/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:10:18,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:10:18,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:10:18,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:10:18,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:10:18,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:10:18,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:10:18,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:10:18,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:10:18,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:10:18,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:10:18,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:10:18,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:10:18,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:10:18,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:10:18,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:10:18,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:10:18,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:10:18,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:10:18,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:10:18,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:10:18,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:10:18,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:10:18,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:10:18,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:10:18,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:10:18,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:10:18,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:10:18,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:10:18,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:10:18,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:10:18,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:10:18,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:10:18,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:10:18,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:10:18,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:10:18,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:10:18,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:10:18,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:10:18,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:10:18,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:10:18,988 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 [2020-08-21 13:10:19,011 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:10:19,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:10:19,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:10:19,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:10:19,013 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:10:19,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:10:19,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:10:19,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:10:19,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:10:19,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:10:19,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:10:19,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:10:19,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:10:19,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:10:19,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:10:19,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:10:19,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:10:19,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:10:19,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:10:19,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:10:19,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:10:19,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:10:19,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:10:19,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:10:19,018 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 -> false [2020-08-21 13:10:19,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:10:19,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:10:19,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:10:19,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:10:19,332 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:10:19,333 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-21 13:10:19,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdbf68e61/8e3397d92bc947c9afadf95ae2cbb747/FLAG5530f9c8a [2020-08-21 13:10:19,917 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:10:19,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-21 13:10:19,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdbf68e61/8e3397d92bc947c9afadf95ae2cbb747/FLAG5530f9c8a [2020-08-21 13:10:20,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fdbf68e61/8e3397d92bc947c9afadf95ae2cbb747 [2020-08-21 13:10:20,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:10:20,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:10:20,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:10:20,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:10:20,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:10:20,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:20,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc730a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20, skipping insertion in model container [2020-08-21 13:10:20,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:20,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:10:20,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:10:20,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:10:20,848 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:10:20,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:10:20,967 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:10:20,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20 WrapperNode [2020-08-21 13:10:20,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:10:20,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:10:20,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:10:20,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:10:20,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (1/1) ... [2020-08-21 13:10:21,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:10:21,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:10:21,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:10:21,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:10:21,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (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 [2020-08-21 13:10:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:10:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:10:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:10:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:10:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:10:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:10:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:10:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:10:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:10:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:10:21,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:10:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:10:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:10:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:10:21,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:10:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:10:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:10:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:10:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:10:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:10:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:10:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 13:10:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:10:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 13:10:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:10:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:10:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:10:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:10:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:10:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 13:10:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:10:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:10:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:10:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:10:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:10:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:10:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:10:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:10:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:10:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:10:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:10:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:10:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:10:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:10:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:10:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:10:21,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:10:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:10:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:10:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:10:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:10:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:10:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:10:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:10:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:10:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:10:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:10:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:10:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:10:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:10:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:10:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:10:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:10:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:10:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:10:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 13:10:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:10:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 13:10:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:10:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:10:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:10:22,196 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:10:22,196 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:10:22,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:10:22 BoogieIcfgContainer [2020-08-21 13:10:22,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:10:22,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:10:22,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:10:22,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:10:22,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:10:20" (1/3) ... [2020-08-21 13:10:22,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e33b2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:10:22, skipping insertion in model container [2020-08-21 13:10:22,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:10:20" (2/3) ... [2020-08-21 13:10:22,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e33b2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:10:22, skipping insertion in model container [2020-08-21 13:10:22,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:10:22" (3/3) ... [2020-08-21 13:10:22,211 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-08-21 13:10:22,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:10:22,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:10:22,244 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:10:22,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:10:22,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:10:22,269 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:10:22,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:10:22,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:10:22,269 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:10:22,270 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:10:22,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:10:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-21 13:10:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 13:10:22,308 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:22,309 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] [2020-08-21 13:10:22,309 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2020-08-21 13:10:22,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:22,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412436525] [2020-08-21 13:10:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:22,959 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:22,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:10:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:10:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:10:23,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412436525] [2020-08-21 13:10:23,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:10:23,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:10:23,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209400159] [2020-08-21 13:10:23,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:10:23,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:23,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:10:23,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:10:23,081 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-08-21 13:10:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:24,075 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-08-21 13:10:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:10:24,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 13:10:24,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:24,094 INFO L225 Difference]: With dead ends: 252 [2020-08-21 13:10:24,094 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 13:10:24,099 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 [2020-08-21 13:10:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 13:10:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-21 13:10:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 13:10:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-21 13:10:24,183 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-08-21 13:10:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:24,184 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-21 13:10:24,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:10:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-21 13:10:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:10:24,188 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:24,188 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] [2020-08-21 13:10:24,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:10:24,189 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:24,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2020-08-21 13:10:24,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:24,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37435903] [2020-08-21 13:10:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,499 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:10:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:10:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:10:24,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37435903] [2020-08-21 13:10:24,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:10:24,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:10:24,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430837957] [2020-08-21 13:10:24,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:10:24,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:24,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:10:24,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:10:24,572 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-08-21 13:10:24,929 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:10:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:25,529 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-08-21 13:10:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:10:25,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 13:10:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:25,533 INFO L225 Difference]: With dead ends: 181 [2020-08-21 13:10:25,533 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 13:10:25,534 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 [2020-08-21 13:10:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 13:10:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 13:10:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 13:10:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-08-21 13:10:25,566 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-08-21 13:10:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:25,566 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-08-21 13:10:25,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:10:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-08-21 13:10:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:10:25,568 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:25,569 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] [2020-08-21 13:10:25,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:10:25,569 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:25,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2020-08-21 13:10:25,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:25,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232989181] [2020-08-21 13:10:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:25,918 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:26,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:26,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:10:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:26,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:10:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:10:26,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232989181] [2020-08-21 13:10:26,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:10:26,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:10:26,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6149531] [2020-08-21 13:10:26,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:10:26,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:26,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:10:26,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:10:26,045 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 8 states. [2020-08-21 13:10:26,391 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:10:26,668 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:26,898 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:27,152 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:28,040 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-08-21 13:10:28,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 13:10:28,042 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 13:10:28,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:28,044 INFO L225 Difference]: With dead ends: 194 [2020-08-21 13:10:28,045 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 13:10:28,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:10:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 13:10:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 13:10:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 13:10:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-08-21 13:10:28,074 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-08-21 13:10:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:28,075 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-08-21 13:10:28,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:10:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-08-21 13:10:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 13:10:28,077 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:28,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:10:28,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:10:28,077 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2020-08-21 13:10:28,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:28,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322868503] [2020-08-21 13:10:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,367 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:10:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:10:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 13:10:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 13:10:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:10:28,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322868503] [2020-08-21 13:10:28,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:10:28,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 13:10:28,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132287288] [2020-08-21 13:10:28,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 13:10:28,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:28,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 13:10:28,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:10:28,514 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states. [2020-08-21 13:10:28,861 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:10:29,207 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:29,487 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:29,718 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:30,274 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:10:31,033 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:31,387 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:10:31,701 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:10:31,954 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:10:32,223 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:10:32,572 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:10:32,853 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:10:33,094 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:10:33,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:33,964 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2020-08-21 13:10:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 13:10:33,967 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-08-21 13:10:33,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:33,972 INFO L225 Difference]: With dead ends: 372 [2020-08-21 13:10:33,972 INFO L226 Difference]: Without dead ends: 299 [2020-08-21 13:10:33,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 13:10:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-21 13:10:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-08-21 13:10:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-21 13:10:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2020-08-21 13:10:34,041 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60 [2020-08-21 13:10:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:34,041 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2020-08-21 13:10:34,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 13:10:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2020-08-21 13:10:34,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 13:10:34,044 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:34,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:10:34,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:10:34,045 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:34,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:34,045 INFO L82 PathProgramCache]: Analyzing trace with hash 610985760, now seen corresponding path program 1 times [2020-08-21 13:10:34,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:34,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295504297] [2020-08-21 13:10:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,339 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 13:10:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:10:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:10:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:10:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 13:10:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 13:10:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:10:34,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295504297] [2020-08-21 13:10:34,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:10:34,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 13:10:34,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983519415] [2020-08-21 13:10:34,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 13:10:34,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 13:10:34,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 13:10:34,408 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 6 states. [2020-08-21 13:10:34,668 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:10:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:35,184 INFO L93 Difference]: Finished difference Result 382 states and 463 transitions. [2020-08-21 13:10:35,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:10:35,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 13:10:35,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:35,188 INFO L225 Difference]: With dead ends: 382 [2020-08-21 13:10:35,188 INFO L226 Difference]: Without dead ends: 176 [2020-08-21 13:10:35,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:10:35,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-21 13:10:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-08-21 13:10:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-21 13:10:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-08-21 13:10:35,224 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2020-08-21 13:10:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:35,225 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-08-21 13:10:35,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 13:10:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-08-21 13:10:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-21 13:10:35,227 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:10:35,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:10:35,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:10:35,228 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:10:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:10:35,228 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2020-08-21 13:10:35,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:10:35,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681432782] [2020-08-21 13:10:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:10:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,534 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:10:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:10:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:10:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:10:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:10:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 13:10:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:10:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:10:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:10:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 13:10:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:10:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 13:10:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 13:10:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:10:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-21 13:10:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 13:10:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:10:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 13:10:35,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681432782] [2020-08-21 13:10:35,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:10:35,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 13:10:35,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343079990] [2020-08-21 13:10:35,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 13:10:35,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:10:35,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 13:10:35,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:10:35,761 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 10 states. [2020-08-21 13:10:36,302 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 13:10:36,868 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:10:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:10:37,417 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-08-21 13:10:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:10:37,422 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-08-21 13:10:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:10:37,423 INFO L225 Difference]: With dead ends: 220 [2020-08-21 13:10:37,423 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:10:37,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 13:10:37,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:10:37,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:10:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:10:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:10:37,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-08-21 13:10:37,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:10:37,426 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:10:37,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 13:10:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:10:37,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:10:37,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:10:37,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:10:39,798 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 13:10:40,205 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:40,581 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:40,689 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-21 13:10:41,340 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-21 13:10:41,532 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:10:41,744 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:10:42,388 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-21 13:10:42,507 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:10:42,901 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:43,005 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-21 13:10:43,652 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 13:10:44,057 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:44,534 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 13:10:45,295 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-21 13:10:45,423 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:10:46,010 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 13:10:46,471 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:46,889 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 13:10:47,021 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:10:47,424 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 13:10:47,833 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:10:48,351 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 13:10:48,459 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-21 13:10:48,465 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-08-21 13:10:48,465 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2020-08-21 13:10:48,465 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 216 271) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 262) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point L263(lines 240 264) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 216 271) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 216 271) no Hoare annotation was computed. [2020-08-21 13:10:48,466 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 272 331) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L304-1(lines 304 308) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 272 331) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 272 331) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 323) no Hoare annotation was computed. [2020-08-21 13:10:48,467 INFO L268 CegarLoopResult]: For program point L324(lines 297 325) no Hoare annotation was computed. [2020-08-21 13:10:48,468 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 13:10:48,468 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 13:10:48,468 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 13:10:48,468 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 13:10:48,468 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 13:10:48,468 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2020-08-21 13:10:48,469 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2020-08-21 13:10:48,469 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 13:10:48,469 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-08-21 13:10:48,469 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 13:10:48,469 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-08-21 13:10:48,469 INFO L268 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2020-08-21 13:10:48,470 INFO L268 CegarLoopResult]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2020-08-21 13:10:48,470 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-08-21 13:10:48,470 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-08-21 13:10:48,470 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 844 866) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,470 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2020-08-21 13:10:48,470 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,471 INFO L264 CegarLoopResult]: At program point L856-1(line 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,471 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-08-21 13:10:48,471 INFO L268 CegarLoopResult]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2020-08-21 13:10:48,471 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-21 13:10:48,471 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,472 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,472 INFO L264 CegarLoopResult]: At program point L850-1(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,472 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2020-08-21 13:10:48,472 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2020-08-21 13:10:48,472 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 803 826) no Hoare annotation was computed. [2020-08-21 13:10:48,472 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2020-08-21 13:10:48,472 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-21 13:10:48,473 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 665 672) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 665 672) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 665 672) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2020-08-21 13:10:48,474 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2020-08-21 13:10:48,474 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 718 753) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 718 753) no Hoare annotation was computed. [2020-08-21 13:10:48,475 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 718 753) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 170 215) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 170 215) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 170 215) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 483 528) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-08-21 13:10:48,476 INFO L268 CegarLoopResult]: For program point L497(lines 497 517) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L268 CegarLoopResult]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 483 528) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 483 528) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,477 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2020-08-21 13:10:48,477 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2020-08-21 13:10:48,478 INFO L271 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: true [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2020-08-21 13:10:48,478 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2020-08-21 13:10:48,478 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2020-08-21 13:10:48,479 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 13:10:48,479 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 13:10:48,479 INFO L268 CegarLoopResult]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2020-08-21 13:10:48,479 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 13:10:48,479 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 13:10:48,479 INFO L268 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-08-21 13:10:48,480 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 13:10:48,480 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-08-21 13:10:48,480 INFO L268 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-08-21 13:10:48,480 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-08-21 13:10:48,480 INFO L264 CegarLoopResult]: At program point testENTRY(lines 533 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,480 INFO L268 CegarLoopResult]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2020-08-21 13:10:48,481 INFO L264 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:10:48,481 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-08-21 13:10:48,481 INFO L264 CegarLoopResult]: At program point L581-2(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,481 INFO L268 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-08-21 13:10:48,481 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,481 INFO L268 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-08-21 13:10:48,481 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,482 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-21 13:10:48,482 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-08-21 13:10:48,482 INFO L264 CegarLoopResult]: At program point L588(lines 543 590) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,482 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,482 INFO L268 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-08-21 13:10:48,482 INFO L268 CegarLoopResult]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2020-08-21 13:10:48,482 INFO L268 CegarLoopResult]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 437 482) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 437 482) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 437 482) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-21 13:10:48,483 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point L384(lines 383 403) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 334 436) no Hoare annotation was computed. [2020-08-21 13:10:48,484 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L380(lines 380 421) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L422(lines 422 433) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 334 436) no Hoare annotation was computed. [2020-08-21 13:10:48,485 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 403) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point L404(lines 382 405) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 334 436) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point L363(lines 363 379) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point L423(lines 423 430) no Hoare annotation was computed. [2020-08-21 13:10:48,486 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |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~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 673 689) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point L684-1(lines 673 689) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 673 689) no Hoare annotation was computed. [2020-08-21 13:10:48,487 INFO L268 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L268 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2020-08-21 13:10:48,488 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-08-21 13:10:48,488 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-08-21 13:10:48,489 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 13:10:48,490 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 13:10:48,490 INFO L264 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 13:10:48,490 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2020-08-21 13:10:48,490 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2020-08-21 13:10:48,490 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 13:10:48,490 INFO L268 CegarLoopResult]: For program point L612(lines 611 630) no Hoare annotation was computed. [2020-08-21 13:10:48,491 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2020-08-21 13:10:48,491 INFO L271 CegarLoopResult]: At program point L798(lines 773 802) the Hoare annotation is: true [2020-08-21 13:10:48,491 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2020-08-21 13:10:48,491 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-08-21 13:10:48,491 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-08-21 13:10:48,491 INFO L271 CegarLoopResult]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2020-08-21 13:10:48,491 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-21 13:10:48,491 INFO L271 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2020-08-21 13:10:48,492 INFO L271 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: true [2020-08-21 13:10:48,492 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-08-21 13:10:48,492 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-08-21 13:10:48,492 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-08-21 13:10:48,492 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-08-21 13:10:48,492 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2020-08-21 13:10:48,492 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2020-08-21 13:10:48,492 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,493 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 13:10:48,493 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:10:48,493 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:10:48,493 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2020-08-21 13:10:48,493 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-21 13:10:48,493 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2020-08-21 13:10:48,493 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-08-21 13:10:48,493 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-08-21 13:10:48,494 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 13:10:48,494 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2020-08-21 13:10:48,494 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-08-21 13:10:48,494 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2020-08-21 13:10:48,494 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2020-08-21 13:10:48,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:10:48 BoogieIcfgContainer [2020-08-21 13:10:48,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:10:48,514 INFO L168 Benchmark]: Toolchain (without parser) took 28191.99 ms. Allocated memory was 147.8 MB in the beginning and 627.6 MB in the end (delta: 479.7 MB). Free memory was 101.8 MB in the beginning and 466.4 MB in the end (delta: -364.5 MB). Peak memory consumption was 496.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,515 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.41 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,517 INFO L168 Benchmark]: Boogie Preprocessor took 100.19 ms. Allocated memory is still 204.5 MB. Free memory was 173.3 MB in the beginning and 168.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,517 INFO L168 Benchmark]: RCFGBuilder took 1132.06 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 168.8 MB in the beginning and 198.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,518 INFO L168 Benchmark]: TraceAbstraction took 26309.46 ms. Allocated memory was 235.9 MB in the beginning and 627.6 MB in the end (delta: 391.6 MB). Free memory was 198.5 MB in the beginning and 466.4 MB in the end (delta: -267.8 MB). Peak memory consumption was 505.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:10:48,522 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.41 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.19 ms. Allocated memory is still 204.5 MB. Free memory was 173.3 MB in the beginning and 168.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.06 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 168.8 MB in the beginning and 198.5 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26309.46 ms. Allocated memory was 235.9 MB in the beginning and 627.6 MB in the end (delta: 391.6 MB). Free memory was 198.5 MB in the beginning and 466.4 MB in the end (delta: -267.8 MB). Peak memory consumption was 505.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 516 SDtfs, 1052 SDslu, 384 SDs, 0 SdLazy, 2276 SolverSat, 751 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred 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, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 51276 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9420 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 114032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 25/32 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...