/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:49:48,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:49:48,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:49:48,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:49:48,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:49:48,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:49:48,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:49:48,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:49:48,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:49:48,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:49:48,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:49:48,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:49:48,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:49:48,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:49:48,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:49:48,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:49:48,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:49:48,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:49:48,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:49:48,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:49:48,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:49:48,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:49:48,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:49:48,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:49:48,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:49:48,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:49:48,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:49:48,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:49:48,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:49:48,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:49:48,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:49:48,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:49:48,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:49:48,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:49:48,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:49:48,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:49:48,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:49:48,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:49:48,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:49:48,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:49:48,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:49:48,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:49:48,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:49:48,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:49:48,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:49:48,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:49:48,744 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:49:48,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:49:48,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:49:48,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:49:48,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:49:48,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:49:48,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:49:48,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:49:48,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:49:48,746 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:49:48,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:49:48,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:49:48,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:49:48,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:49:48,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:49:48,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:49:48,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:49:48,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:49:48,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:49:48,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:49:48,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:49:48,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:49:48,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:49:48,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:49:48,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:49:48,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:49:49,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:49:49,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:49:49,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:49:49,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:49:49,239 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:49:49,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-27 20:49:49,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6a2df24a/5c21f75dfd7d4ac19d5931aaeadef4e2/FLAGf047dc757 [2020-10-27 20:49:50,182 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:49:50,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product18.cil.c [2020-10-27 20:49:50,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6a2df24a/5c21f75dfd7d4ac19d5931aaeadef4e2/FLAGf047dc757 [2020-10-27 20:49:50,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6a2df24a/5c21f75dfd7d4ac19d5931aaeadef4e2 [2020-10-27 20:49:50,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:49:50,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:49:50,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:49:50,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:49:50,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:49:50,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:49:50" (1/1) ... [2020-10-27 20:49:50,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b0b30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:50, skipping insertion in model container [2020-10-27 20:49:50,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:49:50" (1/1) ... [2020-10-27 20:49:50,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:49:50,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:49:51,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:49:51,117 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:49:51,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:49:51,387 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:49:51,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51 WrapperNode [2020-10-27 20:49:51,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:49:51,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:49:51,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:49:51,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:49:51,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... [2020-10-27 20:49:51,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:49:51,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:49:51,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:49:51,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:49:51,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:49:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:49:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:49:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:49:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:49:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:49:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:49:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:49:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:49:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:49:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:49:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:49:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:49:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:49:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:49:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:49:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:49:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:49:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:49:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:49:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:49:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:49:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:49:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:49:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:49:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:49:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:49:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:49:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:49:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:49:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:49:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:49:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:49:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:49:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:49:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:49:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:49:57,336 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:49:57,336 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:49:57,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:49:57 BoogieIcfgContainer [2020-10-27 20:49:57,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:49:57,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:49:57,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:49:57,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:49:57,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:49:50" (1/3) ... [2020-10-27 20:49:57,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784c3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:49:57, skipping insertion in model container [2020-10-27 20:49:57,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:49:51" (2/3) ... [2020-10-27 20:49:57,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784c3fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:49:57, skipping insertion in model container [2020-10-27 20:49:57,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:49:57" (3/3) ... [2020-10-27 20:49:57,354 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product18.cil.c [2020-10-27 20:49:57,365 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:49:57,371 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:49:57,385 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:49:57,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:49:57,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:49:57,423 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:49:57,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:49:57,423 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:49:57,423 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:49:57,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:49:57,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:49:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-10-27 20:49:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:49:57,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:49:57,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:49:57,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:49:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:49:57,489 INFO L82 PathProgramCache]: Analyzing trace with hash 397733282, now seen corresponding path program 1 times [2020-10-27 20:49:57,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:49:57,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832233470] [2020-10-27 20:49:57,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:49:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:49:58,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:58,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:58,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:49:59,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:00,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:01,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:02,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:02,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:50:02,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:50:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 20:50:02,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:03,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:50:05,009 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:50:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:05,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 20:50:05,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:05,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:05,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:05,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:05,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:05,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:05,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:05,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:05,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:05,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:05,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:05,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:05,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:50:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:05,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:05,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:05,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:05,582 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:50:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:05,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:06,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:06,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:08,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:10,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:50:10,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:50:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 20:50:10,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:50:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:10,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:10,889 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:50:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:10,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:12,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:50:12,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:50:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1426 [2020-10-27 20:50:12,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:50:12,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:12,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:12,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:12,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:12,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:50:12,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:12,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:12,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:50:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:12,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:50:12,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 20:50:12,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:50:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:12,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:50:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:12,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:12,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:12,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:50:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:50:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:50:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:12,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:12,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:12,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:12,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:12,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:12,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:50:13,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:50:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 982 [2020-10-27 20:50:13,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:50:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:50:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:13,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:50:13,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:50:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:50:13,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:50:13,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:50:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:50:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:50:13,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:50:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:50:13,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:50:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:50:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:50:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:50:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:13,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:50:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:50:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:50:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 20:50:13,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:50:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:50:13,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:50:13,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:13,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:50:13,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:50:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:50:13,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:50:13,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:13,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:50:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:13,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:50:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 20:50:14,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832233470] [2020-10-27 20:50:14,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:50:14,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 20:50:14,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772292686] [2020-10-27 20:50:14,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:50:14,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:50:14,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:50:14,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:50:14,136 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 13 states. [2020-10-27 20:50:16,864 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:50:18,166 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:50:19,665 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:50:47,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:50:47,045 INFO L93 Difference]: Finished difference Result 1473 states and 2489 transitions. [2020-10-27 20:50:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:50:47,047 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 117 [2020-10-27 20:50:47,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:50:47,086 INFO L225 Difference]: With dead ends: 1473 [2020-10-27 20:50:47,086 INFO L226 Difference]: Without dead ends: 869 [2020-10-27 20:50:47,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:50:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-27 20:50:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 599. [2020-10-27 20:50:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-27 20:50:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 955 transitions. [2020-10-27 20:50:47,438 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 955 transitions. Word has length 117 [2020-10-27 20:50:47,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:50:47,439 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 955 transitions. [2020-10-27 20:50:47,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:50:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 955 transitions. [2020-10-27 20:50:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:50:47,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:50:47,450 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:50:47,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:50:47,451 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:50:47,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:50:47,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1271181255, now seen corresponding path program 1 times [2020-10-27 20:50:47,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:50:47,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327741738] [2020-10-27 20:50:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:50:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:47,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:47,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:47,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:48,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:52,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:50:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:52,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:53,873 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:50:53,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:53,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:53,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:53,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:53,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 20:50:53,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:50:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:50:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:53,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:53,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:53,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:53,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:53,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:53,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:50:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:53,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:50:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:53,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:53,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:50:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:53,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:50:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:50:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:50:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:50:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:50:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:50:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:54,375 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:50:54,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:50:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:50:59,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:50:59,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:50:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:50:59,603 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:50:59,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:50:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:50:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:50:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:00,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:00,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-27 20:51:00,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:00,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:51:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:00,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:51:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:00,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:00,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:00,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:51:00,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:00,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:00,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:51:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:51:01,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:51:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 833 [2020-10-27 20:51:01,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:01,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:51:01,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:51:01,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:01,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:01,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:01,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:51:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:51:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:51:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:51:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:51:01,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:51:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:51:01,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 20:51:01,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:51:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:01,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:01,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:01,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:01,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:01,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:01,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 20:51:01,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327741738] [2020-10-27 20:51:01,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:01,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:51:01,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900496486] [2020-10-27 20:51:01,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:51:01,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:01,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:51:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:51:01,858 INFO L87 Difference]: Start difference. First operand 599 states and 955 transitions. Second operand 13 states. [2020-10-27 20:51:04,565 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:05,841 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:51:07,373 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:51:26,774 INFO L93 Difference]: Finished difference Result 1447 states and 2423 transitions. [2020-10-27 20:51:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:51:26,775 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 20:51:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:51:26,786 INFO L225 Difference]: With dead ends: 1447 [2020-10-27 20:51:26,786 INFO L226 Difference]: Without dead ends: 869 [2020-10-27 20:51:26,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-27 20:51:26,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-27 20:51:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 599. [2020-10-27 20:51:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-10-27 20:51:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 949 transitions. [2020-10-27 20:51:27,046 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 949 transitions. Word has length 123 [2020-10-27 20:51:27,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:51:27,046 INFO L481 AbstractCegarLoop]: Abstraction has 599 states and 949 transitions. [2020-10-27 20:51:27,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:51:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 949 transitions. [2020-10-27 20:51:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:51:27,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:27,051 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:51:27,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:51:27,051 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:51:27,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:27,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1764729073, now seen corresponding path program 1 times [2020-10-27 20:51:27,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:27,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764931762] [2020-10-27 20:51:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:27,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:32,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:32,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:51:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:51:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,563 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:51:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:33,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 20:51:33,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:33,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:33,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:33,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:33,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:33,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:33,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,014 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:51:34,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:39,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:51:39,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:39,286 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:39,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:51:40,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1053 [2020-10-27 20:51:40,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:51:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:40,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:40,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:51:40,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:51:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:40,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:51:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:51:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:51:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:40,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:40,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:40,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:40,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:40,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:40,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:51:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:51:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:51:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:40,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:40,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:51:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:51:40,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:51:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:51:41,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:51:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-27 20:51:41,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:51:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:51:41,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:51:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:41,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 20:51:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:51:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:51:41,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:51:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:51:41,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:51:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:51:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:41,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:41,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:51:41,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764931762] [2020-10-27 20:51:41,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:51:41,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:51:41,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665713465] [2020-10-27 20:51:41,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:51:41,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:41,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:51:41,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:51:41,772 INFO L87 Difference]: Start difference. First operand 599 states and 949 transitions. Second operand 18 states. [2020-10-27 20:51:46,026 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:47,503 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:51:49,156 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:50,604 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:51:52,266 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:53,950 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:51:55,658 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:58,477 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:59,921 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:01,564 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:02,988 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:52:04,456 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:52:07,218 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:08,634 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-27 20:52:34,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:34,016 INFO L93 Difference]: Finished difference Result 1525 states and 2561 transitions. [2020-10-27 20:52:34,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 20:52:34,017 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 127 [2020-10-27 20:52:34,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:34,027 INFO L225 Difference]: With dead ends: 1525 [2020-10-27 20:52:34,028 INFO L226 Difference]: Without dead ends: 956 [2020-10-27 20:52:34,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=353, Invalid=1999, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 20:52:34,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-10-27 20:52:34,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 660. [2020-10-27 20:52:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-10-27 20:52:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1043 transitions. [2020-10-27 20:52:34,273 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1043 transitions. Word has length 127 [2020-10-27 20:52:34,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:34,273 INFO L481 AbstractCegarLoop]: Abstraction has 660 states and 1043 transitions. [2020-10-27 20:52:34,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:52:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1043 transitions. [2020-10-27 20:52:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:52:34,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:34,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:34,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:52:34,278 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:52:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:34,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1041946174, now seen corresponding path program 1 times [2020-10-27 20:52:34,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:34,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908019933] [2020-10-27 20:52:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:34,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:34,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:35,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:38,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:52:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,939 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 20:52:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:40,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:41,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:41,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:41,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:41,317 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:41,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:41,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:42,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:46,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:52:46,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:52:46,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:52:46,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:46,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:52:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:46,655 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:46,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:46,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:52:47,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 851 [2020-10-27 20:52:47,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:52:47,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:52:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:52:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:52:47,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:52:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:52:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:47,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:47,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:47,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:52:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 913 [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:52:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:52:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:52:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:52:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:48,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:48,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:48,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 20:52:48,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:48,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:52:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:48,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:52:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:52:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:49,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:49,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:52:49,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:49,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:49,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:49,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:52:49,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:49,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:49,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:49,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:49,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:49,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:49,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:49,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:49,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:49,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:49,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:49,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:49,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:49,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:52:49,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908019933] [2020-10-27 20:52:49,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:52:49,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:52:49,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618057153] [2020-10-27 20:52:49,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:52:49,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:49,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:52:49,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:52:49,241 INFO L87 Difference]: Start difference. First operand 660 states and 1043 transitions. Second operand 15 states. [2020-10-27 20:52:52,578 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:53,931 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 20:52:55,428 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:57,121 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:58,720 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:01,059 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:26,586 INFO L93 Difference]: Finished difference Result 1591 states and 2656 transitions. [2020-10-27 20:53:26,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 20:53:26,587 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-27 20:53:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:26,597 INFO L225 Difference]: With dead ends: 1591 [2020-10-27 20:53:26,598 INFO L226 Difference]: Without dead ends: 948 [2020-10-27 20:53:26,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2020-10-27 20:53:26,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-10-27 20:53:26,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 662. [2020-10-27 20:53:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-27 20:53:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1035 transitions. [2020-10-27 20:53:26,795 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1035 transitions. Word has length 131 [2020-10-27 20:53:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:26,795 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1035 transitions. [2020-10-27 20:53:26,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:53:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1035 transitions. [2020-10-27 20:53:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 20:53:26,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:26,799 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:26,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:53:26,800 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash 61882165, now seen corresponding path program 1 times [2020-10-27 20:53:26,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:26,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912847698] [2020-10-27 20:53:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:26,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking...