/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=DEEPEST --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/elevator_spec14_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:46:05,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:46:05,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:46:05,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:46:05,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:46:05,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:46:05,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:46:05,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:46:05,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:46:05,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:46:05,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:46:05,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:46:05,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:46:05,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:46:05,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:46:05,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:46:05,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:46:05,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:46:05,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:46:05,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:46:05,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:46:05,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:46:05,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:46:05,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:46:05,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:46:05,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:46:05,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:46:05,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:46:05,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:46:05,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:46:05,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:46:05,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:46:05,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:46:05,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:46:05,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:46:05,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:46:05,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:46:05,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:46:05,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:46:05,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:46:05,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:46:05,567 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 20:46:05,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:46:05,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:46:05,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:46:05,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:46:05,616 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:46:05,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:46:05,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:46:05,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:46:05,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:46:05,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:46:05,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:46:05,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:46:05,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:46:05,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:46:05,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:46:05,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:46:05,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:46:05,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:46:05,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:46:05,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:46:05,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:46:05,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:46:05,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:46:05,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:46:05,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:46:05,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:46:05,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:46:05,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:46:05,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:46:05,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:46:06,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:46:06,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:46:06,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:46:06,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:46:06,095 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:46:06,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-27 20:46:06,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e86be4d4/89e36d96a9c2484ca8d2d92511f74c2c/FLAG763da4f68 [2020-10-27 20:46:06,891 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:46:06,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec14_product20.cil.c [2020-10-27 20:46:06,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e86be4d4/89e36d96a9c2484ca8d2d92511f74c2c/FLAG763da4f68 [2020-10-27 20:46:07,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e86be4d4/89e36d96a9c2484ca8d2d92511f74c2c [2020-10-27 20:46:07,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:46:07,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:46:07,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:46:07,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:46:07,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:46:07,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:46:07" (1/1) ... [2020-10-27 20:46:07,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dc262a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:07, skipping insertion in model container [2020-10-27 20:46:07,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:46:07" (1/1) ... [2020-10-27 20:46:07,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:46:07,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:46:07,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:46:07,861 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:46:07,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:46:08,087 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:46:08,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08 WrapperNode [2020-10-27 20:46:08,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:46:08,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:46:08,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:46:08,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:46:08,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (1/1) ... [2020-10-27 20:46:08,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:46:08,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:46:08,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:46:08,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:46:08,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (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 20:46:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:46:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:46:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:46:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:46:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:46:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:46:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:46:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:46:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:46:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:46:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:46:08,394 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:46:08,395 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:46:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:46:08,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:46:08,398 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:46:08,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:46:08,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:46:08,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:46:08,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:46:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:46:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:46:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:46:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:46:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:46:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:46:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:46:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:46:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:46:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification14_spec__1 [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:46:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:46:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:46:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:46:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:46:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:46:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:46:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:46:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:46:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:46:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:46:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:46:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:46:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:46:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:46:11,613 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:46:11,613 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:46:11,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:46:11 BoogieIcfgContainer [2020-10-27 20:46:11,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:46:11,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:46:11,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:46:11,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:46:11,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:46:07" (1/3) ... [2020-10-27 20:46:11,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec65b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:46:11, skipping insertion in model container [2020-10-27 20:46:11,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:46:08" (2/3) ... [2020-10-27 20:46:11,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec65b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:46:11, skipping insertion in model container [2020-10-27 20:46:11,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:46:11" (3/3) ... [2020-10-27 20:46:11,626 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec14_product20.cil.c [2020-10-27 20:46:11,638 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:46:11,645 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:46:11,658 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:46:11,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:46:11,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:46:11,692 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:46:11,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:46:11,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:46:11,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:46:11,692 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:46:11,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:46:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states. [2020-10-27 20:46:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 20:46:11,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:46:11,744 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] [2020-10-27 20:46:11,745 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 20:46:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:46:11,751 INFO L82 PathProgramCache]: Analyzing trace with hash -617588896, now seen corresponding path program 1 times [2020-10-27 20:46:11,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:46:11,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1839101695] [2020-10-27 20:46:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:46:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:12,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:13,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:46:17,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:46:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 20:46:17,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:17,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:46:17,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:46:17,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:46:17,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 20:46:19,426 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:46:19,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:46:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:19,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:19,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:19,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:46:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:19,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:46:19,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:46:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:19,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:19,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:46:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:46:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:46:19,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:19,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:46:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:19,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:19,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:46:19,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:19,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:19,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:46:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:19,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:46:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:46:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:19,800 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:46:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:46:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:19,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:19,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:46:20,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:46:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-27 20:46:20,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:46:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:46:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:46:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:46:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:46:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:46:20,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:46:20,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:46:20,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:46:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:46:20,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:46:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:46:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:46:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 20:46:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:46:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:46:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:46:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:46:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:46:20,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:46:20,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:46:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:46:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:46:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:46:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:20,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:46:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:46:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:46:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:46:20,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:46:20,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:46:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:46:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:46:20,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:46:20,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:46:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 20:46:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:46:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 20:46:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:20,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:46:20,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:46:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:46:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:46:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:46:20,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:46:20,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:46:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:46:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:46:20,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:46:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:46:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:46:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:46:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:46:20,807 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 20:46:20,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1839101695] [2020-10-27 20:46:20,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:46:20,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:46:20,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943455495] [2020-10-27 20:46:20,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:46:20,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:46:20,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:46:20,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:46:20,832 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 9 states. [2020-10-27 20:46:24,510 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:46:26,775 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:46:29,347 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:46:43,222 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:46:47,008 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:46:49,310 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:47:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:47:04,043 INFO L93 Difference]: Finished difference Result 1496 states and 2513 transitions. [2020-10-27 20:47:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:47:04,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-27 20:47:04,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:47:04,083 INFO L225 Difference]: With dead ends: 1496 [2020-10-27 20:47:04,083 INFO L226 Difference]: Without dead ends: 881 [2020-10-27 20:47:04,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:47:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-27 20:47:04,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 641. [2020-10-27 20:47:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-27 20:47:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1027 transitions. [2020-10-27 20:47:04,395 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1027 transitions. Word has length 88 [2020-10-27 20:47:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:47:04,395 INFO L481 AbstractCegarLoop]: Abstraction has 641 states and 1027 transitions. [2020-10-27 20:47:04,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:47:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1027 transitions. [2020-10-27 20:47:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 20:47:04,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:47:04,402 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] [2020-10-27 20:47:04,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:47:04,403 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 20:47:04,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:47:04,403 INFO L82 PathProgramCache]: Analyzing trace with hash -2088466705, now seen corresponding path program 1 times [2020-10-27 20:47:04,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:47:04,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093237081] [2020-10-27 20:47:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:47:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:04,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:05,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:09,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:09,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 20:47:09,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:11,733 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:47:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:47:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:11,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:11,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:11,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:11,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:11,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 20:47:11,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:11,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:47:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:11,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:11,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:11,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:47:11,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:11,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:47:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:11,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:11,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:11,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:47:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:11,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:11,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:11,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:11,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:47:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:11,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:11,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:11,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:47:11,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:47:11,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:11,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:11,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,074 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:47:12,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:47:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:47:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:47:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-27 20:47:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:47:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:47:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:47:12,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:47:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:47:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:47:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:47:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:47:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:47:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:47:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:47:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:47:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:12,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:47:12,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:47:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:47:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:47:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 20:47:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 20:47:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:47:12,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:47:12,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:47:12,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:47:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:47:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 20:47:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:47:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 20:47:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:12,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:12,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:47:12,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:47:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:47:12,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:47:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:47:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:47:12,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:47:12,858 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 20:47:12,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093237081] [2020-10-27 20:47:12,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:47:12,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:47:12,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126367418] [2020-10-27 20:47:12,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:47:12,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:47:12,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:47:12,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:47:12,862 INFO L87 Difference]: Start difference. First operand 641 states and 1027 transitions. Second operand 9 states. [2020-10-27 20:47:16,853 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:19,183 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:47:21,676 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:35,877 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:47:54,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:47:54,419 INFO L93 Difference]: Finished difference Result 1499 states and 2506 transitions. [2020-10-27 20:47:54,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:47:54,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 20:47:54,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:47:54,434 INFO L225 Difference]: With dead ends: 1499 [2020-10-27 20:47:54,434 INFO L226 Difference]: Without dead ends: 881 [2020-10-27 20:47:54,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:47:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-27 20:47:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 641. [2020-10-27 20:47:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-27 20:47:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1016 transitions. [2020-10-27 20:47:54,614 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1016 transitions. Word has length 90 [2020-10-27 20:47:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:47:54,614 INFO L481 AbstractCegarLoop]: Abstraction has 641 states and 1016 transitions. [2020-10-27 20:47:54,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:47:54,615 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1016 transitions. [2020-10-27 20:47:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 20:47:54,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:47:54,618 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] [2020-10-27 20:47:54,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:47:54,618 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 20:47:54,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:47:54,619 INFO L82 PathProgramCache]: Analyzing trace with hash 583428831, now seen corresponding path program 1 times [2020-10-27 20:47:54,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:47:54,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835730390] [2020-10-27 20:47:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:47:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:47:54,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:54,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:55,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:55,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:47:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:47:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 20:47:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:47:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 20:47:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:47:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:47:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 20:47:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:47:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:01,944 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:48:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:01,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:01,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:01,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:01,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 20:48:01,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:01,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:02,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:02,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:02,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:48:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:48:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:02,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:02,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,293 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:48:02,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:48:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:48:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:48:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:48:02,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:02,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:48:02,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:02,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:48:02,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:48:02,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:48:02,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:02,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:48:02,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:48:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:02,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:48:02,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:48:02,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:02,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 20:48:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:02,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:02,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:48:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:02,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:48:02,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:48:02,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:02,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:02,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:02,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 20:48:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:02,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:02,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:02,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:02,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 20:48:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:03,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:03,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:03,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:48:03,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:03,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 20:48:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:03,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:03,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:03,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:03,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:03,051 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 20:48:03,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835730390] [2020-10-27 20:48:03,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:03,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:48:03,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142346345] [2020-10-27 20:48:03,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:48:03,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:48:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:48:03,055 INFO L87 Difference]: Start difference. First operand 641 states and 1016 transitions. Second operand 9 states. [2020-10-27 20:48:06,514 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:08,751 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:48:11,287 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:24,963 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:48:40,031 INFO L93 Difference]: Finished difference Result 1499 states and 2485 transitions. [2020-10-27 20:48:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:48:40,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-27 20:48:40,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:48:40,042 INFO L225 Difference]: With dead ends: 1499 [2020-10-27 20:48:40,042 INFO L226 Difference]: Without dead ends: 881 [2020-10-27 20:48:40,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:48:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-27 20:48:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 641. [2020-10-27 20:48:40,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-10-27 20:48:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1005 transitions. [2020-10-27 20:48:40,203 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1005 transitions. Word has length 92 [2020-10-27 20:48:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:48:40,203 INFO L481 AbstractCegarLoop]: Abstraction has 641 states and 1005 transitions. [2020-10-27 20:48:40,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:48:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1005 transitions. [2020-10-27 20:48:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 20:48:40,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:48:40,206 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 20:48:40,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:48:40,206 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 20:48:40,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:48:40,207 INFO L82 PathProgramCache]: Analyzing trace with hash -564155707, now seen corresponding path program 1 times [2020-10-27 20:48:40,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:48:40,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939364284] [2020-10-27 20:48:40,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:48:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:40,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:40,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:41,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:45,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:48:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,472 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:48:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:48:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 20:48:47,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:47,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:47,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:48:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:48:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:48:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:47,789 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:48:47,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:48:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:47,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 20:48:48,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:48:48,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:48:48,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:48:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:48:48,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:48:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:48:48,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:48:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:48:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:48:48,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:48:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:48:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:48:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:48:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:48:48,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:48:48,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:48:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:48:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 20:48:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:48,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:48,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 20:48:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:48:48,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:48:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:48:48,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:48,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:48:48,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 20:48:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 20:48:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:48,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 20:48:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:48:48,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:48:48,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:48:48,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:48:48,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:48:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:48:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:48:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:48:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:48:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:48:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:48:48,627 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 20:48:48,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939364284] [2020-10-27 20:48:48,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:48:48,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:48:48,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349774320] [2020-10-27 20:48:48,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:48:48,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:48:48,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:48:48,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:48:48,629 INFO L87 Difference]: Start difference. First operand 641 states and 1005 transitions. Second operand 10 states. [2020-10-27 20:48:52,319 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:48:54,611 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:48:57,051 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 20:48:59,530 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:49:26,770 INFO L93 Difference]: Finished difference Result 1509 states and 2487 transitions. [2020-10-27 20:49:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:49:26,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-27 20:49:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:49:26,780 INFO L225 Difference]: With dead ends: 1509 [2020-10-27 20:49:26,780 INFO L226 Difference]: Without dead ends: 899 [2020-10-27 20:49:26,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:49:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-27 20:49:26,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 645. [2020-10-27 20:49:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-27 20:49:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1010 transitions. [2020-10-27 20:49:26,948 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1010 transitions. Word has length 94 [2020-10-27 20:49:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:49:26,949 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 1010 transitions. [2020-10-27 20:49:26,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 20:49:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1010 transitions. [2020-10-27 20:49:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 20:49:26,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:26,951 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] [2020-10-27 20:49:26,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:49:26,951 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 20:49:26,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:26,952 INFO L82 PathProgramCache]: Analyzing trace with hash 2110288768, now seen corresponding path program 1 times [2020-10-27 20:49:26,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:26,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678079848] [2020-10-27 20:49:26,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:27,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:32,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 20:49:32,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:32,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,145 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 20:49:34,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:49:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:49:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:49:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:49:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:49:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,483 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:49:34,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:49:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:49:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 20:49:34,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:49:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:49:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:49:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:49:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:49:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:49:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:49:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:34,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:49:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:49:34,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 20:49:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 20:49:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:49:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:49:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:49:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 20:49:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 20:49:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:34,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 20:49:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:34,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:34,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:49:34,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:49:34,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:49:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:49:34,822 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 20:49:34,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678079848] [2020-10-27 20:49:34,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:49:34,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:49:34,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221200234] [2020-10-27 20:49:34,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:49:34,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:49:34,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:49:34,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:49:34,825 INFO L87 Difference]: Start difference. First operand 645 states and 1010 transitions. Second operand 9 states. [2020-10-27 20:49:38,523 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:40,826 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 20:49:43,293 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 20:49:58,434 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 406