/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:43:09,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:43:09,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:43:09,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:43:09,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:43:09,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:43:09,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:43:09,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:43:09,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:43:09,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:43:09,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:43:09,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:43:09,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:43:09,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:43:09,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:43:09,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:43:09,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:43:09,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:43:09,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:43:09,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:43:09,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:43:09,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:43:09,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:43:09,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:43:09,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:43:09,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:43:09,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:43:09,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:43:09,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:43:09,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:43:09,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:43:09,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:43:09,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:43:09,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:43:09,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:43:09,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:43:09,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:43:09,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:43:09,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:43:09,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:43:09,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:43:09,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:43:09,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:43:09,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:43:09,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:43:09,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:43:09,956 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:43:09,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:43:09,957 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:43:09,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:43:09,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:43:09,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:43:09,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:43:09,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:43:09,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:43:09,958 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:43:09,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:43:09,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:43:09,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:43:09,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:43:09,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:43:09,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:43:09,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:43:09,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:43:09,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:43:09,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:43:09,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:43:09,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:43:09,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:43:09,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:43:09,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:43:09,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:43:10,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:43:10,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:43:10,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:43:10,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:43:10,405 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:43:10,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-11-06 21:43:10,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53478e541/5c7ae057e1834d2e903d7348a9f34129/FLAG8d7923339 [2020-11-06 21:43:11,309 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:43:11,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-11-06 21:43:11,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53478e541/5c7ae057e1834d2e903d7348a9f34129/FLAG8d7923339 [2020-11-06 21:43:11,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53478e541/5c7ae057e1834d2e903d7348a9f34129 [2020-11-06 21:43:11,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:43:11,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:43:11,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:43:11,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:43:11,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:43:11,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:43:11" (1/1) ... [2020-11-06 21:43:11,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e6238f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:11, skipping insertion in model container [2020-11-06 21:43:11,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:43:11" (1/1) ... [2020-11-06 21:43:11,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:43:11,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:43:12,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:43:12,119 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:43:12,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:43:12,249 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:43:12,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12 WrapperNode [2020-11-06 21:43:12,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:43:12,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:43:12,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:43:12,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:43:12,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... [2020-11-06 21:43:12,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:43:12,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:43:12,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:43:12,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:43:12,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-06 21:43:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:43:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:43:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:43:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:43:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-06 21:43:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:43:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:43:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:43:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:43:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:43:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:43:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:43:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:43:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:43:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:43:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:43:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:43:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:43:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:43:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:43:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:43:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:43:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:43:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:43:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:43:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:43:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-06 21:43:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:43:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:43:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:43:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:43:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:43:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:43:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:43:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:43:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:43:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:43:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:43:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:43:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:43:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:43:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:43:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:43:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:43:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:43:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-11-06 21:43:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:43:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:43:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:43:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:43:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:43:13,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:43:13,583 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:43:13,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:43:13 BoogieIcfgContainer [2020-11-06 21:43:13,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:43:13,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:43:13,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:43:13,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:43:13,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:43:11" (1/3) ... [2020-11-06 21:43:13,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bee369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:43:13, skipping insertion in model container [2020-11-06 21:43:13,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:43:12" (2/3) ... [2020-11-06 21:43:13,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bee369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:43:13, skipping insertion in model container [2020-11-06 21:43:13,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:43:13" (3/3) ... [2020-11-06 21:43:13,595 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-11-06 21:43:13,612 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:43:13,617 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:43:13,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:43:13,659 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:43:13,659 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:43:13,660 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:43:13,660 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:43:13,660 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:43:13,660 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:43:13,660 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:43:13,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:43:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-11-06 21:43:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-06 21:43:13,711 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:13,712 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] [2020-11-06 21:43:13,713 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:13,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:13,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1718459105, now seen corresponding path program 1 times [2020-11-06 21:43:13,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:13,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063306450] [2020-11-06 21:43:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,489 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:14,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:43:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:43:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:43:14,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063306450] [2020-11-06 21:43:14,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:43:14,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 21:43:14,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175157280] [2020-11-06 21:43:14,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 21:43:14,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:14,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 21:43:14,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:43:14,602 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2020-11-06 21:43:15,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:15,683 INFO L93 Difference]: Finished difference Result 213 states and 286 transitions. [2020-11-06 21:43:15,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:43:15,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-11-06 21:43:15,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:15,699 INFO L225 Difference]: With dead ends: 213 [2020-11-06 21:43:15,699 INFO L226 Difference]: Without dead ends: 115 [2020-11-06 21:43:15,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:43:15,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-06 21:43:15,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-11-06 21:43:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-06 21:43:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2020-11-06 21:43:15,787 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 47 [2020-11-06 21:43:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:15,788 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2020-11-06 21:43:15,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 21:43:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2020-11-06 21:43:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-06 21:43:15,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:15,791 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] [2020-11-06 21:43:15,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:43:15,792 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash 807308256, now seen corresponding path program 1 times [2020-11-06 21:43:15,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:15,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964338498] [2020-11-06 21:43:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,290 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:43:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 21:43:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:43:16,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964338498] [2020-11-06 21:43:16,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:43:16,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:43:16,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479734865] [2020-11-06 21:43:16,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:43:16,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:16,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:43:16,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:43:16,401 INFO L87 Difference]: Start difference. First operand 86 states and 99 transitions. Second operand 4 states. [2020-11-06 21:43:17,011 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:43:17,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:17,655 INFO L93 Difference]: Finished difference Result 139 states and 169 transitions. [2020-11-06 21:43:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:43:17,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-11-06 21:43:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:17,659 INFO L225 Difference]: With dead ends: 139 [2020-11-06 21:43:17,661 INFO L226 Difference]: Without dead ends: 99 [2020-11-06 21:43:17,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:43:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-06 21:43:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 77. [2020-11-06 21:43:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-06 21:43:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-11-06 21:43:17,728 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 48 [2020-11-06 21:43:17,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:17,728 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-11-06 21:43:17,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:43:17,729 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-11-06 21:43:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-06 21:43:17,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:17,739 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] [2020-11-06 21:43:17,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:43:17,740 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash -281584583, now seen corresponding path program 1 times [2020-11-06 21:43:17,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:17,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003762548] [2020-11-06 21:43:17,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,317 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:43:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:43:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:43:18,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003762548] [2020-11-06 21:43:18,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:43:18,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 21:43:18,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913323012] [2020-11-06 21:43:18,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:43:18,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:18,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:43:18,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-06 21:43:18,411 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-11-06 21:43:19,100 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:43:19,580 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:19,983 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:20,357 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:21,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:21,336 INFO L93 Difference]: Finished difference Result 152 states and 187 transitions. [2020-11-06 21:43:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 21:43:21,336 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-11-06 21:43:21,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:21,339 INFO L225 Difference]: With dead ends: 152 [2020-11-06 21:43:21,339 INFO L226 Difference]: Without dead ends: 99 [2020-11-06 21:43:21,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:43:21,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-06 21:43:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 77. [2020-11-06 21:43:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-06 21:43:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2020-11-06 21:43:21,373 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 53 [2020-11-06 21:43:21,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:21,374 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2020-11-06 21:43:21,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:43:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2020-11-06 21:43:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-06 21:43:21,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:21,375 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] [2020-11-06 21:43:21,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:43:21,376 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:21,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:21,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1616241734, now seen corresponding path program 1 times [2020-11-06 21:43:21,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:21,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184953121] [2020-11-06 21:43:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,874 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:43:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:43:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:43:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:43:21,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184953121] [2020-11-06 21:43:21,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:43:21,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:43:21,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090683582] [2020-11-06 21:43:22,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:43:22,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:22,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:43:22,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:43:22,002 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 11 states. [2020-11-06 21:43:22,652 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:43:23,149 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:23,556 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:23,940 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:24,661 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:43:25,474 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:25,909 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:43:26,296 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:43:26,686 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:43:27,059 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:43:27,478 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:43:27,921 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:43:28,315 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:28,905 INFO L93 Difference]: Finished difference Result 236 states and 298 transitions. [2020-11-06 21:43:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-06 21:43:28,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-11-06 21:43:28,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:28,909 INFO L225 Difference]: With dead ends: 236 [2020-11-06 21:43:28,909 INFO L226 Difference]: Without dead ends: 183 [2020-11-06 21:43:28,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-11-06 21:43:28,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-11-06 21:43:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 166. [2020-11-06 21:43:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-11-06 21:43:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 194 transitions. [2020-11-06 21:43:29,005 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 194 transitions. Word has length 56 [2020-11-06 21:43:29,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:29,006 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 194 transitions. [2020-11-06 21:43:29,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:43:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 194 transitions. [2020-11-06 21:43:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 21:43:29,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:29,014 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] [2020-11-06 21:43:29,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:43:29,015 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:29,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:29,015 INFO L82 PathProgramCache]: Analyzing trace with hash 87333292, now seen corresponding path program 1 times [2020-11-06 21:43:29,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:29,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338518247] [2020-11-06 21:43:29,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,400 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-11-06 21:43:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-06 21:43:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:43:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:43:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:43:29,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338518247] [2020-11-06 21:43:29,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:43:29,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:43:29,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627843352] [2020-11-06 21:43:29,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:43:29,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:29,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:43:29,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:43:29,481 INFO L87 Difference]: Start difference. First operand 166 states and 194 transitions. Second operand 5 states. [2020-11-06 21:43:29,946 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:43:30,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:30,607 INFO L93 Difference]: Finished difference Result 265 states and 320 transitions. [2020-11-06 21:43:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 21:43:30,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-11-06 21:43:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:30,610 INFO L225 Difference]: With dead ends: 265 [2020-11-06 21:43:30,610 INFO L226 Difference]: Without dead ends: 162 [2020-11-06 21:43:30,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:43:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-11-06 21:43:30,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 149. [2020-11-06 21:43:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-11-06 21:43:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 166 transitions. [2020-11-06 21:43:30,654 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 166 transitions. Word has length 60 [2020-11-06 21:43:30,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:30,654 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 166 transitions. [2020-11-06 21:43:30,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:43:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2020-11-06 21:43:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-06 21:43:30,656 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:43:30,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:43:30,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:43:30,657 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:43:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:43:30,657 INFO L82 PathProgramCache]: Analyzing trace with hash -851447429, now seen corresponding path program 1 times [2020-11-06 21:43:30,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:43:30,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129642956] [2020-11-06 21:43:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:43:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,100 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:31,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:43:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:43:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:43:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:43:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:43:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-11-06 21:43:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:43:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:43:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-06 21:43:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:43:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-06 21:43:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-06 21:43:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-06 21:43:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-11-06 21:43:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-06 21:43:31,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129642956] [2020-11-06 21:43:31,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014236628] [2020-11-06 21:43:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:43:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:43:31,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-06 21:43:31,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:43:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 21:43:31,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:43:31,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2020-11-06 21:43:31,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836181050] [2020-11-06 21:43:31,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 21:43:31,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:43:31,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 21:43:31,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-11-06 21:43:31,806 INFO L87 Difference]: Start difference. First operand 149 states and 166 transitions. Second operand 13 states. [2020-11-06 21:43:32,496 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:33,415 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:43:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:43:34,193 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2020-11-06 21:43:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 21:43:34,194 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 91 [2020-11-06 21:43:34,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:43:34,195 INFO L225 Difference]: With dead ends: 201 [2020-11-06 21:43:34,196 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:43:34,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2020-11-06 21:43:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:43:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:43:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:43:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:43:34,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2020-11-06 21:43:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:43:34,200 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:43:34,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 21:43:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:43:34,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:43:34,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-06 21:43:34,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:43:34,736 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 25 [2020-11-06 21:43:35,683 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 25 [2020-11-06 21:43:35,839 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 25 [2020-11-06 21:43:36,533 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:36,910 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:37,202 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-11-06 21:43:37,532 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:38,593 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-11-06 21:43:38,967 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:40,028 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-11-06 21:43:40,376 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:41,416 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-11-06 21:43:41,800 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:43:42,156 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-11-06 21:43:43,172 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-11-06 21:43:43,525 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-11-06 21:43:44,529 WARN L194 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2020-11-06 21:43:44,884 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-11-06 21:43:45,213 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-11-06 21:43:46,209 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2020-11-06 21:43:46,582 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-11-06 21:43:46,977 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-11-06 21:43:46,980 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 123 178) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point L148-2(lines 148 169) no Hoare annotation was computed. [2020-11-06 21:43:46,981 INFO L266 CegarLoopResult]: For program point L170(lines 147 171) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 123 178) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 123 178) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 179 238) no Hoare annotation was computed. [2020-11-06 21:43:46,982 INFO L266 CegarLoopResult]: For program point L211(lines 211 215) no Hoare annotation was computed. [2020-11-06 21:43:46,983 INFO L266 CegarLoopResult]: For program point L211-1(lines 211 215) no Hoare annotation was computed. [2020-11-06 21:43:46,983 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 179 238) no Hoare annotation was computed. [2020-11-06 21:43:46,983 INFO L266 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-06 21:43:46,983 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 230) no Hoare annotation was computed. [2020-11-06 21:43:46,983 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 179 238) no Hoare annotation was computed. [2020-11-06 21:43:46,984 INFO L266 CegarLoopResult]: For program point L231(lines 204 232) no Hoare annotation was computed. [2020-11-06 21:43:46,984 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 854 860) the Hoare annotation is: true [2020-11-06 21:43:46,984 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 854 860) no Hoare annotation was computed. [2020-11-06 21:43:46,984 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 861 869) no Hoare annotation was computed. [2020-11-06 21:43:46,985 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 861 869) the Hoare annotation is: true [2020-11-06 21:43:46,985 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 861 869) no Hoare annotation was computed. [2020-11-06 21:43:46,985 INFO L269 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-11-06 21:43:46,985 INFO L262 CegarLoopResult]: At program point L59(line 59) 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))) [2020-11-06 21:43:46,986 INFO L266 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-06 21:43:46,986 INFO L262 CegarLoopResult]: At program point L55(line 55) 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))) [2020-11-06 21:43:46,986 INFO L266 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-11-06 21:43:46,986 INFO L266 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-06 21:43:46,986 INFO L266 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-11-06 21:43:46,986 INFO L269 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-11-06 21:43:46,986 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-11-06 21:43:46,987 INFO L266 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-11-06 21:43:46,987 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 526 548) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,987 INFO L262 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,987 INFO L262 CegarLoopResult]: At program point L538-1(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,987 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 526 548) no Hoare annotation was computed. [2020-11-06 21:43:46,987 INFO L266 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-11-06 21:43:46,987 INFO L266 CegarLoopResult]: For program point L536-1(lines 536 543) no Hoare annotation was computed. [2020-11-06 21:43:46,988 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 21:43:46,988 INFO L262 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,988 INFO L262 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,988 INFO L262 CegarLoopResult]: At program point L532-1(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,988 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 526 548) no Hoare annotation was computed. [2020-11-06 21:43:46,988 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 481 504) no Hoare annotation was computed. [2020-11-06 21:43:46,988 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 481 504) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 481 504) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-06 21:43:46,989 INFO L266 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 21:43:46,990 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 590 597) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 590 597) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 590 597) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 635 643) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 635 643) the Hoare annotation is: true [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 635 643) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-11-06 21:43:46,991 INFO L266 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 644 679) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point L651(lines 651 659) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point L651-2(lines 651 659) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 644 679) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 644 679) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point L674(line 674) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 847 853) no Hoare annotation was computed. [2020-11-06 21:43:46,992 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 847 853) the Hoare annotation is: true [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 77 122) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 77 122) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 77 122) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point L414(lines 414 415) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point L410(lines 410 417) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 390 435) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point L404(lines 404 424) no Hoare annotation was computed. [2020-11-06 21:43:46,993 INFO L266 CegarLoopResult]: For program point L404-1(lines 404 424) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 414 415) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 421 422) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 390 435) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 390 435) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L266 CegarLoopResult]: For program point L421(lines 421 422) no Hoare annotation was computed. [2020-11-06 21:43:46,994 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 624 634) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 624 634) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 624 634) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point deactivatePumpENTRY(lines 616 623) no Hoare annotation was computed. [2020-11-06 21:43:46,995 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 616 623) no Hoare annotation was computed. [2020-11-06 21:43:46,996 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 616 623) no Hoare annotation was computed. [2020-11-06 21:43:46,996 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 583 589) no Hoare annotation was computed. [2020-11-06 21:43:46,996 INFO L269 CegarLoopResult]: At program point processEnvironmentFINAL(lines 583 589) the Hoare annotation is: true [2020-11-06 21:43:46,996 INFO L266 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-11-06 21:43:46,996 INFO L262 CegarLoopResult]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,996 INFO L262 CegarLoopResult]: At program point L737-2(lines 729 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:43:46,996 INFO L266 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-11-06 21:43:46,997 INFO L262 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:43:46,997 INFO L266 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-11-06 21:43:46,997 INFO L266 CegarLoopResult]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2020-11-06 21:43:46,997 INFO L262 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:43:46,997 INFO L266 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-11-06 21:43:46,997 INFO L266 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-11-06 21:43:46,997 INFO L262 CegarLoopResult]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:43:46,998 INFO L262 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= test_~splverifierCounter~0 0))) [2020-11-06 21:43:46,998 INFO L266 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-11-06 21:43:46,998 INFO L266 CegarLoopResult]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2020-11-06 21:43:46,998 INFO L266 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-11-06 21:43:46,998 INFO L262 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-11-06 21:43:46,998 INFO L266 CegarLoopResult]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2020-11-06 21:43:46,998 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 368 369) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 375 376) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 344 389) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point L375(lines 375 376) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 344 389) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 344 389) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point L368(lines 368 369) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point L364(lines 364 371) no Hoare annotation was computed. [2020-11-06 21:43:46,999 INFO L266 CegarLoopResult]: For program point L358(lines 358 378) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point L358-1(lines 358 378) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 803 825) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 803 825) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 803 825) no Hoare annotation was computed. [2020-11-06 21:43:47,000 INFO L266 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L287(lines 287 328) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 241 343) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L306-1(line 306) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L329(lines 329 340) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 241 343) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L292(lines 292 296) no Hoare annotation was computed. [2020-11-06 21:43:47,001 INFO L266 CegarLoopResult]: For program point L290-2(lines 290 310) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point L311(lines 289 312) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 241 343) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point L270(lines 270 286) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point L330(lines 330 337) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point L291(lines 290 310) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 837 846) no Hoare annotation was computed. [2020-11-06 21:43:47,002 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 837 846) no Hoare annotation was computed. [2020-11-06 21:43:47,003 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 837 846) no Hoare annotation was computed. [2020-11-06 21:43:47,003 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,003 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.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~string76.offset| |old(#t~string76.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.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~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 21:43:47,003 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,003 INFO L266 CegarLoopResult]: For program point L610-1(lines 599 615) no Hoare annotation was computed. [2020-11-06 21:43:47,003 INFO L266 CegarLoopResult]: For program point L606(lines 606 612) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 599 615) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point activatePumpENTRY(lines 599 615) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L269 CegarLoopResult]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2020-11-06 21:43:47,004 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,005 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,005 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,005 INFO L266 CegarLoopResult]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2020-11-06 21:43:47,005 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 782 793) 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))) [2020-11-06 21:43:47,005 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2020-11-06 21:43:47,005 INFO L262 CegarLoopResult]: At program point L572(line 572) 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))) [2020-11-06 21:43:47,005 INFO L262 CegarLoopResult]: At program point L570(lines 570 576) 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))) [2020-11-06 21:43:47,006 INFO L262 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-11-06 21:43:47,006 INFO L266 CegarLoopResult]: For program point L563(lines 562 581) no Hoare annotation was computed. [2020-11-06 21:43:47,006 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 559 582) 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))) [2020-11-06 21:43:47,006 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 559 582) no Hoare annotation was computed. [2020-11-06 21:43:47,006 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 559 582) no Hoare annotation was computed. [2020-11-06 21:43:47,006 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 448 477) no Hoare annotation was computed. [2020-11-06 21:43:47,006 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 448 477) the Hoare annotation is: true [2020-11-06 21:43:47,007 INFO L269 CegarLoopResult]: At program point L473(lines 448 477) the Hoare annotation is: true [2020-11-06 21:43:47,007 INFO L266 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-11-06 21:43:47,007 INFO L266 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-11-06 21:43:47,007 INFO L269 CegarLoopResult]: At program point L462-1(lines 462 466) the Hoare annotation is: true [2020-11-06 21:43:47,007 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 21:43:47,007 INFO L269 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: true [2020-11-06 21:43:47,007 INFO L269 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-11-06 21:43:47,007 INFO L266 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-11-06 21:43:47,007 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 794 802) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L269 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: true [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 505 511) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 505 511) the Hoare annotation is: true [2020-11-06 21:43:47,008 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,008 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-06 21:43:47,009 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:43:47,009 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:43:47,009 INFO L266 CegarLoopResult]: For program point startSystemEXIT(lines 680 687) no Hoare annotation was computed. [2020-11-06 21:43:47,009 INFO L262 CegarLoopResult]: At program point startSystemENTRY(lines 680 687) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-11-06 21:43:47,009 INFO L266 CegarLoopResult]: For program point startSystemFINAL(lines 680 687) no Hoare annotation was computed. [2020-11-06 21:43:47,009 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2020-11-06 21:43:47,009 INFO L266 CegarLoopResult]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2020-11-06 21:43:47,010 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 770 781) 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))) [2020-11-06 21:43:47,010 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 437 444) no Hoare annotation was computed. [2020-11-06 21:43:47,010 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 21:43:47,010 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 437 444) the Hoare annotation is: true [2020-11-06 21:43:47,010 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 437 444) no Hoare annotation was computed. [2020-11-06 21:43:47,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:43:47 BoogieIcfgContainer [2020-11-06 21:43:47,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:43:47,030 INFO L168 Benchmark]: Toolchain (without parser) took 35474.01 ms. Allocated memory was 156.2 MB in the beginning and 423.6 MB in the end (delta: 267.4 MB). Free memory was 129.9 MB in the beginning and 294.3 MB in the end (delta: -164.4 MB). Peak memory consumption was 250.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:43:47,031 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:43:47,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.05 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 109.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:43:47,032 INFO L168 Benchmark]: Boogie Preprocessor took 102.61 ms. Allocated memory is still 156.2 MB. Free memory was 109.6 MB in the beginning and 105.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:43:47,033 INFO L168 Benchmark]: RCFGBuilder took 1229.73 ms. Allocated memory is still 156.2 MB. Free memory was 105.8 MB in the beginning and 55.6 MB in the end (delta: 50.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:43:47,034 INFO L168 Benchmark]: TraceAbstraction took 33441.17 ms. Allocated memory was 156.2 MB in the beginning and 423.6 MB in the end (delta: 267.4 MB). Free memory was 55.6 MB in the beginning and 294.3 MB in the end (delta: -238.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 8.0 GB. [2020-11-06 21:43:47,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 684.05 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 109.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 102.61 ms. Allocated memory is still 156.2 MB. Free memory was 109.6 MB in the beginning and 105.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1229.73 ms. Allocated memory is still 156.2 MB. Free memory was 105.8 MB in the beginning and 55.6 MB in the end (delta: 50.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33441.17 ms. Allocated memory was 156.2 MB in the beginning and 423.6 MB in the end (delta: 267.4 MB). Free memory was 55.6 MB in the beginning and 294.3 MB in the end (delta: -238.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 375]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 414]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 421]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0)) || ((1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 439 SDtfs, 786 SDslu, 404 SDs, 0 SdLazy, 1865 SolverSat, 549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 205 PreInvPairs, 228 NumberOfFragments, 827 HoareAnnotationTreeSize, 205 FomulaSimplifications, 37836 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 7209 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 131162 SizeOfPredicates, 3 NumberOfNonLiveVariables, 779 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 51/54 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...