2020-08-18 17:38:14,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:14,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:38:14,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512537454] [2020-08-18 17:38:14,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:38:14,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:14,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:38:14,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:38:14,678 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-18 17:38:15,144 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:15,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:15,631 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-18 17:38:15,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:38:15,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:38:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:15,636 INFO L225 Difference]: With dead ends: 148 [2020-08-18 17:38:15,636 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 17:38:15,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:38:15,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 17:38:15,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-18 17:38:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-18 17:38:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-18 17:38:15,677 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-18 17:38:15,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:15,678 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-18 17:38:15,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:38:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-18 17:38:15,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:38:15,680 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:15,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:15,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:38:15,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:15,682 INFO L82 PathProgramCache]: Analyzing trace with hash 870802390, now seen corresponding path program 1 times [2020-08-18 17:38:15,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:15,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76932833] [2020-08-18 17:38:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,050 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:38:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:16,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76932833] [2020-08-18 17:38:16,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:16,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:16,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680415611] [2020-08-18 17:38:16,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:16,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:16,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:16,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:16,153 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-18 17:38:16,528 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:16,877 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,144 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,375 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:18,121 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:19,150 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-18 17:38:19,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:19,151 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 17:38:19,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:19,157 INFO L225 Difference]: With dead ends: 302 [2020-08-18 17:38:19,160 INFO L226 Difference]: Without dead ends: 241 [2020-08-18 17:38:19,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:19,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-18 17:38:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-18 17:38:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-18 17:38:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-18 17:38:19,221 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-18 17:38:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:19,222 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-18 17:38:19,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-18 17:38:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 17:38:19,224 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:19,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:19,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:38:19,225 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:19,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1258139816, now seen corresponding path program 1 times [2020-08-18 17:38:19,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:19,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034563511] [2020-08-18 17:38:19,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,529 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:19,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:38:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 17:38:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 17:38:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:19,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034563511] [2020-08-18 17:38:19,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:19,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:38:19,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264482207] [2020-08-18 17:38:19,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:38:19,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:19,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:38:19,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:38:19,601 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2020-08-18 17:38:19,989 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:20,970 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:21,245 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:21,496 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:21,713 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:21,983 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:22,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:22,303 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2020-08-18 17:38:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:22,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-18 17:38:22,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:22,310 INFO L225 Difference]: With dead ends: 521 [2020-08-18 17:38:22,310 INFO L226 Difference]: Without dead ends: 373 [2020-08-18 17:38:22,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:22,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-08-18 17:38:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2020-08-18 17:38:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-08-18 17:38:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2020-08-18 17:38:22,385 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2020-08-18 17:38:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:22,385 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2020-08-18 17:38:22,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:38:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2020-08-18 17:38:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 17:38:22,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:22,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:22,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:38:22,389 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:22,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1200680476, now seen corresponding path program 1 times [2020-08-18 17:38:22,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:22,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788277523] [2020-08-18 17:38:22,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,727 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 17:38:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:38:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 17:38:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 17:38:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:22,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788277523] [2020-08-18 17:38:22,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:22,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:22,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365136864] [2020-08-18 17:38:22,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:22,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:22,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:22,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:22,830 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2020-08-18 17:38:23,244 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:24,057 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:24,344 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:24,569 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:24,715 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2020-08-18 17:38:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:38:24,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 17:38:24,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:24,716 INFO L225 Difference]: With dead ends: 609 [2020-08-18 17:38:24,716 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:38:24,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:38:24,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:38:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:38:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:38:24,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-18 17:38:24,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:24,721 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:38:24,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:38:24,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:38:24,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:38:24,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:38:27,439 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:27,629 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:28,179 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-08-18 17:38:28,362 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:28,578 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 17:38:28,757 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:28,931 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:29,264 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 17:38:29,429 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:29,586 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:29,882 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 17:38:30,079 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:30,242 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:30,565 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 17:38:30,732 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:38:31,040 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 17:38:31,194 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 17:38:31,351 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:31,557 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:31,855 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 17:38:32,154 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-18 17:38:32,326 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:32,331 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-18 17:38:32,331 INFO L268 CegarLoopResult]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 477 532) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point L524(lines 501 525) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2020-08-18 17:38:32,332 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-08-18 17:38:32,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2020-08-18 17:38:32,333 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-08-18 17:38:32,333 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-08-18 17:38:32,333 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 17:38:32,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2020-08-18 17:38:32,334 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2020-08-18 17:38:32,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2020-08-18 17:38:32,334 INFO L268 CegarLoopResult]: For program point L585(lines 558 586) no Hoare annotation was computed. [2020-08-18 17:38:32,334 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 17:38:32,334 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 382 388) the Hoare annotation is: true [2020-08-18 17:38:32,335 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 382 388) no Hoare annotation was computed. [2020-08-18 17:38:32,335 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 389 397) no Hoare annotation was computed. [2020-08-18 17:38:32,335 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 389 397) the Hoare annotation is: true [2020-08-18 17:38:32,335 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 389 397) no Hoare annotation was computed. [2020-08-18 17:38:32,335 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 863 885) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,335 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 863 885) no Hoare annotation was computed. [2020-08-18 17:38:32,336 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 863 885) no Hoare annotation was computed. [2020-08-18 17:38:32,336 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:38:32,336 INFO L264 CegarLoopResult]: At program point L875-1(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:38:32,336 INFO L268 CegarLoopResult]: For program point L873(lines 873 880) no Hoare annotation was computed. [2020-08-18 17:38:32,336 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 880) no Hoare annotation was computed. [2020-08-18 17:38:32,336 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-08-18 17:38:32,337 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,337 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,337 INFO L264 CegarLoopResult]: At program point L869-1(line 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,337 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-08-18 17:38:32,337 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-08-18 17:38:32,337 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 822 845) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 822 845) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 822 845) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-08-18 17:38:32,338 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-08-18 17:38:32,339 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 247 261) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 247 261) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 247 261) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 157 164) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 157 164) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 157 164) no Hoare annotation was computed. [2020-08-18 17:38:32,340 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 202 210) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 202 210) the Hoare annotation is: true [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 202 210) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point L241-1(line 241) no Hoare annotation was computed. [2020-08-18 17:38:32,341 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 211 246) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 211 246) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 211 246) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 375 381) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 375 381) the Hoare annotation is: true [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2020-08-18 17:38:32,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 431 476) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 744 789) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point L758(lines 758 778) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point L758-1(lines 758 778) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2020-08-18 17:38:32,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 853 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 853 862) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 853 862) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 191 201) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 191 201) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 191 201) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 17:38:32,344 INFO L268 CegarLoopResult]: For program point L196-1(line 196) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: true [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 150 156) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 150 156) the Hoare annotation is: true [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L264 CegarLoopResult]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-08-18 17:38:32,345 INFO L268 CegarLoopResult]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2020-08-18 17:38:32,346 INFO L264 CegarLoopResult]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:32,346 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,346 INFO L268 CegarLoopResult]: For program point L94(lines 94 100) no Hoare annotation was computed. [2020-08-18 17:38:32,346 INFO L264 CegarLoopResult]: At program point L94-1(lines 86 101) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,346 INFO L268 CegarLoopResult]: For program point L57(lines 56 105) no Hoare annotation was computed. [2020-08-18 17:38:32,346 INFO L264 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,347 INFO L268 CegarLoopResult]: For program point L86(lines 86 101) no Hoare annotation was computed. [2020-08-18 17:38:32,347 INFO L264 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,347 INFO L268 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-08-18 17:38:32,347 INFO L268 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-08-18 17:38:32,347 INFO L264 CegarLoopResult]: At program point L103(lines 56 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,347 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:32,347 INFO L268 CegarLoopResult]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 698 743) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point L712(lines 712 732) no Hoare annotation was computed. [2020-08-18 17:38:32,348 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 732) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 328 350) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 365 374) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 365 374) no Hoare annotation was computed. [2020-08-18 17:38:32,349 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 365 374) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point L665(lines 643 666) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point L624(lines 624 640) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point L684(lines 684 691) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point L645(lines 644 664) no Hoare annotation was computed. [2020-08-18 17:38:32,350 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L641(lines 641 682) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L683(lines 683 694) no Hoare annotation was computed. [2020-08-18 17:38:32,351 INFO L268 CegarLoopResult]: For program point L646(lines 646 650) no Hoare annotation was computed. [2020-08-18 17:38:32,352 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2020-08-18 17:38:32,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,352 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.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~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:38:32,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,352 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-18 17:38:32,352 INFO L268 CegarLoopResult]: For program point L177-1(lines 166 182) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 166 182) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 166 182) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2020-08-18 17:38:32,353 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 351 359) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,354 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:32,354 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2020-08-18 17:38:32,355 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-08-18 17:38:32,355 INFO L264 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:32,355 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-08-18 17:38:32,355 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 17:38:32,355 INFO L268 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-08-18 17:38:32,355 INFO L271 CegarLoopResult]: At program point L802-2(lines 802 816) the Hoare annotation is: true [2020-08-18 17:38:32,355 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 792 821) no Hoare annotation was computed. [2020-08-18 17:38:32,355 INFO L271 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: true [2020-08-18 17:38:32,356 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-18 17:38:32,356 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 792 821) the Hoare annotation is: true [2020-08-18 17:38:32,356 INFO L271 CegarLoopResult]: At program point L817(lines 792 821) the Hoare annotation is: true [2020-08-18 17:38:32,356 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-18 17:38:32,356 INFO L268 CegarLoopResult]: For program point L806(lines 806 810) no Hoare annotation was computed. [2020-08-18 17:38:32,356 INFO L271 CegarLoopResult]: At program point L806-1(lines 806 810) the Hoare annotation is: true [2020-08-18 17:38:32,356 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-08-18 17:38:32,356 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2020-08-18 17:38:32,356 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2020-08-18 17:38:32,357 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2020-08-18 17:38:32,357 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2020-08-18 17:38:32,357 INFO L268 CegarLoopResult]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2020-08-18 17:38:32,357 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2020-08-18 17:38:32,357 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 846 852) no Hoare annotation was computed. [2020-08-18 17:38:32,357 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 846 852) the Hoare annotation is: true [2020-08-18 17:38:32,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,358 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:38:32,358 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:38:32,358 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:32,358 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 262 269) no Hoare annotation was computed. [2020-08-18 17:38:32,358 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 262 269) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:32,358 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 262 269) no Hoare annotation was computed. [2020-08-18 17:38:32,358 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2020-08-18 17:38:32,358 INFO L268 CegarLoopResult]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2020-08-18 17:38:32,359 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:32,359 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 271 278) no Hoare annotation was computed. [2020-08-18 17:38:32,359 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275) no Hoare annotation was computed. [2020-08-18 17:38:32,359 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 271 278) the Hoare annotation is: true [2020-08-18 17:38:32,359 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 271 278) no Hoare annotation was computed. [2020-08-18 17:38:32,359 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 17:38:32,359 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 399 423) the Hoare annotation is: true [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point L411(lines 411 417) no Hoare annotation was computed. [2020-08-18 17:38:32,360 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point L409-1(line 409) no Hoare annotation was computed. [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 399 423) no Hoare annotation was computed. [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point L407(lines 407 420) no Hoare annotation was computed. [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point L407-1(lines 399 423) no Hoare annotation was computed. [2020-08-18 17:38:32,360 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-08-18 17:38:32,360 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-08-18 17:38:32,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:38:32 BoogieIcfgContainer [2020-08-18 17:38:32,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:38:32,380 INFO L168 Benchmark]: Toolchain (without parser) took 22187.71 ms. Allocated memory was 139.5 MB in the beginning and 614.5 MB in the end (delta: 475.0 MB). Free memory was 100.6 MB in the beginning and 454.5 MB in the end (delta: -353.9 MB). Peak memory consumption was 456.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,381 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.25 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 172.8 MB in the end (delta: -72.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,383 INFO L168 Benchmark]: Boogie Preprocessor took 130.59 ms. Allocated memory is still 203.4 MB. Free memory was 172.8 MB in the beginning and 168.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,384 INFO L168 Benchmark]: RCFGBuilder took 1235.11 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 203.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,385 INFO L168 Benchmark]: TraceAbstraction took 20214.50 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 203.1 MB in the beginning and 454.5 MB in the end (delta: -251.4 MB). Peak memory consumption was 461.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:32,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 602.25 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 172.8 MB in the end (delta: -72.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.59 ms. Allocated memory is still 203.4 MB. Free memory was 172.8 MB in the beginning and 168.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.11 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 203.1 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20214.50 ms. Allocated memory was 236.5 MB in the beginning and 614.5 MB in the end (delta: 378.0 MB). Free memory was 203.1 MB in the beginning and 454.5 MB in the end (delta: -251.4 MB). Peak memory consumption was 461.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 275]: 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: 55]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 397 SDtfs, 553 SDslu, 378 SDs, 0 SdLazy, 1511 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 645 HoareAnnotationTreeSize, 338 FomulaSimplifications, 55748 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14730 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...