/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:43:02,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:43:02,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:43:02,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:43:02,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:43:02,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:43:02,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:43:02,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:43:02,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:43:02,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:43:02,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:43:02,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:43:02,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:43:02,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:43:02,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:43:02,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:43:02,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:43:02,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:43:02,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:43:02,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:43:02,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:43:02,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:43:02,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:43:02,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:43:02,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:43:02,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:43:02,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:43:02,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:43:02,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:43:02,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:43:02,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:43:02,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:43:02,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:43:02,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:43:02,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:43:02,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:43:02,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:43:02,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:43:02,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:43:02,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:43:02,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:43:02,912 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 [2020-10-29 11:43:02,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:43:02,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:43:02,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:43:02,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:43:02,941 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:43:02,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:43:02,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:43:02,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:43:02,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:43:02,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:43:02,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:43:02,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:43:02,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:43:02,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:43:02,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:43:02,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:43:02,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:43:02,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:43:02,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:43:02,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:43:02,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:43:02,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:43:02,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:43:02,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:43:02,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:43:02,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:43:02,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:43:02,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:43:02,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:43:02,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:43:03,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:43:03,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:43:03,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:43:03,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:43:03,437 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:43:03,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-29 11:43:03,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e79018255/f9a9ae956f7147dea3aa0404b3ed909d/FLAGde403e91d [2020-10-29 11:43:04,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:43:04,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-29 11:43:04,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e79018255/f9a9ae956f7147dea3aa0404b3ed909d/FLAGde403e91d [2020-10-29 11:43:04,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e79018255/f9a9ae956f7147dea3aa0404b3ed909d [2020-10-29 11:43:04,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:43:04,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:43:04,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:43:04,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:43:04,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:43:04,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:43:04" (1/1) ... [2020-10-29 11:43:04,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aae1318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:04, skipping insertion in model container [2020-10-29 11:43:04,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:43:04" (1/1) ... [2020-10-29 11:43:04,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:43:04,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:43:05,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:43:05,123 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:43:05,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:43:05,305 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:43:05,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05 WrapperNode [2020-10-29 11:43:05,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:43:05,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:43:05,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:43:05,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:43:05,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (1/1) ... [2020-10-29 11:43:05,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:43:05,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:43:05,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:43:05,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:43:05,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (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 [2020-10-29 11:43:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:43:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:43:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:43:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:43:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:43:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:43:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:43:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:43:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:43:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:43:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:43:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:43:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:43:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:43:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:43:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:43:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:43:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:43:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:43:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:43:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:43:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:43:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:43:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:43:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:43:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:43:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:43:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:43:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:43:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:43:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:43:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:43:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:43:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:43:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:43:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:43:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:43:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:43:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:43:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:43:06,916 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:43:06,917 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:43:06,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:43:06 BoogieIcfgContainer [2020-10-29 11:43:06,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:43:06,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:43:06,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:43:06,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:43:06,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:43:04" (1/3) ... [2020-10-29 11:43:06,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6568b106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:43:06, skipping insertion in model container [2020-10-29 11:43:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:43:05" (2/3) ... [2020-10-29 11:43:06,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6568b106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:43:06, skipping insertion in model container [2020-10-29 11:43:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:43:06" (3/3) ... [2020-10-29 11:43:06,929 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-10-29 11:43:06,942 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:43:06,948 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:43:06,962 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:43:06,991 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:43:06,991 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:43:06,991 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:43:06,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:43:06,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:43:06,992 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:43:06,992 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:43:06,992 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:43:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-29 11:43:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:43:07,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:07,025 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] [2020-10-29 11:43:07,025 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]=== [2020-10-29 11:43:07,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:07,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1828408060, now seen corresponding path program 1 times [2020-10-29 11:43:07,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:07,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559494436] [2020-10-29 11:43:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:07,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:07,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:07,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:09,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:12,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:43:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:43:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 11:43:12,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:12,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:12,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:43:12,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:43:13,116 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:13,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 11:43:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:13,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:13,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:13,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:13,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:13,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:13,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:13,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:13,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:43:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:13,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:43:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:13,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:13,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:13,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:13,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559494436] [2020-10-29 11:43:13,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:13,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:43:13,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798280254] [2020-10-29 11:43:13,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:43:13,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:13,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:43:13,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:43:13,354 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-10-29 11:43:13,928 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:15,138 INFO L93 Difference]: Finished difference Result 252 states and 333 transitions. [2020-10-29 11:43:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:43:15,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:43:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:15,154 INFO L225 Difference]: With dead ends: 252 [2020-10-29 11:43:15,154 INFO L226 Difference]: Without dead ends: 135 [2020-10-29 11:43:15,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:43:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-29 11:43:15,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-10-29 11:43:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-29 11:43:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-10-29 11:43:15,276 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-10-29 11:43:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:15,277 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-10-29 11:43:15,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:43:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-10-29 11:43:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 11:43:15,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:15,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:43:15,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:43:15,283 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]=== [2020-10-29 11:43:15,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash 259638242, now seen corresponding path program 1 times [2020-10-29 11:43:15,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:15,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660810085] [2020-10-29 11:43:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 11:43:20,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:43:20,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 11:43:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:20,769 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:20,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 11:43:20,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:20,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:43:20,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:20,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:20,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:20,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:43:20,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:20,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:20,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:20,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:43:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:20,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:20,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:43:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:43:20,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:20,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:43:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:20,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:21,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:21,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:21,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:43:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:21,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:21,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:21,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:21,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:21,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:43:21,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:21,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:21,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:21,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:21,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:43:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:21,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:21,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:21,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:21,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:21,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:21,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:43:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:43:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:43:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:21,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660810085] [2020-10-29 11:43:21,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:21,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:43:21,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546554710] [2020-10-29 11:43:21,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:43:21,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:21,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:43:21,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:43:21,061 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-10-29 11:43:21,599 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:23,043 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:23,548 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:24,016 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:24,416 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:25,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:25,986 INFO L93 Difference]: Finished difference Result 329 states and 451 transitions. [2020-10-29 11:43:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:43:25,992 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-29 11:43:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:25,996 INFO L225 Difference]: With dead ends: 329 [2020-10-29 11:43:25,997 INFO L226 Difference]: Without dead ends: 248 [2020-10-29 11:43:26,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:43:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-29 11:43:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 183. [2020-10-29 11:43:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-29 11:43:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 222 transitions. [2020-10-29 11:43:26,115 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 222 transitions. Word has length 60 [2020-10-29 11:43:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:26,115 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 222 transitions. [2020-10-29 11:43:26,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:43:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 222 transitions. [2020-10-29 11:43:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 11:43:26,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:43:26,120 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] [2020-10-29 11:43:26,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:43:26,120 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]=== [2020-10-29 11:43:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:43:26,121 INFO L82 PathProgramCache]: Analyzing trace with hash -700618564, now seen corresponding path program 1 times [2020-10-29 11:43:26,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:43:26,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696663128] [2020-10-29 11:43:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:43:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:26,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:28,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 11:43:31,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:43:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:43:31,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:43:31,663 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:31,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:43:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:31,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 11:43:31,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:43:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:43:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:31,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:31,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:43:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:31,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:31,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:43:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:43:31,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:43:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:43:31,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:43:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:31,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:43:31,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:43:31,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:43:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:43:31,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:43:31,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:43:31,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:31,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:43:31,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:43:31,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:43:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:43:31,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:43:31,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:43:31,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:43:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:31,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:43:31,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:43:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:43:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 11:43:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:43:31,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:43:31,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:43:31,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:43:31,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:43:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:43:31,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:43:31,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:43:31,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:43:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:43:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:43:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:43:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:43:32,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696663128] [2020-10-29 11:43:32,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:43:32,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:43:32,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978116318] [2020-10-29 11:43:32,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:43:32,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:43:32,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:43:32,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:43:32,012 INFO L87 Difference]: Start difference. First operand 183 states and 222 transitions. Second operand 9 states. [2020-10-29 11:43:32,600 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:43:34,153 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-29 11:43:34,605 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:43:34,999 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:43:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:43:35,248 INFO L93 Difference]: Finished difference Result 302 states and 390 transitions. [2020-10-29 11:43:35,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:43:35,253 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-29 11:43:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:43:35,253 INFO L225 Difference]: With dead ends: 302 [2020-10-29 11:43:35,254 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:43:35,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:43:35,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:43:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:43:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:43:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:43:35,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-29 11:43:35,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:43:35,264 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:43:35,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:43:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:43:35,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:43:35,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:43:35,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:43:35,398 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:43:37,781 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:43:38,079 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:38,347 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:43:38,658 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:43:38,937 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:39,222 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:39,562 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:43:40,158 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:40,425 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:43:40,984 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-29 11:43:41,572 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:42,122 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-29 11:43:42,405 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:42,679 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:43:43,231 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:43,533 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:43,815 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:44,112 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:44,414 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:43:44,974 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:45,500 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:46,033 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:43:46,594 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:47,132 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-10-29 11:43:47,137 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:43:47,137 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point L608-2(lines 608 629) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point L630(lines 607 631) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 583 638) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 583 638) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-10-29 11:43:47,138 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 583 638) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L665-2(lines 665 690) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 639 698) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L691(lines 664 692) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 639 698) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-29 11:43:47,139 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 639 698) no Hoare annotation was computed. [2020-10-29 11:43:47,140 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 202 208) the Hoare annotation is: true [2020-10-29 11:43:47,140 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 202 208) no Hoare annotation was computed. [2020-10-29 11:43:47,140 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 209 217) no Hoare annotation was computed. [2020-10-29 11:43:47,140 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 209 217) the Hoare annotation is: true [2020-10-29 11:43:47,140 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 209 217) no Hoare annotation was computed. [2020-10-29 11:43:47,140 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-10-29 11:43:47,140 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:43:47,140 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L270 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L277 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L161(lines 161 168) no Hoare annotation was computed. [2020-10-29 11:43:47,141 INFO L274 CegarLoopResult]: For program point L161-1(lines 161 168) no Hoare annotation was computed. [2020-10-29 11:43:47,142 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 11:43:47,142 INFO L270 CegarLoopResult]: At program point L158(line 158) 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))) [2020-10-29 11:43:47,142 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 151 173) 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))) [2020-10-29 11:43:47,142 INFO L270 CegarLoopResult]: At program point L157(line 157) 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))) [2020-10-29 11:43:47,142 INFO L270 CegarLoopResult]: At program point L157-1(line 157) 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))) [2020-10-29 11:43:47,143 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 151 173) no Hoare annotation was computed. [2020-10-29 11:43:47,143 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 151 173) no Hoare annotation was computed. [2020-10-29 11:43:47,143 INFO L270 CegarLoopResult]: At program point L163(line 163) 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))) [2020-10-29 11:43:47,143 INFO L270 CegarLoopResult]: At program point L163-1(line 163) 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))) [2020-10-29 11:43:47,143 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 106 129) no Hoare annotation was computed. [2020-10-29 11:43:47,143 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 106 129) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 106 129) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 11:43:47,144 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 11:43:47,145 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 377 385) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 377 385) the Hoare annotation is: true [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 377 385) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L277 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 435) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 422 440) the Hoare annotation is: true [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 422 440) no Hoare annotation was computed. [2020-10-29 11:43:47,146 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 422 440) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 386 421) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L393(lines 393 401) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point L393-2(lines 393 401) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 386 421) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 386 421) no Hoare annotation was computed. [2020-10-29 11:43:47,147 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 195 201) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 195 201) the Hoare annotation is: true [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 537 582) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 537 582) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 537 582) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point L864(lines 864 884) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point L864-1(lines 864 884) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 850 895) no Hoare annotation was computed. [2020-10-29 11:43:47,148 INFO L274 CegarLoopResult]: For program point L881(lines 881 882) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 874 875) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 881 882) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 850 895) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point L874(lines 874 875) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 850 895) no Hoare annotation was computed. [2020-10-29 11:43:47,149 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 138 147) 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))) [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 138 147) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 138 147) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 366 376) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 366 376) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 366 376) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-10-29 11:43:47,150 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 358 365) the Hoare annotation is: true [2020-10-29 11:43:47,150 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 358 365) no Hoare annotation was computed. [2020-10-29 11:43:47,151 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 358 365) no Hoare annotation was computed. [2020-10-29 11:43:47,151 INFO L270 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,151 INFO L274 CegarLoopResult]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2020-10-29 11:43:47,151 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 325 349) no Hoare annotation was computed. [2020-10-29 11:43:47,151 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 325 349) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,151 INFO L270 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,151 INFO L270 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,152 INFO L274 CegarLoopResult]: For program point L333(lines 333 341) no Hoare annotation was computed. [2020-10-29 11:43:47,152 INFO L270 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,152 INFO L274 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-10-29 11:43:47,152 INFO L274 CegarLoopResult]: For program point L329(lines 329 346) no Hoare annotation was computed. [2020-10-29 11:43:47,152 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 317 323) no Hoare annotation was computed. [2020-10-29 11:43:47,152 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 317 323) the Hoare annotation is: true [2020-10-29 11:43:47,152 INFO L270 CegarLoopResult]: At program point testENTRY(lines 219 282) 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))) [2020-10-29 11:43:47,152 INFO L274 CegarLoopResult]: For program point testFINAL(lines 219 282) no Hoare annotation was computed. [2020-10-29 11:43:47,153 INFO L270 CegarLoopResult]: At program point L275(lines 228 276) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,153 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-10-29 11:43:47,153 INFO L270 CegarLoopResult]: At program point L265-2(lines 259 270) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,153 INFO L274 CegarLoopResult]: For program point L230(lines 229 274) no Hoare annotation was computed. [2020-10-29 11:43:47,153 INFO L274 CegarLoopResult]: For program point L259(lines 259 270) no Hoare annotation was computed. [2020-10-29 11:43:47,153 INFO L270 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,153 INFO L274 CegarLoopResult]: For program point L249(lines 249 255) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point L249-1(lines 249 255) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L270 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,154 INFO L270 CegarLoopResult]: At program point L272(lines 229 274) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point L239-1(lines 239 245) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point testEXIT(lines 219 282) no Hoare annotation was computed. [2020-10-29 11:43:47,154 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 828 829) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 835 836) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point L828(lines 828 829) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 804 849) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point L824(lines 824 831) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 804 849) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point L818(lines 818 838) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point L818-1(lines 818 838) no Hoare annotation was computed. [2020-10-29 11:43:47,155 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 804 849) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point L835(lines 835 836) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 521 529) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 521 529) the Hoare annotation is: true [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 521 529) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point L497(lines 497 505) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point L497-2(lines 497 505) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 489 511) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 489 511) no Hoare annotation was computed. [2020-10-29 11:43:47,156 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 489 511) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 185 194) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 185 194) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 185 194) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 701 803) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-10-29 11:43:47,157 INFO L274 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-10-29 11:43:47,158 INFO L274 CegarLoopResult]: For program point L789(lines 789 800) no Hoare annotation was computed. [2020-10-29 11:43:47,158 INFO L274 CegarLoopResult]: For program point L752(lines 752 756) no Hoare annotation was computed. [2020-10-29 11:43:47,158 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 770) no Hoare annotation was computed. [2020-10-29 11:43:47,158 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 701 803) no Hoare annotation was computed. [2020-10-29 11:43:47,158 INFO L274 CegarLoopResult]: For program point L771(lines 749 772) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L730(lines 730 746) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 701 803) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L751(lines 750 770) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point L747(lines 747 788) no Hoare annotation was computed. [2020-10-29 11:43:47,159 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,160 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:43:47,160 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,160 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 350 357) no Hoare annotation was computed. [2020-10-29 11:43:47,160 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 350 357) no Hoare annotation was computed. [2020-10-29 11:43:47,160 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 350 357) no Hoare annotation was computed. [2020-10-29 11:43:47,160 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 512 520) the Hoare annotation is: true [2020-10-29 11:43:47,160 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 512 520) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 512 520) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 468 479) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point L472-1(lines 468 479) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 468 479) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,161 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,162 INFO L270 CegarLoopResult]: At program point L306(line 306) 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))) [2020-10-29 11:43:47,162 INFO L270 CegarLoopResult]: At program point L304(lines 304 310) 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))) [2020-10-29 11:43:47,162 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 293 316) 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))) [2020-10-29 11:43:47,162 INFO L270 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:43:47,162 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 293 316) no Hoare annotation was computed. [2020-10-29 11:43:47,162 INFO L274 CegarLoopResult]: For program point L297(lines 296 315) no Hoare annotation was computed. [2020-10-29 11:43:47,162 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 293 316) no Hoare annotation was computed. [2020-10-29 11:43:47,163 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 73 102) no Hoare annotation was computed. [2020-10-29 11:43:47,163 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-29 11:43:47,163 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 73 102) 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))) [2020-10-29 11:43:47,163 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-10-29 11:43:47,163 INFO L270 CegarLoopResult]: At program point L87-1(lines 87 91) 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))) [2020-10-29 11:43:47,163 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 11:43:47,163 INFO L270 CegarLoopResult]: At program point L83-2(lines 83 97) 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))) [2020-10-29 11:43:47,164 INFO L270 CegarLoopResult]: At program point L79(line 79) 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))) [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point L79-1(line 79) no Hoare annotation was computed. [2020-10-29 11:43:47,164 INFO L277 CegarLoopResult]: At program point L98(lines 73 102) the Hoare annotation is: true [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 480 488) no Hoare annotation was computed. [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 480 488) no Hoare annotation was computed. [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 480 488) no Hoare annotation was computed. [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2020-10-29 11:43:47,164 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 444 455) the Hoare annotation is: true [2020-10-29 11:43:47,164 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 444 455) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 130 136) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 130 136) the Hoare annotation is: true [2020-10-29 11:43:47,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-29 11:43:47,165 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:43:47,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 456 467) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L274 CegarLoopResult]: For program point L460-1(lines 456 467) no Hoare annotation was computed. [2020-10-29 11:43:47,165 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 456 467) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:43:47,166 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 175 182) no Hoare annotation was computed. [2020-10-29 11:43:47,166 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 175 182) the Hoare annotation is: true [2020-10-29 11:43:47,166 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 175 182) no Hoare annotation was computed. [2020-10-29 11:43:47,166 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 11:43:47,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:43:47 BoogieIcfgContainer [2020-10-29 11:43:47,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:43:47,197 INFO L168 Benchmark]: Toolchain (without parser) took 42691.87 ms. Allocated memory was 125.8 MB in the beginning and 566.2 MB in the end (delta: 440.4 MB). Free memory was 100.2 MB in the beginning and 215.8 MB in the end (delta: -115.7 MB). Peak memory consumption was 341.7 MB. Max. memory is 8.0 GB. [2020-10-29 11:43:47,197 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:43:47,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.24 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 79.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:43:47,200 INFO L168 Benchmark]: Boogie Preprocessor took 151.34 ms. Allocated memory is still 125.8 MB. Free memory was 79.1 MB in the beginning and 75.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:43:47,201 INFO L168 Benchmark]: RCFGBuilder took 1459.95 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 75.4 MB in the beginning and 104.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:43:47,203 INFO L168 Benchmark]: TraceAbstraction took 40273.71 ms. Allocated memory was 155.2 MB in the beginning and 566.2 MB in the end (delta: 411.0 MB). Free memory was 103.5 MB in the beginning and 215.8 MB in the end (delta: -112.3 MB). Peak memory consumption was 314.5 MB. Max. memory is 8.0 GB. [2020-10-29 11:43:47,211 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 is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 793.24 ms. Allocated memory is still 125.8 MB. Free memory was 99.5 MB in the beginning and 79.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.34 ms. Allocated memory is still 125.8 MB. Free memory was 79.1 MB in the beginning and 75.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1459.95 ms. Allocated memory was 125.8 MB in the beginning and 155.2 MB in the end (delta: 29.4 MB). Free memory was 75.4 MB in the beginning and 104.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40273.71 ms. Allocated memory was 155.2 MB in the beginning and 566.2 MB in the end (delta: 411.0 MB). Free memory was 103.5 MB in the beginning and 215.8 MB in the end (delta: -112.3 MB). Peak memory consumption was 314.5 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: 835]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 828]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 874]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 881]: 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: 229]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 259 SDtfs, 518 SDslu, 230 SDs, 0 SdLazy, 1096 SolverSat, 316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred 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, 3 MinimizatonAttempts, 95 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 254 PreInvPairs, 301 NumberOfFragments, 712 HoareAnnotationTreeSize, 254 FomulaSimplifications, 21547 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 50 FomulaSimplificationsInter, 9533 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 55780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...