/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:40:58,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:40:58,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:40:58,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:40:58,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:40:58,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:40:58,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:40:58,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:40:58,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:40:58,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:40:58,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:40:58,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:40:58,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:40:58,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:40:58,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:40:58,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:40:58,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:40:58,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:40:58,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:40:58,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:40:58,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:40:58,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:40:58,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:40:58,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:40:58,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:40:58,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:40:58,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:40:58,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:40:58,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:40:58,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:40:58,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:40:58,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:40:58,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:40:58,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:40:58,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:40:58,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:40:58,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:40:58,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:40:58,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:40:58,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:40:58,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:40:58,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:40:58,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:40:58,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:40:58,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:40:58,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:40:58,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:40:58,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:40:58,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:40:58,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:40:58,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:40:58,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:40:58,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:40:58,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:40:58,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:40:58,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:40:58,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:40:58,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:40:58,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:40:58,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:40:58,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:40:58,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:40:58,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:40:58,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:40:58,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:40:58,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:40:58,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:40:58,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:40:58,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:40:58,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:40:58,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:40:58,532 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:40:58,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:40:58,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:40:58,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:40:58,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:40:58,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:40:58,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-10-27 03:40:59,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2b5cd8bd/d125a1fe3fc54057a40b53f7697f6dc0/FLAGf9afabe66 [2020-10-27 03:40:59,741 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:40:59,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-10-27 03:40:59,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2b5cd8bd/d125a1fe3fc54057a40b53f7697f6dc0/FLAGf9afabe66 [2020-10-27 03:41:00,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2b5cd8bd/d125a1fe3fc54057a40b53f7697f6dc0 [2020-10-27 03:41:00,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:41:00,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:41:00,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:00,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:41:00,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:41:00,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd2f65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00, skipping insertion in model container [2020-10-27 03:41:00,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:41:00,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:41:00,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:00,538 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:41:00,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:00,739 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:41:00,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00 WrapperNode [2020-10-27 03:41:00,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:00,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:41:00,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:41:00,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:41:00,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... [2020-10-27 03:41:00,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:41:00,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:41:00,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:41:00,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:41:00,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:41:00,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:41:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:00,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:41:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:41:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:41:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:41:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:41:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:41:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:41:00,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 03:41:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:41:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:41:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:41:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:41:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:41:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:41:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:41:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:41:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:41:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:41:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:41:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:41:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:41:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:41:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 03:41:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:41:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:41:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:41:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:41:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:41:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:41:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:41:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:41:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:41:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:41:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:41:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:41:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:41:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:41:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:41:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:41:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:41:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:41:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:41:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:41:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:41:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:41:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:41:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:41:02,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:41:02,393 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:41:02,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:02 BoogieIcfgContainer [2020-10-27 03:41:02,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:41:02,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:41:02,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:41:02,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:41:02,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:41:00" (1/3) ... [2020-10-27 03:41:02,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f712932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:02, skipping insertion in model container [2020-10-27 03:41:02,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:00" (2/3) ... [2020-10-27 03:41:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f712932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:02, skipping insertion in model container [2020-10-27 03:41:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:02" (3/3) ... [2020-10-27 03:41:02,405 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-10-27 03:41:02,417 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:41:02,423 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:41:02,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:41:02,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:41:02,469 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:41:02,469 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:41:02,470 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:41:02,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:41:02,470 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:41:02,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:41:02,470 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:41:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-10-27 03:41:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:41:02,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:02,505 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] [2020-10-27 03:41:02,506 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]=== [2020-10-27 03:41:02,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:02,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1229471184, now seen corresponding path program 1 times [2020-10-27 03:41:02,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:02,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946392197] [2020-10-27 03:41:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:03,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:03,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:04,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:07,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:07,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:41:07,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:41:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:41:07,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 03:41:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:41:08,463 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:08,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:08,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 03:41:08,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:08,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:08,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:08,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:08,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:08,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:08,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:08,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:08,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:08,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:41:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:08,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:41:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:08,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:08,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:08,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:41:08,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946392197] [2020-10-27 03:41:08,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:08,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 03:41:08,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780177477] [2020-10-27 03:41:08,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 03:41:08,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:08,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 03:41:08,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 03:41:08,787 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-10-27 03:41:09,401 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:10,991 INFO L93 Difference]: Finished difference Result 290 states and 380 transitions. [2020-10-27 03:41:10,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 03:41:10,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-27 03:41:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:11,008 INFO L225 Difference]: With dead ends: 290 [2020-10-27 03:41:11,008 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 03:41:11,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:41:11,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 03:41:11,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-10-27 03:41:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-27 03:41:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-10-27 03:41:11,119 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-10-27 03:41:11,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:11,120 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-10-27 03:41:11,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 03:41:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-10-27 03:41:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-27 03:41:11,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:11,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:11,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:41:11,125 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]=== [2020-10-27 03:41:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:11,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1065987506, now seen corresponding path program 1 times [2020-10-27 03:41:11,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:11,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289794270] [2020-10-27 03:41:11,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:13,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:41:16,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 03:41:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,642 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:16,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:16,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:16,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:16,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:16,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:16,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:16,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:16,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 03:41:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 03:41:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:41:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:41:16,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:16,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:16,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:16,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:16,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 03:41:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:16,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:16,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:41:16,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:41:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:16,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:16,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:16,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:16,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:16,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:16,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:41:16,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289794270] [2020-10-27 03:41:16,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:16,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:41:16,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356982952] [2020-10-27 03:41:16,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:41:16,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:16,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:41:16,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:41:16,883 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-10-27 03:41:17,519 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:18,687 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:41:20,123 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-27 03:41:20,644 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:21,089 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:22,627 INFO L93 Difference]: Finished difference Result 391 states and 525 transitions. [2020-10-27 03:41:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 03:41:22,628 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-10-27 03:41:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:22,633 INFO L225 Difference]: With dead ends: 391 [2020-10-27 03:41:22,633 INFO L226 Difference]: Without dead ends: 292 [2020-10-27 03:41:22,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:41:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-27 03:41:22,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 223. [2020-10-27 03:41:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-27 03:41:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 269 transitions. [2020-10-27 03:41:22,781 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 269 transitions. Word has length 65 [2020-10-27 03:41:22,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:22,781 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 269 transitions. [2020-10-27 03:41:22,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:41:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 269 transitions. [2020-10-27 03:41:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-27 03:41:22,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:22,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:22,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:41:22,794 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]=== [2020-10-27 03:41:22,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:22,794 INFO L82 PathProgramCache]: Analyzing trace with hash -595043682, now seen corresponding path program 1 times [2020-10-27 03:41:22,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:22,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989865695] [2020-10-27 03:41:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:22,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:23,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:23,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:26,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:26,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:27,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 03:41:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,205 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:28,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 03:41:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:28,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:28,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:28,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:28,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:28,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:28,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:41:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:41:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:28,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:41:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 03:41:28,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:28,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 03:41:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:41:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:41:28,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:28,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 03:41:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:28,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 03:41:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:28,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:28,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:28,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:28,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:41:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:41:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:41:28,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989865695] [2020-10-27 03:41:28,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:28,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 03:41:28,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280002633] [2020-10-27 03:41:28,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 03:41:28,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:28,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 03:41:28,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 03:41:28,465 INFO L87 Difference]: Start difference. First operand 223 states and 269 transitions. Second operand 6 states. [2020-10-27 03:41:28,940 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:29,690 INFO L93 Difference]: Finished difference Result 356 states and 454 transitions. [2020-10-27 03:41:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 03:41:29,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-10-27 03:41:29,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:29,693 INFO L225 Difference]: With dead ends: 356 [2020-10-27 03:41:29,693 INFO L226 Difference]: Without dead ends: 147 [2020-10-27 03:41:29,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:41:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-27 03:41:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 133. [2020-10-27 03:41:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-27 03:41:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 148 transitions. [2020-10-27 03:41:29,738 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 148 transitions. Word has length 73 [2020-10-27 03:41:29,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:29,738 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 148 transitions. [2020-10-27 03:41:29,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 03:41:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2020-10-27 03:41:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 03:41:29,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:29,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:29,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:41:29,740 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]=== [2020-10-27 03:41:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:29,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1878864536, now seen corresponding path program 1 times [2020-10-27 03:41:29,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:29,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001381857] [2020-10-27 03:41:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:29,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:30,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:41:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 03:41:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,212 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:35,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:41:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:41:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:41:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:41:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:41:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:41:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:41:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:41:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:41:35,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:41:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:41:35,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:41:35,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:41:35,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:41:35,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:41:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:41:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 03:41:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:35,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:41:35,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:41:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 03:41:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:35,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:35,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:41:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:41:35,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:41:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:41:35,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001381857] [2020-10-27 03:41:35,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:41:35,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:41:35,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302708777] [2020-10-27 03:41:35,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:41:35,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:41:35,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:41:35,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:41:35,477 INFO L87 Difference]: Start difference. First operand 133 states and 148 transitions. Second operand 9 states. [2020-10-27 03:41:36,042 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:41:37,224 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:37,696 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:38,105 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:41:38,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:41:38,380 INFO L93 Difference]: Finished difference Result 149 states and 171 transitions. [2020-10-27 03:41:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:41:38,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-27 03:41:38,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:41:38,382 INFO L225 Difference]: With dead ends: 149 [2020-10-27 03:41:38,382 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 03:41:38,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:41:38,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 03:41:38,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 03:41:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 03:41:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 03:41:38,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-27 03:41:38,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:41:38,385 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 03:41:38,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:41:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 03:41:38,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 03:41:38,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:41:38,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 03:41:38,869 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 9 [2020-10-27 03:41:39,067 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 9 [2020-10-27 03:41:41,794 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:41:42,110 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:42,389 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:41:42,701 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:43,026 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:43,653 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:41:44,031 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:41:44,617 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:44,922 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:41:45,516 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-27 03:41:46,119 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:46,693 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-27 03:41:46,994 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:41:47,311 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:47,898 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:48,477 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:41:49,085 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-27 03:41:49,389 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:49,684 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:49,988 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:50,261 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-27 03:41:50,554 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-27 03:41:51,114 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:51,694 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:52,289 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:52,874 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-27 03:41:52,878 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 03:41:52,879 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 03:41:52,879 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 03:41:52,879 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 03:41:52,880 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-10-27 03:41:52,880 INFO L274 CegarLoopResult]: For program point L224-2(lines 224 245) no Hoare annotation was computed. [2020-10-27 03:41:52,880 INFO L274 CegarLoopResult]: For program point L246(lines 223 247) no Hoare annotation was computed. [2020-10-27 03:41:52,880 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 199 254) no Hoare annotation was computed. [2020-10-27 03:41:52,880 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 199 254) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L230(lines 230 234) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L230-1(lines 230 234) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 199 254) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L287-1(lines 287 291) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 306) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 255 314) no Hoare annotation was computed. [2020-10-27 03:41:52,881 INFO L274 CegarLoopResult]: For program point L307(lines 280 308) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 255 314) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 255 314) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2020-10-27 03:41:52,882 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2020-10-27 03:41:52,883 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2020-10-27 03:41:52,883 INFO L270 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:41:52,883 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 914 938) the Hoare annotation is: true [2020-10-27 03:41:52,883 INFO L274 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-10-27 03:41:52,883 INFO L270 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:41:52,883 INFO L274 CegarLoopResult]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-10-27 03:41:52,884 INFO L274 CegarLoopResult]: For program point L922(lines 922 935) no Hoare annotation was computed. [2020-10-27 03:41:52,884 INFO L274 CegarLoopResult]: For program point L922-1(lines 914 938) no Hoare annotation was computed. [2020-10-27 03:41:52,884 INFO L277 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: true [2020-10-27 03:41:52,884 INFO L274 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-10-27 03:41:52,884 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 914 938) no Hoare annotation was computed. [2020-10-27 03:41:52,884 INFO L270 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,884 INFO L270 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,885 INFO L270 CegarLoopResult]: At program point L896-1(line 896) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,885 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,885 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-10-27 03:41:52,885 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-10-27 03:41:52,885 INFO L270 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,885 INFO L270 CegarLoopResult]: At program point L902-1(line 902) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 849 872) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-10-27 03:41:52,886 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 849 872) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 849 872) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-27 03:41:52,887 INFO L274 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-27 03:41:52,888 INFO L274 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-27 03:41:52,888 INFO L274 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-10-27 03:41:52,888 INFO L274 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-10-27 03:41:52,888 INFO L270 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,888 INFO L270 CegarLoopResult]: At program point L668(line 668) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,888 INFO L274 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-10-27 03:41:52,888 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,889 INFO L274 CegarLoopResult]: For program point L664-1(line 664) no Hoare annotation was computed. [2020-10-27 03:41:52,889 INFO L274 CegarLoopResult]: For program point L662(lines 662 679) no Hoare annotation was computed. [2020-10-27 03:41:52,889 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 658 682) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,889 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 658 682) no Hoare annotation was computed. [2020-10-27 03:41:52,889 INFO L270 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,889 INFO L274 CegarLoopResult]: For program point L677-1(lines 658 682) no Hoare annotation was computed. [2020-10-27 03:41:52,889 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 753 761) no Hoare annotation was computed. [2020-10-27 03:41:52,889 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 753 761) the Hoare annotation is: true [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 753 761) no Hoare annotation was computed. [2020-10-27 03:41:52,890 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 798 816) the Hoare annotation is: true [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 798 816) no Hoare annotation was computed. [2020-10-27 03:41:52,890 INFO L277 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: true [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 811) no Hoare annotation was computed. [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-10-27 03:41:52,890 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 798 816) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L769(lines 769 777) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L769-2(lines 769 777) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 762 797) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L781(lines 781 789) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 789) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 762 797) no Hoare annotation was computed. [2020-10-27 03:41:52,891 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 762 797) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 153 198) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 153 198) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 153 198) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point L480(lines 480 500) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point L480-1(lines 480 500) no Hoare annotation was computed. [2020-10-27 03:41:52,892 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 466 511) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point L497(lines 497 498) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 490 491) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 497 498) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 466 511) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point L490(lines 490 491) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-10-27 03:41:52,893 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 466 511) no Hoare annotation was computed. [2020-10-27 03:41:52,894 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 880 889) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,894 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 880 889) no Hoare annotation was computed. [2020-10-27 03:41:52,894 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 880 889) no Hoare annotation was computed. [2020-10-27 03:41:52,894 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 742 752) the Hoare annotation is: true [2020-10-27 03:41:52,894 INFO L277 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: true [2020-10-27 03:41:52,894 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 742 752) no Hoare annotation was computed. [2020-10-27 03:41:52,894 INFO L274 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-10-27 03:41:52,895 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 742 752) no Hoare annotation was computed. [2020-10-27 03:41:52,895 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 734 741) the Hoare annotation is: true [2020-10-27 03:41:52,895 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 734 741) no Hoare annotation was computed. [2020-10-27 03:41:52,895 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 734 741) no Hoare annotation was computed. [2020-10-27 03:41:52,895 INFO L270 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,895 INFO L274 CegarLoopResult]: For program point L703-1(lines 684 708) no Hoare annotation was computed. [2020-10-27 03:41:52,895 INFO L270 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,895 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 684 708) no Hoare annotation was computed. [2020-10-27 03:41:52,896 INFO L270 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,896 INFO L274 CegarLoopResult]: For program point L692(lines 692 700) no Hoare annotation was computed. [2020-10-27 03:41:52,896 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 684 708) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,896 INFO L270 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,896 INFO L274 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-10-27 03:41:52,896 INFO L274 CegarLoopResult]: For program point L688(lines 688 705) no Hoare annotation was computed. [2020-10-27 03:41:52,896 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 650 656) no Hoare annotation was computed. [2020-10-27 03:41:52,897 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 650 656) the Hoare annotation is: true [2020-10-27 03:41:52,897 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-27 03:41:52,897 INFO L274 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-27 03:41:52,897 INFO L270 CegarLoopResult]: At program point testENTRY(lines 515 578) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 03:41:52,897 INFO L270 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,897 INFO L270 CegarLoopResult]: At program point L568(lines 525 570) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,897 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-27 03:41:52,897 INFO L274 CegarLoopResult]: For program point testFINAL(lines 515 578) no Hoare annotation was computed. [2020-10-27 03:41:52,898 INFO L274 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-10-27 03:41:52,898 INFO L274 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-27 03:41:52,898 INFO L270 CegarLoopResult]: At program point L571(lines 524 572) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,898 INFO L274 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-10-27 03:41:52,898 INFO L270 CegarLoopResult]: At program point L561-2(lines 555 566) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,898 INFO L274 CegarLoopResult]: For program point L526(lines 525 570) no Hoare annotation was computed. [2020-10-27 03:41:52,898 INFO L274 CegarLoopResult]: For program point L555(lines 555 566) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L270 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point testEXIT(lines 515 578) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 444 445) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 451 452) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point L444(lines 444 445) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 420 465) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 420 465) no Hoare annotation was computed. [2020-10-27 03:41:52,899 INFO L274 CegarLoopResult]: For program point L434(lines 434 454) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point L434-1(lines 434 454) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 420 465) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point L451(lines 451 452) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 709 716) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 709 716) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 709 716) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2020-10-27 03:41:52,900 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2020-10-27 03:41:52,900 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 317 419) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point L382-1(line 382) no Hoare annotation was computed. [2020-10-27 03:41:52,901 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L405(lines 405 416) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L366-2(lines 366 386) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 317 419) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L387(lines 365 388) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L346(lines 346 362) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L406(lines 406 413) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 317 419) no Hoare annotation was computed. [2020-10-27 03:41:52,902 INFO L274 CegarLoopResult]: For program point L367(lines 366 386) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point L363(lines 363 404) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 584 593) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 584 593) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 584 593) no Hoare annotation was computed. [2020-10-27 03:41:52,903 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#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)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#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~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 717 733) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 717 733) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point L728-1(lines 717 733) no Hoare annotation was computed. [2020-10-27 03:41:52,904 INFO L274 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 119 127) the Hoare annotation is: true [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,905 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,906 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,906 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2020-10-27 03:41:52,906 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-27 03:41:52,906 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-27 03:41:52,906 INFO L270 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,906 INFO L270 CegarLoopResult]: At program point L637(lines 637 643) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,906 INFO L270 CegarLoopResult]: At program point L632(line 632) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,906 INFO L274 CegarLoopResult]: For program point L630(lines 629 648) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 626 649) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,907 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 626 649) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 626 649) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L270 CegarLoopResult]: At program point L833-1(lines 833 837) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,907 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L274 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-27 03:41:52,907 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,908 INFO L270 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,908 INFO L270 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-10-27 03:41:52,908 INFO L277 CegarLoopResult]: At program point L844(lines 819 848) the Hoare annotation is: true [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-10-27 03:41:52,908 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2020-10-27 03:41:52,908 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2020-10-27 03:41:52,908 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-27 03:41:52,909 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 03:41:52,909 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-27 03:41:52,909 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 138 145) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-27 03:41:52,909 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 138 145) the Hoare annotation is: true [2020-10-27 03:41:52,910 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 138 145) no Hoare annotation was computed. [2020-10-27 03:41:52,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:41:52 BoogieIcfgContainer [2020-10-27 03:41:52,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:41:52,931 INFO L168 Benchmark]: Toolchain (without parser) took 52860.68 ms. Allocated memory was 164.6 MB in the beginning and 677.4 MB in the end (delta: 512.8 MB). Free memory was 139.3 MB in the beginning and 598.8 MB in the end (delta: -459.5 MB). Peak memory consumption was 404.4 MB. Max. memory is 8.0 GB. [2020-10-27 03:41:52,932 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.3 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:41:52,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.90 ms. Allocated memory is still 164.6 MB. Free memory was 138.7 MB in the beginning and 117.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:41:52,933 INFO L168 Benchmark]: Boogie Preprocessor took 112.50 ms. Allocated memory is still 164.6 MB. Free memory was 117.9 MB in the beginning and 114.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:41:52,934 INFO L168 Benchmark]: RCFGBuilder took 1541.28 ms. Allocated memory is still 164.6 MB. Free memory was 113.9 MB in the beginning and 105.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2020-10-27 03:41:52,935 INFO L168 Benchmark]: TraceAbstraction took 50531.32 ms. Allocated memory was 164.6 MB in the beginning and 677.4 MB in the end (delta: 512.8 MB). Free memory was 104.8 MB in the beginning and 598.8 MB in the end (delta: -494.0 MB). Peak memory consumption was 369.3 MB. Max. memory is 8.0 GB. [2020-10-27 03:41:52,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.3 MB in the end (delta: 72.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.90 ms. Allocated memory is still 164.6 MB. Free memory was 138.7 MB in the beginning and 117.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.50 ms. Allocated memory is still 164.6 MB. Free memory was 117.9 MB in the beginning and 114.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1541.28 ms. Allocated memory is still 164.6 MB. Free memory was 113.9 MB in the beginning and 105.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50531.32 ms. Allocated memory was 164.6 MB in the beginning and 677.4 MB in the end (delta: 512.8 MB). Free memory was 104.8 MB in the beginning and 598.8 MB in the end (delta: -494.0 MB). Peak memory consumption was 369.3 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: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 444]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 490]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 497]: 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: 829]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 243 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 360 SDtfs, 774 SDslu, 248 SDs, 0 SdLazy, 1320 SolverSat, 493 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 115 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 322 PreInvPairs, 369 NumberOfFragments, 766 HoareAnnotationTreeSize, 322 FomulaSimplifications, 30027 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 10435 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 83434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...