/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:56:11,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:56:11,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:56:11,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:56:11,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:56:11,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:56:11,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:56:11,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:56:11,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:56:11,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:56:11,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:56:11,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:56:11,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:56:11,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:56:11,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:56:11,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:56:11,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:56:11,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:56:11,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:56:11,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:56:11,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:56:11,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:56:11,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:56:11,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:56:11,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:56:11,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:56:11,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:56:11,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:56:11,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:56:11,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:56:11,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:56:11,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:56:11,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:56:11,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:56:11,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:56:11,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:56:11,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:56:11,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:56:11,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:56:11,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:56:11,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:56:11,134 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 [2020-10-14 05:56:11,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:56:11,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:56:11,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:56:11,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:56:11,180 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:56:11,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:56:11,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:56:11,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:56:11,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:56:11,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:56:11,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:56:11,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:56:11,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:56:11,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:56:11,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:56:11,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:56:11,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:56:11,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:56:11,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:56:11,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:56:11,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:56:11,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:56:11,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:56:11,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:56:11,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:56:11,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:56:11,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:56:11,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:56:11,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:56:11,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:56:11,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:56:11,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:56:11,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:56:11,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:56:11,525 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:56:11,525 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-14 05:56:11,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd2a3383/6c23e07ddd6347a38d1cb23ea217eb83/FLAG7a9cc319c [2020-10-14 05:56:12,195 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:56:12,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product18.cil.c [2020-10-14 05:56:12,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd2a3383/6c23e07ddd6347a38d1cb23ea217eb83/FLAG7a9cc319c [2020-10-14 05:56:12,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd2a3383/6c23e07ddd6347a38d1cb23ea217eb83 [2020-10-14 05:56:12,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:56:12,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:56:12,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:56:12,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:56:12,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:56:12,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:56:12" (1/1) ... [2020-10-14 05:56:12,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba9309b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:12, skipping insertion in model container [2020-10-14 05:56:12,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:56:12" (1/1) ... [2020-10-14 05:56:12,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:56:12,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:56:13,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:56:13,214 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:56:13,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:56:13,434 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:56:13,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13 WrapperNode [2020-10-14 05:56:13,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:56:13,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:56:13,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:56:13,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:56:13,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (1/1) ... [2020-10-14 05:56:13,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:56:13,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:56:13,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:56:13,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:56:13,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (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 [2020-10-14 05:56:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:56:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:56:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:56:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:56:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:56:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:56:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:56:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:56:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:56:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:56:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:56:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:56:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:56:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:56:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:56:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:56:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:56:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:56:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:56:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:56:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:56:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:56:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:56:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:56:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:56:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:56:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:56:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:56:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:56:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:56:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:56:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:56:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-14 05:56:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:56:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:56:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:56:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:56:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:56:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:56:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:56:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:56:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:56:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:56:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:56:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:56:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:56:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:56:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:56:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:56:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:56:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:56:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:56:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:56:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:56:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:56:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:56:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:56:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:56:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:56:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:56:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:56:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:56:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:56:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:56:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:56:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:56:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:56:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:56:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:56:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:56:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:56:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:56:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:56:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:56:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:56:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:56:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:56:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:56:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-14 05:56:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-14 05:56:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-14 05:56:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:56:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:56:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:56:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:56:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:56:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:56:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:56:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:56:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:56:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:56:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:56:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:56:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:56:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:56:16,006 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:56:16,006 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:56:16,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:56:16 BoogieIcfgContainer [2020-10-14 05:56:16,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:56:16,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:56:16,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:56:16,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:56:16,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:56:12" (1/3) ... [2020-10-14 05:56:16,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2c787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:56:16, skipping insertion in model container [2020-10-14 05:56:16,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:56:13" (2/3) ... [2020-10-14 05:56:16,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a2c787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:56:16, skipping insertion in model container [2020-10-14 05:56:16,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:56:16" (3/3) ... [2020-10-14 05:56:16,035 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product18.cil.c [2020-10-14 05:56:16,046 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:56:16,058 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:56:16,072 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:56:16,106 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:56:16,106 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:56:16,106 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:56:16,106 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:56:16,106 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:56:16,106 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:56:16,107 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:56:16,107 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:56:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states. [2020-10-14 05:56:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 05:56:16,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:16,187 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] [2020-10-14 05:56:16,187 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:16,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:16,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1188892362, now seen corresponding path program 1 times [2020-10-14 05:56:16,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:16,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941163943] [2020-10-14 05:56:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:16,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:17,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:21,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:21,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:56:21,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:56:21,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 05:56:21,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:21,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 05:56:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:56:22,897 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:56:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:22,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:22,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:22,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:22,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 05:56:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:22,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:23,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:23,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:56:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:56:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:56:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:23,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:23,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:56:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:56:23,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:56:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 05:56:23,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:23,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:23,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:23,468 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:56:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:56:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:23,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:26,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:26,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:56:26,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:26,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3200 [2020-10-14 05:56:26,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:26,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 05:56:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:26,852 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:56:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:26,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:56:27,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:27,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 688 [2020-10-14 05:56:27,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:27,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:56:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:56:27,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:56:27,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:56:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:27,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:27,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:56:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:56:27,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 05:56:27,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:56:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:56:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:56:27,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:56:27,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:27,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:27,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:56:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:56:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:27,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:27,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:27,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:27,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:56:27,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941163943] [2020-10-14 05:56:27,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:56:27,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 05:56:27,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374348017] [2020-10-14 05:56:27,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 05:56:27,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:56:27,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 05:56:27,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 05:56:27,960 INFO L87 Difference]: Start difference. First operand 758 states. Second operand 7 states. [2020-10-14 05:56:29,815 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:56:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:56:49,728 INFO L93 Difference]: Finished difference Result 1079 states and 1937 transitions. [2020-10-14 05:56:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 05:56:49,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-10-14 05:56:49,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:56:49,772 INFO L225 Difference]: With dead ends: 1079 [2020-10-14 05:56:49,774 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 05:56:49,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:56:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 05:56:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2020-10-14 05:56:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-14 05:56:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 951 transitions. [2020-10-14 05:56:50,109 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 951 transitions. Word has length 85 [2020-10-14 05:56:50,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:56:50,112 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 951 transitions. [2020-10-14 05:56:50,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 05:56:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 951 transitions. [2020-10-14 05:56:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 05:56:50,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:50,123 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] [2020-10-14 05:56:50,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:56:50,124 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:50,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:50,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1803845193, now seen corresponding path program 1 times [2020-10-14 05:56:50,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:50,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549273695] [2020-10-14 05:56:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:50,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:51,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:55,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:55,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 05:56:55,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:55,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:56,172 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:56:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:56,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 05:56:56,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:56,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:56:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:56,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:56,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:56:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:56,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:56:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:56,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:56,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:56,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:56:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:56,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:56,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:56,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:56,502 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:56:56,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:56:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 05:56:58,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:56:58,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-10-14 05:56:58,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:56:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 05:56:58,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:56:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-14 05:56:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:56:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:56:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:58,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:58,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 05:56:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:56:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:56:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:56:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:56:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:56:58,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 05:56:58,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:56:58,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:58,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:56:58,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:56:58,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:58,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:58,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:56:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:56:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:58,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:58,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:58,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:56:58,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549273695] [2020-10-14 05:56:58,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:56:58,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:56:58,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069307082] [2020-10-14 05:56:58,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:56:58,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:56:58,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:56:58,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:56:58,762 INFO L87 Difference]: Start difference. First operand 591 states and 951 transitions. Second operand 9 states. [2020-10-14 05:57:00,542 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:57:01,956 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:57:24,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:57:24,007 INFO L93 Difference]: Finished difference Result 1537 states and 2677 transitions. [2020-10-14 05:57:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:57:24,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-10-14 05:57:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:57:24,020 INFO L225 Difference]: With dead ends: 1537 [2020-10-14 05:57:24,020 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 05:57:24,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:57:24,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 05:57:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2020-10-14 05:57:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-14 05:57:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 946 transitions. [2020-10-14 05:57:24,177 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 946 transitions. Word has length 87 [2020-10-14 05:57:24,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:57:24,177 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 946 transitions. [2020-10-14 05:57:24,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:57:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 946 transitions. [2020-10-14 05:57:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 05:57:24,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:57:24,180 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] [2020-10-14 05:57:24,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:57:24,180 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:57:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:57:24,181 INFO L82 PathProgramCache]: Analyzing trace with hash 763807859, now seen corresponding path program 1 times [2020-10-14 05:57:24,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:57:24,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891701014] [2020-10-14 05:57:24,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:57:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:24,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:24,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:24,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:25,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:29,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:29,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-14 05:57:29,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:57:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-14 05:57:29,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:29,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:57:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:57:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:30,199 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:57:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:30,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 05:57:30,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:30,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:30,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:57:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:30,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:30,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:30,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:57:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:30,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:30,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:30,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:57:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:30,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:30,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:30,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:30,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:30,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:30,613 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:57:30,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:57:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:30,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:32,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:32,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 05:57:32,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:57:32,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1794 [2020-10-14 05:57:32,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:32,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:57:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:57:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:32,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:32,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:32,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 05:57:33,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:57:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-14 05:57:33,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:57:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:57:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:33,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:33,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:57:33,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 05:57:33,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 05:57:33,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:57:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:57:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:57:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:33,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:57:33,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:33,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:57:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:57:33,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:33,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:57:33,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:57:33,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:33,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:33,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:57:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:57:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:33,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:33,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:33,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:33,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:33,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:33,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:57:33,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891701014] [2020-10-14 05:57:33,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:57:33,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:57:33,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640538568] [2020-10-14 05:57:33,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:57:33,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:57:33,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:57:33,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:57:33,348 INFO L87 Difference]: Start difference. First operand 591 states and 946 transitions. Second operand 9 states. [2020-10-14 05:57:35,255 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:57:36,314 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:57:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:57:53,242 INFO L93 Difference]: Finished difference Result 1537 states and 2672 transitions. [2020-10-14 05:57:53,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:57:53,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-14 05:57:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:57:53,252 INFO L225 Difference]: With dead ends: 1537 [2020-10-14 05:57:53,252 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 05:57:53,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:57:53,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 05:57:53,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2020-10-14 05:57:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-14 05:57:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 941 transitions. [2020-10-14 05:57:53,389 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 941 transitions. Word has length 88 [2020-10-14 05:57:53,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:57:53,389 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 941 transitions. [2020-10-14 05:57:53,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:57:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 941 transitions. [2020-10-14 05:57:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 05:57:53,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:57:53,392 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] [2020-10-14 05:57:53,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:57:53,393 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:57:53,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:57:53,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1451375218, now seen corresponding path program 1 times [2020-10-14 05:57:53,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:57:53,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371792941] [2020-10-14 05:57:53,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:57:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:53,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:53,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:55,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:58,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 05:57:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:57:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 05:57:58,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:58,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:57:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:57:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,407 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:57:59,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:59,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 05:57:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:57:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:59,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:57:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:59,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:59,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:57:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:59,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:59,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:59,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:59,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:59,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:59,739 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:57:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:57:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:59,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:59,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:00,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:58:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:58:00,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:00,787 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 05:58:00,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:00,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:00,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 05:58:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-14 05:58:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:58:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:58:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:01,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:01,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:58:01,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 05:58:01,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:58:01,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:58:01,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:58:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:01,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:58:01,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:01,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:58:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:58:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:58:01,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:58:01,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:58:01,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:58:01,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:58:01,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:01,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:01,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:01,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:01,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:01,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:01,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:01,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:01,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:01,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:01,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:01,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:58:01,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371792941] [2020-10-14 05:58:01,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:58:01,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:58:01,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139176802] [2020-10-14 05:58:01,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:58:01,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:01,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:58:01,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:01,551 INFO L87 Difference]: Start difference. First operand 591 states and 941 transitions. Second operand 9 states. [2020-10-14 05:58:04,047 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:58:05,094 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:58:21,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:58:21,812 INFO L93 Difference]: Finished difference Result 1537 states and 2667 transitions. [2020-10-14 05:58:21,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:58:21,813 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-14 05:58:21,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:58:21,821 INFO L225 Difference]: With dead ends: 1537 [2020-10-14 05:58:21,821 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 05:58:21,825 INFO L675 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 [2020-10-14 05:58:21,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 05:58:21,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2020-10-14 05:58:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-14 05:58:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 936 transitions. [2020-10-14 05:58:21,934 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 936 transitions. Word has length 89 [2020-10-14 05:58:21,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:58:21,934 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 936 transitions. [2020-10-14 05:58:21,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:58:21,935 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 936 transitions. [2020-10-14 05:58:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 05:58:21,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:21,937 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] [2020-10-14 05:58:21,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:58:21,937 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:21,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:21,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1441370664, now seen corresponding path program 1 times [2020-10-14 05:58:21,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:21,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312509228] [2020-10-14 05:58:21,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:22,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:22,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:24,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:58:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:58:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:27,959 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:58:27,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:27,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:27,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:27,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:27,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:27,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:28,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:28,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:58:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:28,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:58:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:28,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:28,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:58:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:28,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:28,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:58:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:28,243 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:58:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:58:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:28,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:28,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 912 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:58:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:58:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:58:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:29,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:58:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:58:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:58:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:58:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:58:29,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:58:29,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:58:29,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:29,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:29,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:29,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:29,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:29,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:29,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:58:29,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312509228] [2020-10-14 05:58:29,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:58:29,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:58:29,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077492027] [2020-10-14 05:58:29,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:58:29,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:29,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:58:29,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:29,804 INFO L87 Difference]: Start difference. First operand 591 states and 936 transitions. Second operand 9 states. [2020-10-14 05:58:31,703 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:58:32,882 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:58:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:58:50,796 INFO L93 Difference]: Finished difference Result 1537 states and 2662 transitions. [2020-10-14 05:58:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:58:50,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-14 05:58:50,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:58:50,805 INFO L225 Difference]: With dead ends: 1537 [2020-10-14 05:58:50,805 INFO L226 Difference]: Without dead ends: 1029 [2020-10-14 05:58:50,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:58:50,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-10-14 05:58:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 591. [2020-10-14 05:58:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-14 05:58:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 931 transitions. [2020-10-14 05:58:50,942 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 931 transitions. Word has length 90 [2020-10-14 05:58:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:58:50,942 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 931 transitions. [2020-10-14 05:58:50,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:58:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 931 transitions. [2020-10-14 05:58:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 05:58:50,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:50,945 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] [2020-10-14 05:58:50,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:58:50,945 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:50,946 INFO L82 PathProgramCache]: Analyzing trace with hash 224680889, now seen corresponding path program 1 times [2020-10-14 05:58:50,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:50,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288046565] [2020-10-14 05:58:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:51,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:51,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:51,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:51,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:53,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 05:58:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 05:58:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:58:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:58:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:56,883 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:58:56,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:56,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:56,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:56,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:58:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:56,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:56,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:58:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:56,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:58:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:58:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:56,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:56,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:57,195 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:58:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:58:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:57,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:57,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1815 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:58:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:59,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:59,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 05:58:59,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:58:59,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-10-14 05:58:59,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:59,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:58:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:58:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:59,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:59,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:59,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:58:59,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:59,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:59,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:00,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 05:59:00,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:59:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:59:00,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:59:00,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:00,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:59:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:00,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:59:00,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:59:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:59:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 05:59:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:59:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:00,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:59:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:00,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:00,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:00,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:59:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:00,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:00,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:00,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:00,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:00,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:00,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:00,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:00,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:00,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:59:00,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288046565] [2020-10-14 05:59:00,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:59:00,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 05:59:00,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928073863] [2020-10-14 05:59:00,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:59:00,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:59:00,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:59:00,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:59:00,231 INFO L87 Difference]: Start difference. First operand 591 states and 931 transitions. Second operand 10 states. [2020-10-14 05:59:02,234 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-14 05:59:03,443 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:59:04,444 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:59:28,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:59:28,516 INFO L93 Difference]: Finished difference Result 1544 states and 2669 transitions. [2020-10-14 05:59:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 05:59:28,517 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-14 05:59:28,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:59:28,526 INFO L225 Difference]: With dead ends: 1544 [2020-10-14 05:59:28,526 INFO L226 Difference]: Without dead ends: 1039 [2020-10-14 05:59:28,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:59:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-14 05:59:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 594. [2020-10-14 05:59:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-14 05:59:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 935 transitions. [2020-10-14 05:59:28,674 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 935 transitions. Word has length 90 [2020-10-14 05:59:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:59:28,675 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 935 transitions. [2020-10-14 05:59:28,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:59:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 935 transitions. [2020-10-14 05:59:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-14 05:59:28,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:59:28,676 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] [2020-10-14 05:59:28,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:59:28,677 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:59:28,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:59:28,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1170026285, now seen corresponding path program 1 times [2020-10-14 05:59:28,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:59:28,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697836252] [2020-10-14 05:59:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:59:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:28,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:28,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:28,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:33,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:59:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:59:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,597 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-14 05:59:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:59:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:59:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:59:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:59:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:59:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:59:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:34,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:34,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:34,903 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:59:34,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:59:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:34,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:34,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:35,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:35,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 05:59:35,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 963 [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:59:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:59:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:36,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:59:36,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:59:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 05:59:36,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 05:59:36,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:59:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:59:36,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:59:36,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 05:59:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:59:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:36,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:59:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:59:36,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:59:36,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:59:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:59:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:59:36,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:59:36,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:59:36,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:59:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:59:36,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:59:36,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:59:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:59:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:59:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:59:36,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:59:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:59:36,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697836252] [2020-10-14 05:59:36,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:59:36,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:59:36,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761596422] [2020-10-14 05:59:36,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:59:36,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:59:36,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:59:36,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:59:36,454 INFO L87 Difference]: Start difference. First operand 594 states and 935 transitions. Second operand 9 states. [2020-10-14 05:59:38,128 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:59:39,136 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 121