/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:27:57,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:27:57,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:27:57,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:27:57,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:27:57,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:27:57,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:27:57,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:27:57,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:27:57,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:27:57,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:27:57,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:27:57,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:27:57,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:27:57,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:27:57,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:27:57,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:27:57,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:27:57,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:27:57,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:27:57,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:27:57,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:27:57,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:27:57,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:27:57,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:27:57,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:27:57,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:27:57,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:27:57,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:27:57,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:27:57,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:27:57,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:27:57,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:27:57,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:27:57,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:27:57,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:27:57,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:27:57,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:27:57,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:27:57,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:27:57,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:27:57,463 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 02:27:57,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:27:57,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:27:57,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:27:57,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:27:57,524 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:27:57,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:27:57,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:27:57,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:27:57,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:27:57,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:27:57,526 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:27:57,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:27:57,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:27:57,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:27:57,527 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:27:57,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:27:57,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:27:57,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:27:57,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:27:57,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:27:57,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:27:58,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:27:58,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:27:58,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:27:58,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:27:58,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2020-10-27 02:27:58,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48a911219/9bece8d06eb5461586ea2abee1767a4b/FLAGf5493c159 [2020-10-27 02:27:58,883 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:27:58,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product25.cil.c [2020-10-27 02:27:58,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48a911219/9bece8d06eb5461586ea2abee1767a4b/FLAGf5493c159 [2020-10-27 02:27:59,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48a911219/9bece8d06eb5461586ea2abee1767a4b [2020-10-27 02:27:59,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:27:59,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:27:59,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:27:59,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:27:59,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:27:59,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:27:59" (1/1) ... [2020-10-27 02:27:59,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcb3f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:27:59, skipping insertion in model container [2020-10-27 02:27:59,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:27:59" (1/1) ... [2020-10-27 02:27:59,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:27:59,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:27:59,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:00,026 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:28:00,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:28:00,292 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:28:00,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00 WrapperNode [2020-10-27 02:28:00,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:28:00,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:28:00,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:28:00,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:28:00,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... [2020-10-27 02:28:00,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:28:00,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:28:00,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:28:00,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:28:00,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:28:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:28:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:28:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:28:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:28:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:28:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:28:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:28:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:28:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:28:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:28:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:28:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:28:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:28:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:28:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:28:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:28:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:28:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:28:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:28:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:28:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:28:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:28:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:28:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:28:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:28:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:28:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:28:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:28:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:28:00,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:28:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:28:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:00,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:28:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:28:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:28:00,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:28:00,616 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:28:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:28:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:28:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 02:28:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:28:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:28:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:28:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:28:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:28:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:28:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:28:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:28:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:28:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:28:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:28:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:28:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:28:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:28:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:28:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:28:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:28:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:28:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:28:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:28:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:28:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:28:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:28:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:28:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:28:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:28:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:28:03,274 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:28:03,274 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:28:03,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:03 BoogieIcfgContainer [2020-10-27 02:28:03,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:28:03,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:28:03,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:28:03,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:28:03,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:27:59" (1/3) ... [2020-10-27 02:28:03,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1fca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:03, skipping insertion in model container [2020-10-27 02:28:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:00" (2/3) ... [2020-10-27 02:28:03,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1fca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:03, skipping insertion in model container [2020-10-27 02:28:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:03" (3/3) ... [2020-10-27 02:28:03,288 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product25.cil.c [2020-10-27 02:28:03,300 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:28:03,307 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:28:03,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:28:03,356 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:28:03,356 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:28:03,356 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:28:03,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:28:03,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:28:03,356 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:28:03,357 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:28:03,357 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:28:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states. [2020-10-27 02:28:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 02:28:03,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:28:03,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:03,420 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 02:28:03,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:28:03,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1190682654, now seen corresponding path program 1 times [2020-10-27 02:28:03,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:28:03,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051185416] [2020-10-27 02:28:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:28:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:08,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:08,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 02:28:08,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:08,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5077 [2020-10-27 02:28:08,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:28:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:28:08,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 02:28:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:28:10,365 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:28:10,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:10,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-27 02:28:10,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:28:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:10,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:10,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:10,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:10,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:28:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:10,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:10,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:10,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:28:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:10,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:28:10,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:10,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:10,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:28:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:28:10,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:10,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:28:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:10,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:10,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:28:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:10,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:11,047 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:28:11,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:28:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:11,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:11,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:11,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:11,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:16,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-27 02:28:16,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:28:16,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:28:16,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:16,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:28:16,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:16,272 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:28:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:28:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:16,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:28:16,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:28:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 629 [2020-10-27 02:28:16,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:28:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:28:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:16,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:16,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:16,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:16,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:16,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:16,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:16,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:16,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:28:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:16,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:17,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:17,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:17,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:17,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:28:17,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:28:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:28:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:17,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:28:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:17,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:17,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:17,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:17,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:28:17,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:28:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:17,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:28:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:28:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:28:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:17,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:17,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:17,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:18,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:18,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:18,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:18,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 02:28:18,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:28:18,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-27 02:28:18,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 02:28:18,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:18,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:19,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:19,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 02:28:19,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:28:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-10-27 02:28:19,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 02:28:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:28:20,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:28:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:28:20,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:28:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:28:20,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:28:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:28:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:28:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:28:20,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:28:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:28:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:28:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 02:28:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:20,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:28:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:28:20,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:28:20,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:28:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:28:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:28:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:28:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:28:20,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:28:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:28:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:28:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:28:20,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:28:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:28:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:28:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:28:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:28:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:28:20,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051185416] [2020-10-27 02:28:20,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:28:20,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 02:28:20,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196389368] [2020-10-27 02:28:20,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 02:28:20,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:28:20,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 02:28:20,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:28:20,458 INFO L87 Difference]: Start difference. First operand 753 states. Second operand 19 states. [2020-10-27 02:28:23,219 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:28:24,077 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:28:25,351 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:28:26,567 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:28:28,061 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:28:31,325 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:28:32,609 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:28:33,807 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:28:34,063 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:28:35,009 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:28:37,145 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:28:37,672 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:28:41,696 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:28:43,354 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:28:44,639 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:28:45,844 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:28:46,191 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:28:46,493 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:28:51,554 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:28:52,718 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:28:53,053 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:28:53,366 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:28:55,308 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:28:56,530 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:28:57,701 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:28:57,926 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:28:58,523 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:29:25,371 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:29:28,687 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:29:36,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:29:36,131 INFO L93 Difference]: Finished difference Result 2674 states and 4907 transitions. [2020-10-27 02:29:36,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 02:29:36,134 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 110 [2020-10-27 02:29:36,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:29:36,197 INFO L225 Difference]: With dead ends: 2674 [2020-10-27 02:29:36,197 INFO L226 Difference]: Without dead ends: 2046 [2020-10-27 02:29:36,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 24.0s TimeCoverageRelationStatistics Valid=884, Invalid=4086, Unknown=0, NotChecked=0, Total=4970 [2020-10-27 02:29:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2020-10-27 02:29:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1081. [2020-10-27 02:29:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2020-10-27 02:29:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1742 transitions. [2020-10-27 02:29:36,826 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1742 transitions. Word has length 110 [2020-10-27 02:29:36,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:29:36,827 INFO L481 AbstractCegarLoop]: Abstraction has 1081 states and 1742 transitions. [2020-10-27 02:29:36,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 02:29:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1742 transitions. [2020-10-27 02:29:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:29:36,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:29:36,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:36,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:29:36,844 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 02:29:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:29:36,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1175642787, now seen corresponding path program 1 times [2020-10-27 02:29:36,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:29:36,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723179333] [2020-10-27 02:29:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:29:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:36,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:41,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:41,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 02:29:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,124 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:29:43,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:43,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 02:29:43,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:29:43,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:43,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:29:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:43,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:43,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:29:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:29:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:29:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:29:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:29:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:43,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:43,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:43,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:43,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:43,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:43,623 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:29:43,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:29:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:43,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:43,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:44,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:29:48,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:48,805 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:29:48,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:29:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:48,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:48,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:29:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:29:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:29:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:29:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:29:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:49,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:29:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 02:29:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 02:29:49,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 02:29:49,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:29:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 02:29:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:29:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:29:49,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:49,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:49,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:49,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:29:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:49,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:29:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:29:49,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:29:49,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:29:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:29:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:29:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:29:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 02:29:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:29:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:29:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:49,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:49,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:29:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:29:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:29:49,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:29:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:29:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:29:49,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:29:49,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:29:49,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:29:49,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:29:49,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:29:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:29:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:29:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:29:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:29:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:29:49,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723179333] [2020-10-27 02:29:49,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:29:49,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:29:49,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275255357] [2020-10-27 02:29:49,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:29:49,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:29:49,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:29:49,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:29:49,890 INFO L87 Difference]: Start difference. First operand 1081 states and 1742 transitions. Second operand 16 states. [2020-10-27 02:29:52,427 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:29:52,961 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:29:54,188 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:29:55,375 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:29:56,699 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:29:58,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:30:00,808 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:30:01,333 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:30:02,557 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:30:03,017 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 02:30:04,172 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:30:06,388 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:30:06,879 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:30:09,052 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:30:12,941 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:30:14,032 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:30:15,663 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:30:17,017 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:30:17,258 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:30:18,531 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:30:18,749 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:30:24,854 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:30:25,091 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:30:28,106 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:30:28,360 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:30:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:30:51,911 INFO L93 Difference]: Finished difference Result 3113 states and 5633 transitions. [2020-10-27 02:30:51,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-27 02:30:51,912 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 127 [2020-10-27 02:30:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:30:51,942 INFO L225 Difference]: With dead ends: 3113 [2020-10-27 02:30:51,942 INFO L226 Difference]: Without dead ends: 2064 [2020-10-27 02:30:51,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 955 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=662, Invalid=2418, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 02:30:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2020-10-27 02:30:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1089. [2020-10-27 02:30:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2020-10-27 02:30:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1746 transitions. [2020-10-27 02:30:52,300 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1746 transitions. Word has length 127 [2020-10-27 02:30:52,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:30:52,300 INFO L481 AbstractCegarLoop]: Abstraction has 1089 states and 1746 transitions. [2020-10-27 02:30:52,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:30:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1746 transitions. [2020-10-27 02:30:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 02:30:52,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:30:52,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:52,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:30:52,307 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 02:30:52,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:30:52,307 INFO L82 PathProgramCache]: Analyzing trace with hash 2021318221, now seen corresponding path program 1 times [2020-10-27 02:30:52,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:30:52,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675442462] [2020-10-27 02:30:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:30:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:52,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:53,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:54,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:56,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:57,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:57,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 02:30:57,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,620 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:30:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:30:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:30:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 02:30:58,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:30:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:30:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:30:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:30:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:30:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:30:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:30:58,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:30:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:30:58,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:30:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:30:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:58,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:30:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:58,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:58,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:30:58,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:30:58,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:30:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:30:58,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:30:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:30:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:30:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:30:58,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:30:59,177 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:30:59,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:30:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:30:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:30:59,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:00,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:00,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:31:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,360 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:31:04,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:31:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:31:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:31:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:31:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 02:31:04,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:31:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:04,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:04,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:04,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:31:04,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:31:04,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:04,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 02:31:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:04,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:04,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:05,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:06,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:09,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:09,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:31:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:12,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 02:31:12,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:31:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2966 [2020-10-27 02:31:12,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:31:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:31:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:12,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:31:13,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:31:13,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 02:31:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:31:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:31:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:31:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:31:13,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:31:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:31:13,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:31:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:31:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:31:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 02:31:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:31:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 02:31:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:31:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:31:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:31:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:31:13,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:31:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:31:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:31:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:31:13,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:31:13,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:31:13,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:31:13,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:31:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:31:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:31:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:31:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:31:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:31:13,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675442462] [2020-10-27 02:31:13,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:31:13,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 02:31:13,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448477456] [2020-10-27 02:31:13,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:31:13,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:31:13,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:31:13,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:31:13,259 INFO L87 Difference]: Start difference. First operand 1089 states and 1746 transitions. Second operand 16 states. [2020-10-27 02:31:15,334 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:31:15,794 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 02:31:17,047 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:31:18,227 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:31:19,515 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:31:22,425 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:31:23,648 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:31:23,883 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 02:31:27,859 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:31:28,152 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:31:28,615 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:31:30,160 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:31:31,273 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:31:32,237 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:31:32,431 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:31:32,717 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:31:32,943 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109