/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:55:12,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:55:12,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:55:12,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:55:12,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:55:12,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:55:12,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:55:12,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:55:12,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:55:12,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:55:12,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:55:12,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:55:12,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:55:12,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:55:12,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:55:12,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:55:12,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:55:12,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:55:12,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:55:12,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:55:12,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:55:12,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:55:12,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:55:12,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:55:12,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:55:12,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:55:12,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:55:12,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:55:12,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:55:12,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:55:12,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:55:12,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:55:12,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:55:12,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:55:12,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:55:12,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:55:12,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:55:12,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:55:12,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:55:12,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:55:12,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:55:12,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:55:12,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:55:12,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:55:12,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:55:12,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:55:12,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:55:12,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:55:12,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:55:12,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:55:12,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:55:12,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:55:12,652 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:55:12,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:55:12,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:55:12,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:55:12,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:55:12,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:55:12,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:55:12,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:55:12,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:55:12,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:55:12,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:55:12,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:55:12,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:55:12,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:55:12,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:55:13,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:55:13,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:55:13,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:55:13,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:55:13,100 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:55:13,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-27 20:55:13,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ba78aae0/fcb749580f70498299a24f9867c77ba7/FLAG14114ae42 [2020-10-27 20:55:14,064 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:55:14,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-27 20:55:14,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ba78aae0/fcb749580f70498299a24f9867c77ba7/FLAG14114ae42 [2020-10-27 20:55:14,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ba78aae0/fcb749580f70498299a24f9867c77ba7 [2020-10-27 20:55:14,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:55:14,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:55:14,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:14,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:55:14,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:55:14,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:14" (1/1) ... [2020-10-27 20:55:14,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e098116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:14, skipping insertion in model container [2020-10-27 20:55:14,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:14" (1/1) ... [2020-10-27 20:55:14,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:55:14,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:55:15,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:15,036 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:55:15,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:15,266 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:55:15,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15 WrapperNode [2020-10-27 20:55:15,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:15,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:55:15,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:55:15,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:55:15,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... [2020-10-27 20:55:15,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:55:15,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:55:15,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:55:15,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:55:15,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:55:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:55:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:55:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:55:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:55:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:55:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:55:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:55:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:55:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:55:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:55:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:55:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:55:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:55:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:55:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:55:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:55:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:55:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:55:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:55:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:55:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:55:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:55:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:55:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:55:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:55:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:55:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:55:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:55:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:55:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:55:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:55:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:55:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:55:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:55:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:55:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:55:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:55:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:55:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:55:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:55:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:55:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:55:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:55:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:55:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:55:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:55:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:55:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:55:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:55:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:55:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:55:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:55:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:55:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:55:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:55:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:55:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:55:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:55:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:55:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:55:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:55:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:55:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:55:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:55:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:55:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:55:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:55:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:55:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:55:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:55:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:55:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:55:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:55:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:55:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:55:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:55:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:55:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:55:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:55:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:55:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-27 20:55:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-27 20:55:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:55:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:55:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:55:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:55:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:55:15,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:55:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:55:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:55:15,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:55:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:55:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:55:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:55:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:55:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:55:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:55:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:55:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:55:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:55:18,659 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:55:18,660 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:55:18,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:55:18 BoogieIcfgContainer [2020-10-27 20:55:18,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:55:18,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:55:18,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:55:18,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:55:18,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:55:14" (1/3) ... [2020-10-27 20:55:18,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b9e3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:55:18, skipping insertion in model container [2020-10-27 20:55:18,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:15" (2/3) ... [2020-10-27 20:55:18,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b9e3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:55:18, skipping insertion in model container [2020-10-27 20:55:18,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:55:18" (3/3) ... [2020-10-27 20:55:18,674 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product18.cil.c [2020-10-27 20:55:18,687 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:55:18,693 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:55:18,707 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:55:18,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:55:18,743 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:55:18,743 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:55:18,743 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:55:18,743 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:55:18,744 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:55:18,744 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:55:18,744 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:55:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2020-10-27 20:55:18,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 20:55:18,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:55:18,802 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] [2020-10-27 20:55:18,803 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:55:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:55:18,810 INFO L82 PathProgramCache]: Analyzing trace with hash -363074672, now seen corresponding path program 1 times [2020-10-27 20:55:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:55:18,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456509297] [2020-10-27 20:55:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:55:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:20,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:20,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:24,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:55:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:55:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-27 20:55:24,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:24,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 20:55:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:55:25,557 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:55:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 20:55:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:55:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:25,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:25,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:55:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:25,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:25,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:55:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:25,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:25,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:55:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:55:25,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:25,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:55:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:25,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:25,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:25,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:25,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:25,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:25,921 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:55:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:55:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:25,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:25,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:26,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:28,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 20:55:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:55:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2095 [2020-10-27 20:55:28,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:55:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:55:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:28,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:55:28,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:55:28,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-27 20:55:28,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:55:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:55:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:28,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:28,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:28,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:28,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:55:28,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:55:28,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:28,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:28,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:55:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:55:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:55:29,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 20:55:29,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:55:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:55:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:55:29,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:29,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:55:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:55:29,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:55:29,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:55:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:55:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:29,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:55:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:55:29,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 20:55:29,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 20:55:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:29,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:55:29,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:55:29,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:55:29,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:29,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:55:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:55:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:55:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:55:29,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:55:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:29,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:29,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:55:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:55:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:55:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:55:29,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:55:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:55:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:55:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:55:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:55:29,473 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 20:55:29,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456509297] [2020-10-27 20:55:29,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:55:29,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:55:29,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364385609] [2020-10-27 20:55:29,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:55:29,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:55:29,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:55:29,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:55:29,507 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 11 states. [2020-10-27 20:55:31,691 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:32,596 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:55:33,651 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:55:35,098 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:55:54,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:55:54,579 INFO L93 Difference]: Finished difference Result 1626 states and 2841 transitions. [2020-10-27 20:55:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:55:54,581 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-27 20:55:54,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:55:54,628 INFO L225 Difference]: With dead ends: 1626 [2020-10-27 20:55:54,628 INFO L226 Difference]: Without dead ends: 1030 [2020-10-27 20:55:54,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:55:54,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-27 20:55:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-27 20:55:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-27 20:55:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 946 transitions. [2020-10-27 20:55:55,045 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 946 transitions. Word has length 86 [2020-10-27 20:55:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:55:55,047 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 946 transitions. [2020-10-27 20:55:55,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:55:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 946 transitions. [2020-10-27 20:55:55,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 20:55:55,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:55:55,066 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] [2020-10-27 20:55:55,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:55:55,067 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:55:55,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:55:55,067 INFO L82 PathProgramCache]: Analyzing trace with hash -798203720, now seen corresponding path program 1 times [2020-10-27 20:55:55,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:55:55,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062483155] [2020-10-27 20:55:55,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:55:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:55:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:55,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:55,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:55:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:56:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:56:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 20:56:00,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 20:56:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,043 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:56:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:01,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 20:56:01,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:56:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:56:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:56:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:56:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:01,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:56:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:01,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:01,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:56:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:56:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:01,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:02,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:02,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 20:56:02,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:02,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-27 20:56:02,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:56:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:02,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:56:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:56:03,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:56:03,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:56:03,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:03,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:03,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:56:03,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:56:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:56:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:56:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:56:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:56:03,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:56:03,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:56:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:56:03,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:56:03,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:56:03,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:03,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:03,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:03,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:03,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:03,753 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 20:56:03,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062483155] [2020-10-27 20:56:03,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:56:03,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:56:03,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309808732] [2020-10-27 20:56:03,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:56:03,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:56:03,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:56:03,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:56:03,757 INFO L87 Difference]: Start difference. First operand 592 states and 946 transitions. Second operand 11 states. [2020-10-27 20:56:06,026 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:06,946 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:56:07,984 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:09,313 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:56:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:56:30,422 INFO L93 Difference]: Finished difference Result 1590 states and 2759 transitions. [2020-10-27 20:56:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:56:30,423 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-27 20:56:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:56:30,435 INFO L225 Difference]: With dead ends: 1590 [2020-10-27 20:56:30,435 INFO L226 Difference]: Without dead ends: 1030 [2020-10-27 20:56:30,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:56:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-27 20:56:30,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-27 20:56:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-27 20:56:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 940 transitions. [2020-10-27 20:56:30,585 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 940 transitions. Word has length 90 [2020-10-27 20:56:30,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:56:30,585 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 940 transitions. [2020-10-27 20:56:30,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:56:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 940 transitions. [2020-10-27 20:56:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 20:56:30,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:56:30,588 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] [2020-10-27 20:56:30,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:56:30,589 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:56:30,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:56:30,589 INFO L82 PathProgramCache]: Analyzing trace with hash 25730876, now seen corresponding path program 1 times [2020-10-27 20:56:30,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:56:30,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364383611] [2020-10-27 20:56:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:56:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:30,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:30,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:30,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:35,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:35,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:56:35,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:56:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 20:56:35,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 20:56:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:56:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,641 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:56:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:36,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:56:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:36,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:36,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:56:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:36,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:36,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:56:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:36,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:56:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:36,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:56:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:36,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:36,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:36,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:36,986 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:56:36,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:56:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:37,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:37,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:38,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:38,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 20:56:38,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1662 [2020-10-27 20:56:38,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:38,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:38,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:56:38,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:56:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:56:38,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:38,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:38,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 535 [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:56:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:56:39,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:56:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:56:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:56:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:56:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:56:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:56:39,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 20:56:39,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:39,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:56:39,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:56:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:56:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:39,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:56:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:56:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:56:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:56:39,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:56:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:56:39,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:56:39,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:39,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:39,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:39,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:56:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:56:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:39,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:39,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:39,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:39,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:39,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:39,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:39,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:39,681 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 20:56:39,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364383611] [2020-10-27 20:56:39,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:56:39,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:56:39,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038345112] [2020-10-27 20:56:39,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:56:39,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:56:39,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:56:39,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:56:39,686 INFO L87 Difference]: Start difference. First operand 592 states and 940 transitions. Second operand 11 states. [2020-10-27 20:56:41,768 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:42,724 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:56:43,799 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:44,914 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:57:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:57:00,590 INFO L93 Difference]: Finished difference Result 1590 states and 2748 transitions. [2020-10-27 20:57:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:57:00,590 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-10-27 20:57:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:57:00,602 INFO L225 Difference]: With dead ends: 1590 [2020-10-27 20:57:00,602 INFO L226 Difference]: Without dead ends: 1030 [2020-10-27 20:57:00,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:57:00,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-27 20:57:00,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-27 20:57:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-27 20:57:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 934 transitions. [2020-10-27 20:57:00,765 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 934 transitions. Word has length 92 [2020-10-27 20:57:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:57:00,766 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 934 transitions. [2020-10-27 20:57:00,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:57:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 934 transitions. [2020-10-27 20:57:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 20:57:00,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:57:00,769 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] [2020-10-27 20:57:00,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:57:00,769 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:57:00,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:57:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1336621361, now seen corresponding path program 1 times [2020-10-27 20:57:00,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:57:00,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914213903] [2020-10-27 20:57:00,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:57:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:00,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:01,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:02,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:05,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:05,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 20:57:05,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:57:05,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,820 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:57:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:57:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:57:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:06,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:06,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:57:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:57:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:06,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:06,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:06,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:07,102 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:57:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:57:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:07,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 927 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 20:57:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:57:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:57:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:57:08,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:57:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:57:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:08,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:08,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:57:08,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:57:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:57:08,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:57:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:08,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:08,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:57:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:08,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:08,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:08,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:08,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:08,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:08,755 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 20:57:08,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914213903] [2020-10-27 20:57:08,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:57:08,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:57:08,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370336662] [2020-10-27 20:57:08,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:57:08,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:57:08,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:57:08,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:57:08,758 INFO L87 Difference]: Start difference. First operand 592 states and 934 transitions. Second operand 11 states. [2020-10-27 20:57:11,385 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:57:12,297 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:57:13,297 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:57:14,454 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:57:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:57:30,539 INFO L93 Difference]: Finished difference Result 1590 states and 2737 transitions. [2020-10-27 20:57:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:57:30,540 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-10-27 20:57:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:57:30,550 INFO L225 Difference]: With dead ends: 1590 [2020-10-27 20:57:30,550 INFO L226 Difference]: Without dead ends: 1030 [2020-10-27 20:57:30,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:57:30,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-27 20:57:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 592. [2020-10-27 20:57:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-27 20:57:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 928 transitions. [2020-10-27 20:57:30,718 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 928 transitions. Word has length 94 [2020-10-27 20:57:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:57:30,718 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 928 transitions. [2020-10-27 20:57:30,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:57:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 928 transitions. [2020-10-27 20:57:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 20:57:30,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:57:30,721 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] [2020-10-27 20:57:30,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:57:30,721 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:57:30,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:57:30,722 INFO L82 PathProgramCache]: Analyzing trace with hash -2144796844, now seen corresponding path program 1 times [2020-10-27 20:57:30,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:57:30,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360265327] [2020-10-27 20:57:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:57:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:31,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:33,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 20:57:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:57:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:36,678 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:57:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:36,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:57:36,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-10-27 20:57:36,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:57:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:36,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:36,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:36,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:57:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:36,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:57:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:57:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:37,017 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:57:37,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:57:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:37,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:37,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:37,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 20:57:38,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:57:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1178 [2020-10-27 20:57:38,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:57:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 20:57:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:57:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:57:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:57:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:57:38,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:57:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:57:38,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:57:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:57:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:57:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:57:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:57:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:57:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:38,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:57:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:57:38,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:38,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:57:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:38,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:38,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:38,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:38,990 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 20:57:38,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360265327] [2020-10-27 20:57:38,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:57:38,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:57:38,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220757668] [2020-10-27 20:57:38,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:57:38,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:57:38,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:57:38,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:57:38,992 INFO L87 Difference]: Start difference. First operand 592 states and 928 transitions. Second operand 12 states. [2020-10-27 20:57:41,205 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:57:42,119 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:57:43,249 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:57:44,496 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:57:45,384 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:58:02,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:58:02,081 INFO L93 Difference]: Finished difference Result 1595 states and 2737 transitions. [2020-10-27 20:58:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:58:02,082 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-27 20:58:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:58:02,091 INFO L225 Difference]: With dead ends: 1595 [2020-10-27 20:58:02,091 INFO L226 Difference]: Without dead ends: 1040 [2020-10-27 20:58:02,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:58:02,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-27 20:58:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 595. [2020-10-27 20:58:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-27 20:58:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 931 transitions. [2020-10-27 20:58:02,341 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 931 transitions. Word has length 95 [2020-10-27 20:58:02,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:58:02,341 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 931 transitions. [2020-10-27 20:58:02,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:58:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 931 transitions. [2020-10-27 20:58:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 20:58:02,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:58:02,347 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] [2020-10-27 20:58:02,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:58:02,347 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:58:02,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:58:02,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1840963707, now seen corresponding path program 1 times [2020-10-27 20:58:02,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:58:02,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628779777] [2020-10-27 20:58:02,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:58:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:02,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:02,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:02,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:04,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:04,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:05,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:07,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:07,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 20:58:07,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:58:07,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,380 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:58:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:58:08,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:08,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:58:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:58:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:58:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,696 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:58:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:58:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:58:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:58:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:58:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:58:09,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:58:09,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 20:58:09,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:58:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:58:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:58:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:58:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:58:09,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:09,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:58:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:58:09,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:09,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:09,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:09,794 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 20:58:09,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628779777] [2020-10-27 20:58:09,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:58:09,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:58:09,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176833825] [2020-10-27 20:58:09,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:58:09,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:58:09,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:58:09,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:58:09,797 INFO L87 Difference]: Start difference. First operand 595 states and 931 transitions. Second operand 9 states. [2020-10-27 20:58:11,957 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:58:13,018 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:58:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:58:29,910 INFO L93 Difference]: Finished difference Result 1544 states and 2667 transitions. [2020-10-27 20:58:29,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 20:58:29,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-10-27 20:58:29,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:58:29,920 INFO L225 Difference]: With dead ends: 1544 [2020-10-27 20:58:29,920 INFO L226 Difference]: Without dead ends: 1034 [2020-10-27 20:58:29,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:58:29,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-10-27 20:58:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 595. [2020-10-27 20:58:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-27 20:58:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 926 transitions. [2020-10-27 20:58:30,113 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 926 transitions. Word has length 97 [2020-10-27 20:58:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:58:30,113 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 926 transitions. [2020-10-27 20:58:30,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:58:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 926 transitions. [2020-10-27 20:58:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 20:58:30,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:58:30,116 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] [2020-10-27 20:58:30,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:58:30,117 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:58:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:58:30,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1773908600, now seen corresponding path program 1 times [2020-10-27 20:58:30,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:58:30,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959422174] [2020-10-27 20:58:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:58:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:31,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:33,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:58:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,081 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:58:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:58:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:36,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:36,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:58:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:58:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:36,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,428 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:58:36,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:58:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 20:58:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 20:58:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:58:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:58:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:58:37,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:58:37,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:58:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:58:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:58:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:37,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:37,381 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 20:58:37,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959422174] [2020-10-27 20:58:37,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:58:37,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 20:58:37,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228277431] [2020-10-27 20:58:37,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 20:58:37,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:58:37,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 20:58:37,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 20:58:37,384 INFO L87 Difference]: Start difference. First operand 595 states and 926 transitions. Second operand 10 states. [2020-10-27 20:58:39,327 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:58:40,537 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:58:41,361 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121