/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:22:39,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:22:39,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:22:39,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:22:39,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:22:39,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:22:39,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:22:39,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:22:39,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:22:39,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:22:39,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:22:39,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:22:39,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:22:39,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:22:39,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:22:39,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:22:39,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:22:39,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:22:39,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:22:39,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:22:39,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:22:39,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:22:39,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:22:39,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:22:39,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:22:39,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:22:39,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:22:39,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:22:39,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:22:39,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:22:39,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:22:39,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:22:39,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:22:39,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:22:39,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:22:39,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:22:39,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:22:39,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:22:39,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:22:39,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:22:39,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:22:39,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:22:39,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:22:39,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:22:39,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:22:39,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:22:39,545 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:22:39,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:22:39,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:22:39,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:22:39,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:22:39,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:22:39,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:22:39,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:22:39,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:22:39,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:22:39,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:22:39,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:22:39,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:22:39,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:22:39,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:22:39,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:22:39,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:22:39,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:22:39,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:22:39,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:22:39,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:22:39,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:22:39,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:22:39,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:22:39,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:22:39,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:22:39,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:22:39,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:22:39,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:22:39,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:22:39,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:22:39,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-27 03:22:40,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f124d32f/34604b565e9644dfa1bdfe01b03ad56a/FLAGfe360e5ac [2020-10-27 03:22:40,735 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:22:40,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-27 03:22:40,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f124d32f/34604b565e9644dfa1bdfe01b03ad56a/FLAGfe360e5ac [2020-10-27 03:22:41,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f124d32f/34604b565e9644dfa1bdfe01b03ad56a [2020-10-27 03:22:41,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:22:41,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:22:41,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:22:41,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:22:41,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:22:41,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd7a06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41, skipping insertion in model container [2020-10-27 03:22:41,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:22:41,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:22:41,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:22:41,480 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:22:41,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:22:41,591 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:22:41,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41 WrapperNode [2020-10-27 03:22:41,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:22:41,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:22:41,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:22:41,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:22:41,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... [2020-10-27 03:22:41,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:22:41,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:22:41,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:22:41,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:22:41,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:22:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:22:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:22:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:22:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:22:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:22:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:22:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:22:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:22:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:22:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:22:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:22:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:22:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:22:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:22:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:22:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:22:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:22:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:22:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:22:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:22:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:22:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:22:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:22:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:22:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:22:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:22:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:22:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:22:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:22:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:22:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:22:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:22:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:22:41,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:22:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:22:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:22:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:22:41,869 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:22:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:22:41,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:22:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:22:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:22:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:22:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:22:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:22:43,123 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:22:43,123 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:22:43,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:43 BoogieIcfgContainer [2020-10-27 03:22:43,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:22:43,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:22:43,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:22:43,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:22:43,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:22:41" (1/3) ... [2020-10-27 03:22:43,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca520c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:43, skipping insertion in model container [2020-10-27 03:22:43,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:41" (2/3) ... [2020-10-27 03:22:43,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca520c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:43, skipping insertion in model container [2020-10-27 03:22:43,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:43" (3/3) ... [2020-10-27 03:22:43,134 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2020-10-27 03:22:43,170 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:22:43,176 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:22:43,195 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:22:43,236 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:22:43,237 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:22:43,238 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:22:43,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:22:43,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:22:43,238 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:22:43,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:22:43,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:22:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-27 03:22:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:22:43,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:22:43,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:22:43,284 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:22:43,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:22:43,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1483329480, now seen corresponding path program 1 times [2020-10-27 03:22:43,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:22:43,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748227005] [2020-10-27 03:22:43,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:22:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:46,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:48,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:48,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:22:48,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:22:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:22:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:22:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:22:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 03:22:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:22:48,998 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:22:48,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:22:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 03:22:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:22:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:22:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:49,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:49,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:22:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:49,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:49,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:49,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:22:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:49,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:49,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:22:49,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:22:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:49,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:49,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:49,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:22:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:49,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:49,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:22:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:22:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:22:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:22:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:49,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:49,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:49,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:49,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:49,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:49,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:49,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:22:49,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:22:49,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:22:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:22:49,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748227005] [2020-10-27 03:22:49,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:22:49,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 03:22:49,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979985756] [2020-10-27 03:22:49,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 03:22:49,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:22:49,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 03:22:49,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 03:22:49,237 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-10-27 03:22:49,730 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:22:51,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:22:51,865 INFO L93 Difference]: Finished difference Result 434 states and 571 transitions. [2020-10-27 03:22:51,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 03:22:51,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-27 03:22:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:22:51,883 INFO L225 Difference]: With dead ends: 434 [2020-10-27 03:22:51,884 INFO L226 Difference]: Without dead ends: 282 [2020-10-27 03:22:51,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 03:22:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-27 03:22:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 217. [2020-10-27 03:22:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-27 03:22:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 258 transitions. [2020-10-27 03:22:52,085 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 258 transitions. Word has length 47 [2020-10-27 03:22:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:22:52,086 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 258 transitions. [2020-10-27 03:22:52,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 03:22:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 258 transitions. [2020-10-27 03:22:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 03:22:52,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:22:52,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:22:52,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:22:52,103 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:22:52,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:22:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1020470199, now seen corresponding path program 1 times [2020-10-27 03:22:52,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:22:52,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253101467] [2020-10-27 03:22:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:22:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:52,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:52,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:52,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:53,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:22:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:22:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,622 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:22:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:22:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:57,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 03:22:57,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:22:57,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:22:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:57,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:22:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:57,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:22:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:57,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:57,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:22:57,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:22:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:57,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:57,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:22:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 03:22:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:22:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:22:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:22:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:22:57,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:22:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:22:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:22:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:22:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:22:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:22:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:22:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:22:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:22:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:22:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:22:57,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253101467] [2020-10-27 03:22:57,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:22:57,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:22:57,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11001309] [2020-10-27 03:22:57,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:22:57,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:22:57,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:22:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:22:57,865 INFO L87 Difference]: Start difference. First operand 217 states and 258 transitions. Second operand 8 states. [2020-10-27 03:22:58,404 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:22:59,960 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:23:00,404 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:00,843 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:23:01,329 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:01,825 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:03,522 INFO L93 Difference]: Finished difference Result 777 states and 1050 transitions. [2020-10-27 03:23:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 03:23:03,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-27 03:23:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:03,539 INFO L225 Difference]: With dead ends: 777 [2020-10-27 03:23:03,541 INFO L226 Difference]: Without dead ends: 539 [2020-10-27 03:23:03,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:23:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-10-27 03:23:03,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 376. [2020-10-27 03:23:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-27 03:23:03,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 449 transitions. [2020-10-27 03:23:03,769 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 449 transitions. Word has length 56 [2020-10-27 03:23:03,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:03,769 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 449 transitions. [2020-10-27 03:23:03,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:23:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 449 transitions. [2020-10-27 03:23:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 03:23:03,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:03,776 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] [2020-10-27 03:23:03,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:23:03,776 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:23:03,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:03,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1568183856, now seen corresponding path program 1 times [2020-10-27 03:23:03,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:03,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845008548] [2020-10-27 03:23:03,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:03,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:04,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:04,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:05,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:05,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 03:23:05,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:23:05,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1721 [2020-10-27 03:23:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:23:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 03:23:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:05,970 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:05,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:06,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 03:23:06,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:06,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:06,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:23:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:23:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:23:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 03:23:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:23:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:06,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 03:23:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:06,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:06,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:06,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:06,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:06,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:23:06,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845008548] [2020-10-27 03:23:06,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:06,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:23:06,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951500612] [2020-10-27 03:23:06,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:23:06,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:06,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:23:06,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:23:06,234 INFO L87 Difference]: Start difference. First operand 376 states and 449 transitions. Second operand 10 states. [2020-10-27 03:23:06,744 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:08,044 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:23:08,484 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:08,894 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:23:09,699 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:10,112 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:11,503 INFO L93 Difference]: Finished difference Result 1161 states and 1576 transitions. [2020-10-27 03:23:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 03:23:11,504 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-27 03:23:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:11,516 INFO L225 Difference]: With dead ends: 1161 [2020-10-27 03:23:11,516 INFO L226 Difference]: Without dead ends: 809 [2020-10-27 03:23:11,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:23:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-10-27 03:23:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 622. [2020-10-27 03:23:11,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-27 03:23:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 781 transitions. [2020-10-27 03:23:11,705 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 781 transitions. Word has length 62 [2020-10-27 03:23:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:11,705 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 781 transitions. [2020-10-27 03:23:11,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:23:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 781 transitions. [2020-10-27 03:23:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:23:11,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:11,709 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:23:11,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:23:11,710 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:23:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:11,710 INFO L82 PathProgramCache]: Analyzing trace with hash 909862430, now seen corresponding path program 1 times [2020-10-27 03:23:11,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:11,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163641441] [2020-10-27 03:23:11,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:11,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:12,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:23:16,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:23:16,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4657 [2020-10-27 03:23:16,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:23:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 03:23:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:23:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,834 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:16,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:16,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:23:16,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:16,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:16,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:23:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:16,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:23:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:16,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:16,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:23:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:23:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:23:17,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:23:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:23:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:23:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:23:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:17,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:23:17,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 03:23:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 03:23:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:17,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:17,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:23:17,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163641441] [2020-10-27 03:23:17,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:17,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:23:17,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431867139] [2020-10-27 03:23:17,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:23:17,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:17,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:23:17,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:23:17,247 INFO L87 Difference]: Start difference. First operand 622 states and 781 transitions. Second operand 10 states. [2020-10-27 03:23:18,310 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:19,021 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:19,445 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:23:19,888 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:20,287 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:23:20,683 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:21,119 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 03:23:21,592 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:23:22,024 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:23:24,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:24,461 INFO L93 Difference]: Finished difference Result 1468 states and 2058 transitions. [2020-10-27 03:23:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 03:23:24,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-27 03:23:24,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:24,471 INFO L225 Difference]: With dead ends: 1468 [2020-10-27 03:23:24,471 INFO L226 Difference]: Without dead ends: 870 [2020-10-27 03:23:24,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2020-10-27 03:23:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-27 03:23:24,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 648. [2020-10-27 03:23:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-27 03:23:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 799 transitions. [2020-10-27 03:23:24,645 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 799 transitions. Word has length 94 [2020-10-27 03:23:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:24,645 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 799 transitions. [2020-10-27 03:23:24,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:23:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 799 transitions. [2020-10-27 03:23:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:23:24,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:24,651 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:23:24,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:23:24,652 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]=== [2020-10-27 03:23:24,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:24,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1139525412, now seen corresponding path program 1 times [2020-10-27 03:23:24,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:24,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531728184] [2020-10-27 03:23:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:24,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:24,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:25,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:23:28,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:23:28,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3400 [2020-10-27 03:23:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:23:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 03:23:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:23:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,432 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:23:28,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:28,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:23:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:23:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:23:28,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:23:28,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:23:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:28,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:28,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:23:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:23:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 03:23:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 03:23:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:28,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:28,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:23:28,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531728184] [2020-10-27 03:23:28,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:28,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:23:28,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80540594] [2020-10-27 03:23:28,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:23:28,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:28,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:23:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:23:28,690 INFO L87 Difference]: Start difference. First operand 648 states and 799 transitions. Second operand 9 states. [2020-10-27 03:23:29,701 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:30,233 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:30,641 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:31,033 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:23:31,408 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:31,878 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:32,289 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:34,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:34,471 INFO L93 Difference]: Finished difference Result 1514 states and 2082 transitions. [2020-10-27 03:23:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 03:23:34,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-27 03:23:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:34,479 INFO L225 Difference]: With dead ends: 1514 [2020-10-27 03:23:34,479 INFO L226 Difference]: Without dead ends: 890 [2020-10-27 03:23:34,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:23:34,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-10-27 03:23:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 664. [2020-10-27 03:23:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-27 03:23:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 815 transitions. [2020-10-27 03:23:34,635 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 815 transitions. Word has length 94 [2020-10-27 03:23:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:34,635 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 815 transitions. [2020-10-27 03:23:34,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:23:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 815 transitions. [2020-10-27 03:23:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:23:34,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:34,638 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:23:34,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:23:34,639 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:23:34,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:34,639 INFO L82 PathProgramCache]: Analyzing trace with hash -169944389, now seen corresponding path program 1 times [2020-10-27 03:23:34,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:34,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555714581] [2020-10-27 03:23:34,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:34,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:34,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4889 [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:23:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:23:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:39,956 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:39,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:40,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:23:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:23:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:23:40,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:23:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:23:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:23:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:23:40,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:23:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:23:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:23:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:23:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:23:40,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:23:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:23:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:23:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 03:23:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 03:23:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:40,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:40,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:23:40,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555714581] [2020-10-27 03:23:40,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:40,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:23:40,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235378224] [2020-10-27 03:23:40,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:23:40,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:40,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:23:40,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:23:40,215 INFO L87 Difference]: Start difference. First operand 664 states and 815 transitions. Second operand 8 states. [2020-10-27 03:23:41,037 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:41,734 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:43,966 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:46,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:46,789 INFO L93 Difference]: Finished difference Result 2691 states and 3853 transitions. [2020-10-27 03:23:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 03:23:46,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-27 03:23:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:46,810 INFO L225 Difference]: With dead ends: 2691 [2020-10-27 03:23:46,810 INFO L226 Difference]: Without dead ends: 1993 [2020-10-27 03:23:46,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:23:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2020-10-27 03:23:47,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1673. [2020-10-27 03:23:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2020-10-27 03:23:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2096 transitions. [2020-10-27 03:23:47,251 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2096 transitions. Word has length 94 [2020-10-27 03:23:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:47,251 INFO L481 AbstractCegarLoop]: Abstraction has 1673 states and 2096 transitions. [2020-10-27 03:23:47,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:23:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2096 transitions. [2020-10-27 03:23:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 03:23:47,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:47,255 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:23:47,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:23:47,255 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:23:47,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:47,256 INFO L82 PathProgramCache]: Analyzing trace with hash -914262571, now seen corresponding path program 1 times [2020-10-27 03:23:47,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:47,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506455772] [2020-10-27 03:23:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:47,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:47,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 03:23:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,583 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:23:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 03:23:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 03:23:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 03:23:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:23:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:23:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:23:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:23:48,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:23:48,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:23:48,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:23:48,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:23:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:23:48,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 03:23:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 03:23:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:48,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 03:23:48,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506455772] [2020-10-27 03:23:48,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:23:48,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 03:23:48,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162634593] [2020-10-27 03:23:48,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 03:23:48,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:48,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 03:23:48,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:23:48,914 INFO L87 Difference]: Start difference. First operand 1673 states and 2096 transitions. Second operand 13 states. [2020-10-27 03:23:49,508 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:50,459 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:51,240 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:51,786 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:53,030 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:53,440 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:53,967 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:54,373 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:54,778 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:55,154 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:55,643 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:56,110 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:23:58,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:23:58,062 INFO L93 Difference]: Finished difference Result 3285 states and 4307 transitions. [2020-10-27 03:23:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 03:23:58,063 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 98 [2020-10-27 03:23:58,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:23:58,076 INFO L225 Difference]: With dead ends: 3285 [2020-10-27 03:23:58,077 INFO L226 Difference]: Without dead ends: 1828 [2020-10-27 03:23:58,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=274, Invalid=1058, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 03:23:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2020-10-27 03:23:58,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1570. [2020-10-27 03:23:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-10-27 03:23:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1928 transitions. [2020-10-27 03:23:58,464 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1928 transitions. Word has length 98 [2020-10-27 03:23:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:23:58,464 INFO L481 AbstractCegarLoop]: Abstraction has 1570 states and 1928 transitions. [2020-10-27 03:23:58,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 03:23:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1928 transitions. [2020-10-27 03:23:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 03:23:58,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:58,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:23:58,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:23:58,469 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:23:58,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:58,470 INFO L82 PathProgramCache]: Analyzing trace with hash 274270233, now seen corresponding path program 1 times [2020-10-27 03:23:58,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:58,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468221713] [2020-10-27 03:23:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:23:58,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:23:58,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,171 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:59,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:59,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:59,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:59,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:23:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:23:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:59,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:59,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:23:59,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 03:23:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:23:59,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:23:59,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:23:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:23:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:23:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:23:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:23:59,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:23:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:23:59,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:23:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:23:59,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:59,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:23:59,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:23:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:59,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 03:23:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 03:23:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:23:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:23:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:59,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:59,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:59,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 03:23:59,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468221713] [2020-10-27 03:23:59,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:59,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 03:23:59,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780672314] [2020-10-27 03:23:59,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:23:59,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:23:59,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:23:59,483 INFO L87 Difference]: Start difference. First operand 1570 states and 1928 transitions. Second operand 10 states. [2020-10-27 03:24:00,204 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:24:01,143 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:03,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:03,929 INFO L93 Difference]: Finished difference Result 2206 states and 2810 transitions. [2020-10-27 03:24:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 03:24:03,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2020-10-27 03:24:03,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:03,936 INFO L225 Difference]: With dead ends: 2206 [2020-10-27 03:24:03,936 INFO L226 Difference]: Without dead ends: 852 [2020-10-27 03:24:03,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2020-10-27 03:24:03,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-27 03:24:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 731. [2020-10-27 03:24:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2020-10-27 03:24:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 877 transitions. [2020-10-27 03:24:04,106 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 877 transitions. Word has length 131 [2020-10-27 03:24:04,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:04,107 INFO L481 AbstractCegarLoop]: Abstraction has 731 states and 877 transitions. [2020-10-27 03:24:04,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:24:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 877 transitions. [2020-10-27 03:24:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 03:24:04,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:04,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:24:04,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:24:04,110 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:24:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:04,111 INFO L82 PathProgramCache]: Analyzing trace with hash -965567811, now seen corresponding path program 1 times [2020-10-27 03:24:04,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:04,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043472510] [2020-10-27 03:24:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:24:04,148 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:24:04,148 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:24:04,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:24:04,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:24:04 BoogieIcfgContainer [2020-10-27 03:24:04,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:24:04,180 INFO L168 Benchmark]: Toolchain (without parser) took 83155.97 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 125.9 MB in the beginning and 533.5 MB in the end (delta: -407.6 MB). Peak memory consumption was 265.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:04,181 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:24:04,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.64 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 104.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:04,182 INFO L168 Benchmark]: Boogie Preprocessor took 161.44 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:04,182 INFO L168 Benchmark]: RCFGBuilder took 1366.01 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 50.9 MB in the end (delta: 49.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:04,183 INFO L168 Benchmark]: TraceAbstraction took 81051.84 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 50.3 MB in the beginning and 533.5 MB in the end (delta: -483.2 MB). Peak memory consumption was 189.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:04,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 557.64 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 104.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 161.44 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1366.01 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 50.9 MB in the end (delta: 49.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 81051.84 ms. Allocated memory was 151.0 MB in the beginning and 823.1 MB in the end (delta: 672.1 MB). Free memory was 50.3 MB in the beginning and 533.5 MB in the end (delta: -483.2 MB). Peak memory consumption was 189.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L149] int pumpRunning = 0; [L150] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L519] FCALL select_helpers() [L520] FCALL select_features() [L521] CALL, EXPR valid_product() [L929] int retValue_acc ; [L932] retValue_acc = 1 [L933] return (retValue_acc); [L521] RET, EXPR valid_product() [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L525] FCALL setup() [L526] CALL runTest() [L505] CALL test() [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 [L346] COND TRUE 1 [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) [L358] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L358] RET waterRise() [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___0)) [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) [L391] CALL timeShift() [L157] COND FALSE !(\read(pumpRunning)) [L164] COND TRUE \read(systemActive) [L166] CALL processEnvironment() [L186] int tmp ; [L189] COND TRUE ! pumpRunning [L191] CALL, EXPR isHighWaterLevel() [L301] int retValue_acc ; [L302] int tmp ; [L303] int tmp___0 ; [L307] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L307] RET, EXPR isHighWaterSensorDry() [L307] tmp = isHighWaterSensorDry() [L309] COND FALSE !(\read(tmp)) [L312] tmp___0 = 1 [L314] retValue_acc = tmp___0 [L315] return (retValue_acc); [L191] RET, EXPR isHighWaterLevel() [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) [L195] CALL activatePump() [L220] int tmp ; [L224] CALL, EXPR isMethaneAlarm() [L245] int retValue_acc ; [L249] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L249] RET, EXPR isMethaneLevelCritical() [L249] retValue_acc = isMethaneLevelCritical() [L251] return (retValue_acc); [L224] RET, EXPR isMethaneAlarm() [L224] tmp = isMethaneAlarm() [L226] COND FALSE !(\read(tmp)) [L230] CALL activatePump__wrappee__highWaterSensor() [L214] pumpRunning = 1 [L230] RET activatePump__wrappee__highWaterSensor() [L195] RET activatePump() [L166] RET processEnvironment() [L172] CALL __utac_acc__Specification1_spec__1() [L413] int tmp ; [L414] int tmp___0 ; [L418] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() [L418] tmp = isMethaneLevelCritical() [L420] COND FALSE !(\read(tmp)) [L172] RET __utac_acc__Specification1_spec__1() [L391] RET timeShift() [L346] COND TRUE 1 [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp)) [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) [L368] CALL changeMethaneLevel() [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L368] RET changeMethaneLevel() [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) [L391] CALL timeShift() [L157] COND TRUE \read(pumpRunning) [L159] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L159] RET lowerWaterLevel() [L164] COND TRUE \read(systemActive) [L166] CALL processEnvironment() [L186] int tmp ; [L189] COND FALSE !(! pumpRunning) [L204] FCALL processEnvironment__wrappee__base() [L166] RET processEnvironment() [L172] CALL __utac_acc__Specification1_spec__1() [L413] int tmp ; [L414] int tmp___0 ; [L418] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() [L418] tmp = isMethaneLevelCritical() [L420] COND TRUE \read(tmp) [L422] CALL, EXPR isPumpRunning() [L256] int retValue_acc ; [L259] retValue_acc = pumpRunning [L260] return (retValue_acc); [L422] RET, EXPR isPumpRunning() [L422] tmp___0 = isPumpRunning() [L424] COND TRUE \read(tmp___0) [L426] CALL __automaton_fail() [L407] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product43.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 80.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 46.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1232 SDtfs, 3594 SDslu, 1421 SDs, 0 SdLazy, 8122 SolverSat, 2455 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1673occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 1562 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 31.2s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 233564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 35/37 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 incorrect! Received shutdown request...