/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec2_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:46:43,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:46:43,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:46:43,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:46:43,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:46:43,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:46:43,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:46:43,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:46:43,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:46:43,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:46:43,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:46:43,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:46:43,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:46:43,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:46:43,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:46:43,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:46:43,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:46:43,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:46:43,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:46:43,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:46:43,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:46:43,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:46:43,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:46:43,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:46:43,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:46:43,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:46:43,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:46:43,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:46:43,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:46:43,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:46:43,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:46:43,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:46:43,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:46:43,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:46:43,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:46:43,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:46:43,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:46:43,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:46:43,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:46:43,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:46:43,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:46:43,998 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 [2020-10-28 16:46:44,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:46:44,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:46:44,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:46:44,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:46:44,040 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:46:44,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:46:44,041 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:46:44,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:46:44,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:46:44,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:46:44,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:46:44,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:46:44,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:46:44,042 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:46:44,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:46:44,043 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:46:44,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:46:44,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:46:44,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:46:44,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:46:44,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:46:44,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:46:44,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:46:44,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:46:44,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:46:44,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:46:44,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:46:44,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:46:44,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:46:44,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:46:44,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:46:44,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:46:44,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:46:44,453 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:46:44,453 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:46:44,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-10-28 16:46:44,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/951f2a7e9/9d66cf62426246bfa36cea2da4f5107b/FLAG46a3b1b33 [2020-10-28 16:46:45,327 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:46:45,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-10-28 16:46:45,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/951f2a7e9/9d66cf62426246bfa36cea2da4f5107b/FLAG46a3b1b33 [2020-10-28 16:46:45,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/951f2a7e9/9d66cf62426246bfa36cea2da4f5107b [2020-10-28 16:46:45,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:46:45,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:46:45,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:45,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:46:45,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:46:45,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:45" (1/1) ... [2020-10-28 16:46:45,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29676c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:45, skipping insertion in model container [2020-10-28 16:46:45,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:45" (1/1) ... [2020-10-28 16:46:45,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:46:45,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:46:46,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:46,104 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:46:46,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:46,268 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:46:46,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46 WrapperNode [2020-10-28 16:46:46,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:46,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:46:46,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:46:46,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:46:46,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (1/1) ... [2020-10-28 16:46:46,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:46:46,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:46:46,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:46:46,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:46:46,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (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 [2020-10-28 16:46:46,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:46:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:46:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:46:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:46:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:46:46,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:46:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:46:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:46:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:46:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:46:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:46:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:46:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:46:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:46:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:46:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:46:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:46:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:46:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:46:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:46:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:46:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:46:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:46:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:46:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:46:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:46:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:46:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:46:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:46:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:46:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:46:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:46:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:46:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:46:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:46:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:46:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:46:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:46:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:46:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:46:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:46:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:46:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:46:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:46:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:46:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:46:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:46:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:46:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:46,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:46:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:46:47,881 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:46:47,881 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:46:47,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:47 BoogieIcfgContainer [2020-10-28 16:46:47,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:46:47,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:46:47,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:46:47,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:46:47,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:46:45" (1/3) ... [2020-10-28 16:46:47,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb8303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:47, skipping insertion in model container [2020-10-28 16:46:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:46" (2/3) ... [2020-10-28 16:46:47,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb8303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:47, skipping insertion in model container [2020-10-28 16:46:47,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:47" (3/3) ... [2020-10-28 16:46:47,894 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-10-28 16:46:47,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:46:47,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:46:47,925 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:46:47,960 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:46:47,961 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:46:47,961 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:46:47,961 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:46:47,961 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:46:47,961 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:46:47,961 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:46:47,962 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:46:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-10-28 16:46:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:46:47,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:47,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:47,999 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]=== [2020-10-28 16:46:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:48,006 INFO L82 PathProgramCache]: Analyzing trace with hash 141090819, now seen corresponding path program 1 times [2020-10-28 16:46:48,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:48,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292294286] [2020-10-28 16:46:48,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:48,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:50,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:50,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:46:53,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 16:46:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:46:53,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:46:53,787 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:53,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 16:46:53,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:53,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:53,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:53,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:53,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:53,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:53,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:53,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:53,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:53,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:53,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:53,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:53,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:53,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:53,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:53,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:53,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:53,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292294286] [2020-10-28 16:46:53,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:53,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:46:53,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317601802] [2020-10-28 16:46:53,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:46:53,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:53,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:46:53,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:53,963 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-10-28 16:46:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:55,530 INFO L93 Difference]: Finished difference Result 308 states and 406 transitions. [2020-10-28 16:46:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:46:55,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:46:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:55,547 INFO L225 Difference]: With dead ends: 308 [2020-10-28 16:46:55,547 INFO L226 Difference]: Without dead ends: 171 [2020-10-28 16:46:55,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-28 16:46:55,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 135. [2020-10-28 16:46:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-28 16:46:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-10-28 16:46:55,658 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 52 [2020-10-28 16:46:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:55,658 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-10-28 16:46:55,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:46:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-10-28 16:46:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:46:55,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:55,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:55,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:46:55,663 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]=== [2020-10-28 16:46:55,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:55,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1253278566, now seen corresponding path program 1 times [2020-10-28 16:46:55,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:55,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374986022] [2020-10-28 16:46:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:55,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:47:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:47:00,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:47:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:47:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:01,034 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:47:01,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:01,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:01,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:01,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:01,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:47:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:01,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:01,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:01,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:47:01,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374986022] [2020-10-28 16:47:01,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:01,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:47:01,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237224511] [2020-10-28 16:47:01,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:47:01,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:01,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:47:01,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:47:01,158 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 5 states. [2020-10-28 16:47:01,937 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:03,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:03,046 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-10-28 16:47:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:47:03,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:47:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:03,057 INFO L225 Difference]: With dead ends: 240 [2020-10-28 16:47:03,058 INFO L226 Difference]: Without dead ends: 161 [2020-10-28 16:47:03,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:47:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-28 16:47:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2020-10-28 16:47:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-28 16:47:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-10-28 16:47:03,135 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 53 [2020-10-28 16:47:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:03,135 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-10-28 16:47:03,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:47:03,136 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-10-28 16:47:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:47:03,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:03,138 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] [2020-10-28 16:47:03,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:47:03,139 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]=== [2020-10-28 16:47:03,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:03,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1519182930, now seen corresponding path program 1 times [2020-10-28 16:47:03,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:03,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109814228] [2020-10-28 16:47:03,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:03,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:04,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:04,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:47:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,485 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:08,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:47:08,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:08,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:08,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:47:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:47:08,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109814228] [2020-10-28 16:47:08,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:08,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:08,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149525655] [2020-10-28 16:47:08,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:08,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:08,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:08,646 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 6 states. [2020-10-28 16:47:09,005 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:09,830 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:11,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:11,640 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2020-10-28 16:47:11,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:47:11,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:47:11,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:11,646 INFO L225 Difference]: With dead ends: 431 [2020-10-28 16:47:11,646 INFO L226 Difference]: Without dead ends: 333 [2020-10-28 16:47:11,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:47:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-28 16:47:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 262. [2020-10-28 16:47:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-28 16:47:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 321 transitions. [2020-10-28 16:47:11,749 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 321 transitions. Word has length 58 [2020-10-28 16:47:11,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:11,749 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 321 transitions. [2020-10-28 16:47:11,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 321 transitions. [2020-10-28 16:47:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:47:11,752 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:11,753 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] [2020-10-28 16:47:11,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:47:11,753 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:47:11,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:11,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1973549188, now seen corresponding path program 1 times [2020-10-28 16:47:11,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:11,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991597301] [2020-10-28 16:47:11,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:11,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:13,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:16,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:47:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:47:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,153 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:17,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:17,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:17,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:17,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:17,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:47:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:47:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:17,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:17,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:17,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:47:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:17,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:17,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:17,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:47:17,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991597301] [2020-10-28 16:47:17,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:17,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:17,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440830933] [2020-10-28 16:47:17,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:17,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:17,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:17,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:17,322 INFO L87 Difference]: Start difference. First operand 262 states and 321 transitions. Second operand 6 states. [2020-10-28 16:47:17,777 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:20,360 INFO L93 Difference]: Finished difference Result 684 states and 949 transitions. [2020-10-28 16:47:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:47:20,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:47:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:20,371 INFO L225 Difference]: With dead ends: 684 [2020-10-28 16:47:20,371 INFO L226 Difference]: Without dead ends: 680 [2020-10-28 16:47:20,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-28 16:47:20,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 504. [2020-10-28 16:47:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-28 16:47:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 628 transitions. [2020-10-28 16:47:20,569 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 628 transitions. Word has length 63 [2020-10-28 16:47:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:20,570 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 628 transitions. [2020-10-28 16:47:20,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 628 transitions. [2020-10-28 16:47:20,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:47:20,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:20,574 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:20,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:47:20,575 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:47:20,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:20,576 INFO L82 PathProgramCache]: Analyzing trace with hash -2012431956, now seen corresponding path program 1 times [2020-10-28 16:47:20,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:20,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052087749] [2020-10-28 16:47:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:20,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:20,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:25,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:47:25,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:47:25,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,917 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:25,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:25,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:26,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:47:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:47:26,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:47:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:47:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:26,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:26,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:47:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:26,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:47:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 16:47:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:26,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:47:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:47:26,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052087749] [2020-10-28 16:47:26,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:47:26,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:47:26,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286374331] [2020-10-28 16:47:26,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:47:26,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:26,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:47:26,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:47:26,262 INFO L87 Difference]: Start difference. First operand 504 states and 628 transitions. Second operand 13 states. [2020-10-28 16:47:26,944 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:28,257 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:47:28,883 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-28 16:47:29,547 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-28 16:47:30,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:30,086 INFO L93 Difference]: Finished difference Result 716 states and 958 transitions. [2020-10-28 16:47:30,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:47:30,087 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-28 16:47:30,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:30,088 INFO L225 Difference]: With dead ends: 716 [2020-10-28 16:47:30,088 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:47:30,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:47:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:47:30,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:47:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:47:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:47:30,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2020-10-28 16:47:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:30,094 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:47:30,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:47:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:47:30,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:47:30,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:30,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:47:30,382 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 11 [2020-10-28 16:47:31,256 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2020-10-28 16:47:32,618 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 222 [2020-10-28 16:47:34,356 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:34,534 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:34,775 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:34,984 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-28 16:47:35,214 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:35,612 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:35,860 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:36,143 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-10-28 16:47:36,620 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-28 16:47:36,896 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:37,337 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:47:37,588 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:47:38,000 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:47:38,430 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:47:38,649 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:38,876 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:39,299 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:39,565 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-10-28 16:47:39,779 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:40,211 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:40,631 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:40,837 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:41,087 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:41,308 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:41,522 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:47:41,876 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:42,236 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:47:42,465 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-10-28 16:47:42,904 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:43,332 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:43,578 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-28 16:47:43,583 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,583 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:47:43,583 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2020-10-28 16:47:43,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L717(lines 694 718) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point L778(lines 751 779) no Hoare annotation was computed. [2020-10-28 16:47:43,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2020-10-28 16:47:43,586 INFO L274 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-10-28 16:47:43,586 INFO L274 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-10-28 16:47:43,586 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 472 478) the Hoare annotation is: true [2020-10-28 16:47:43,586 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 472 478) no Hoare annotation was computed. [2020-10-28 16:47:43,586 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 479 487) no Hoare annotation was computed. [2020-10-28 16:47:43,586 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 479 487) the Hoare annotation is: true [2020-10-28 16:47:43,586 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 479 487) no Hoare annotation was computed. [2020-10-28 16:47:43,587 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 430 452) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,587 INFO L270 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,587 INFO L270 CegarLoopResult]: At program point L442-1(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,587 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 430 452) no Hoare annotation was computed. [2020-10-28 16:47:43,587 INFO L274 CegarLoopResult]: For program point L440(lines 440 447) no Hoare annotation was computed. [2020-10-28 16:47:43,587 INFO L274 CegarLoopResult]: For program point L440-1(lines 440 447) no Hoare annotation was computed. [2020-10-28 16:47:43,587 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 16:47:43,588 INFO L270 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,588 INFO L270 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,588 INFO L270 CegarLoopResult]: At program point L436-1(line 436) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,588 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 430 452) no Hoare annotation was computed. [2020-10-28 16:47:43,588 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 384 407) no Hoare annotation was computed. [2020-10-28 16:47:43,588 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 384 407) no Hoare annotation was computed. [2020-10-28 16:47:43,588 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 384 407) no Hoare annotation was computed. [2020-10-28 16:47:43,588 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-28 16:47:43,589 INFO L274 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,590 INFO L270 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 170 194) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,590 INFO L270 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L176-1(line 176) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 170 194) no Hoare annotation was computed. [2020-10-28 16:47:43,590 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 329 343) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L270 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 329 343) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 329 343) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 265 273) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 265 273) the Hoare annotation is: true [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 265 273) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L277 CegarLoopResult]: At program point L317(line 317) the Hoare annotation is: true [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 323) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L274 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2020-10-28 16:47:43,591 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 310 328) the Hoare annotation is: true [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 310 328) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 310 328) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 274 309) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 274 309) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L293(lines 293 301) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point L293-2(lines 293 301) no Hoare annotation was computed. [2020-10-28 16:47:43,592 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 274 309) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 465 471) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 465 471) the Hoare annotation is: true [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point L961(lines 961 962) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point L951(lines 951 971) no Hoare annotation was computed. [2020-10-28 16:47:43,593 INFO L274 CegarLoopResult]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 961 962) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 968 969) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point L968(lines 968 969) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 416 426) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 416 426) no Hoare annotation was computed. [2020-10-28 16:47:43,594 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 416 426) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L270 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,595 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 254 264) the Hoare annotation is: true [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 254 264) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 254 264) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L277 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 246 253) the Hoare annotation is: true [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 246 253) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 246 253) no Hoare annotation was computed. [2020-10-28 16:47:43,595 INFO L270 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,595 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 196 220) no Hoare annotation was computed. [2020-10-28 16:47:43,596 INFO L274 CegarLoopResult]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2020-10-28 16:47:43,596 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 196 220) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,596 INFO L270 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,596 INFO L270 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,596 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-28 16:47:43,596 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,596 INFO L274 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-28 16:47:43,596 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-28 16:47:43,596 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2020-10-28 16:47:43,597 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2020-10-28 16:47:43,597 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-10-28 16:47:43,597 INFO L270 CegarLoopResult]: At program point testENTRY(lines 57 124) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,597 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,597 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-10-28 16:47:43,597 INFO L274 CegarLoopResult]: For program point testFINAL(lines 57 124) no Hoare annotation was computed. [2020-10-28 16:47:43,597 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 93) no Hoare annotation was computed. [2020-10-28 16:47:43,597 INFO L270 CegarLoopResult]: At program point L114(lines 67 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,597 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-10-28 16:47:43,598 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,598 INFO L270 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-28 16:47:43,598 INFO L270 CegarLoopResult]: At program point L105-1(lines 97 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-10-28 16:47:43,598 INFO L270 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,598 INFO L274 CegarLoopResult]: For program point testEXIT(lines 57 124) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 915 916) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 922 923) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point L922(lines 922 923) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point L915(lines 915 916) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point L911(lines 911 918) no Hoare annotation was computed. [2020-10-28 16:47:43,599 INFO L274 CegarLoopResult]: For program point L905(lines 905 925) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 221 228) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 221 228) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 221 228) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 569 577) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 569 577) the Hoare annotation is: true [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 569 577) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L270 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L274 CegarLoopResult]: For program point L600(lines 600 610) no Hoare annotation was computed. [2020-10-28 16:47:43,600 INFO L270 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L596(lines 596 613) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L596-1(lines 588 616) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L270 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 588 616) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 588 616) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-10-28 16:47:43,601 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 580 587) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 580 587) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 580 587) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 455 464) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 455 464) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 455 464) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 16:47:43,602 INFO L274 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L812(lines 812 816) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L876(lines 876 887) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L858(lines 836 859) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L817(lines 817 833) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L838(lines 837 857) no Hoare annotation was computed. [2020-10-28 16:47:43,603 INFO L274 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-10-28 16:47:43,604 INFO L274 CegarLoopResult]: For program point L869-1(line 869) no Hoare annotation was computed. [2020-10-28 16:47:43,604 INFO L274 CegarLoopResult]: For program point L834(lines 834 875) no Hoare annotation was computed. [2020-10-28 16:47:43,604 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,604 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~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~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~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#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~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~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.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)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.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~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:47:43,604 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,604 INFO L274 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point L240-1(lines 229 245) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 229 245) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 229 245) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-10-28 16:47:43,605 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:47:43,606 INFO L274 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-10-28 16:47:43,606 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-10-28 16:47:43,606 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,606 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,606 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,606 INFO L270 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,606 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,606 INFO L270 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,606 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point L142(lines 141 160) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 354 383) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 354 383) the Hoare annotation is: true [2020-10-28 16:47:43,607 INFO L277 CegarLoopResult]: At program point L379(lines 354 383) the Hoare annotation is: true [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-10-28 16:47:43,607 INFO L277 CegarLoopResult]: At program point L368-1(lines 368 372) the Hoare annotation is: true [2020-10-28 16:47:43,607 INFO L274 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L277 CegarLoopResult]: At program point L364-2(lines 364 378) the Hoare annotation is: true [2020-10-28 16:47:43,608 INFO L277 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: true [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 408 414) no Hoare annotation was computed. [2020-10-28 16:47:43,608 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 408 414) the Hoare annotation is: true [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:47:43,609 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-10-28 16:47:43,609 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:47:43,609 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:47:43,610 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-28 16:47:43,610 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2020-10-28 16:47:43,610 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2020-10-28 16:47:43,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:47:43 BoogieIcfgContainer [2020-10-28 16:47:43,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:47:43,632 INFO L168 Benchmark]: Toolchain (without parser) took 58059.73 ms. Allocated memory was 154.1 MB in the beginning and 701.5 MB in the end (delta: 547.4 MB). Free memory was 129.1 MB in the beginning and 557.4 MB in the end (delta: -428.3 MB). Peak memory consumption was 420.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,632 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:47:43,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.63 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 107.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,634 INFO L168 Benchmark]: Boogie Preprocessor took 88.61 ms. Allocated memory is still 154.1 MB. Free memory was 107.1 MB in the beginning and 103.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,635 INFO L168 Benchmark]: RCFGBuilder took 1524.11 ms. Allocated memory is still 154.1 MB. Free memory was 103.0 MB in the beginning and 92.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,636 INFO L168 Benchmark]: TraceAbstraction took 55743.67 ms. Allocated memory was 154.1 MB in the beginning and 701.5 MB in the end (delta: 547.4 MB). Free memory was 92.5 MB in the beginning and 557.4 MB in the end (delta: -464.8 MB). Peak memory consumption was 382.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 685.63 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 107.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.61 ms. Allocated memory is still 154.1 MB. Free memory was 107.1 MB in the beginning and 103.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1524.11 ms. Allocated memory is still 154.1 MB. Free memory was 103.0 MB in the beginning and 92.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55743.67 ms. Allocated memory was 154.1 MB in the beginning and 701.5 MB in the end (delta: 547.4 MB). Free memory was 92.5 MB in the beginning and 557.4 MB in the end (delta: -464.8 MB). Peak memory consumption was 382.5 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: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 915]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: 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: 66]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || ((splverifierCounter <= 0 && pumpRunning == 0) && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 567 SDtfs, 1089 SDslu, 364 SDs, 0 SdLazy, 1962 SolverSat, 893 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=504occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 318 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 488 PreInvPairs, 553 NumberOfFragments, 973 HoareAnnotationTreeSize, 488 FomulaSimplifications, 233153 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 15692 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 99677 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 25/27 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...