/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:09:48,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:09:48,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:09:48,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:09:48,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:09:48,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:09:48,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:09:48,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:09:48,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:09:48,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:09:48,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:09:48,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:09:48,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:09:48,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:09:48,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:09:48,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:09:48,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:09:48,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:09:48,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:09:48,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:09:48,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:09:48,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:09:48,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:09:48,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:09:48,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:09:48,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:09:48,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:09:48,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:09:48,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:09:48,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:09:48,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:09:48,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:09:48,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:09:48,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:09:48,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:09:48,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:09:48,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:09:48,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:09:48,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:09:48,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:09:48,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:09:48,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:09:48,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:09:48,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:09:48,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:09:48,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:09:48,724 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:09:48,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:09:48,724 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:09:48,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:09:48,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:09:48,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:09:48,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:09:48,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:09:48,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:09:48,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:09:48,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:09:48,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:09:48,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:09:48,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:09:48,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:09:48,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:09:48,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:09:48,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:09:48,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:09:48,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:09:48,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:09:48,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:09:48,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:09:48,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:09:48,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:09:48,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:09:49,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:09:49,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:09:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:09:49,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:09:49,163 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:09:49,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2020-10-27 02:09:49,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2794d14f7/ebdf568ea22e475a90bcc0d2104cdc6c/FLAG90cf401d6 [2020-10-27 02:09:50,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:09:50,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product03.cil.c [2020-10-27 02:09:50,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2794d14f7/ebdf568ea22e475a90bcc0d2104cdc6c/FLAG90cf401d6 [2020-10-27 02:09:50,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2794d14f7/ebdf568ea22e475a90bcc0d2104cdc6c [2020-10-27 02:09:50,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:09:50,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:09:50,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:50,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:09:50,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:09:50,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:50" (1/1) ... [2020-10-27 02:09:50,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0bcf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:50, skipping insertion in model container [2020-10-27 02:09:50,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:09:50" (1/1) ... [2020-10-27 02:09:50,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:09:50,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:09:51,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:51,107 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:09:51,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:09:51,376 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:09:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51 WrapperNode [2020-10-27 02:09:51,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:09:51,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:09:51,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:09:51,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:09:51,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (1/1) ... [2020-10-27 02:09:51,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:09:51,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:09:51,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:09:51,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:09:51,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (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 02:09:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:09:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:09:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:51,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:09:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:09:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:09:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:09:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:09:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:09:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:09:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:09:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:09:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:09:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:09:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:09:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:09:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:09:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:09:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:09:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:09:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:09:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:09:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:09:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:09:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:09:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:09:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:09:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:09:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:09:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:09:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:09:54,242 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:09:54,242 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:09:54,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:54 BoogieIcfgContainer [2020-10-27 02:09:54,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:09:54,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:09:54,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:09:54,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:09:54,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:09:50" (1/3) ... [2020-10-27 02:09:54,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e94aafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:54, skipping insertion in model container [2020-10-27 02:09:54,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:09:51" (2/3) ... [2020-10-27 02:09:54,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e94aafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:09:54, skipping insertion in model container [2020-10-27 02:09:54,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:09:54" (3/3) ... [2020-10-27 02:09:54,263 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product03.cil.c [2020-10-27 02:09:54,279 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:09:54,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:09:54,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:09:54,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:09:54,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:09:54,332 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:09:54,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:09:54,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:09:54,332 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:09:54,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:09:54,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:09:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states. [2020-10-27 02:09:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 02:09:54,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:54,415 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:09:54,416 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:09:54,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:54,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1263296060, now seen corresponding path program 1 times [2020-10-27 02:09:54,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:54,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136406436] [2020-10-27 02:09:54,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:55,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:56,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:57,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:59,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:09:59,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 02:09:59,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:09:59,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 02:09:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:09:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:09:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:09:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:09:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:10:01,054 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:10:01,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:10:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:01,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:01,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:10:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:01,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:10:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:01,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:01,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:10:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:10:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:01,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:01,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:01,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:01,512 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:10:01,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:10:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:01,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:02,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:02,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:02,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:04,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:04,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:06,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 02:10:06,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:10:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 02:10:06,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:10:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:06,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:06,764 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:10:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:10:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:06,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:08,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:10:08,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-27 02:10:08,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:10:08,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:08,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:08,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:08,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:10:08,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:08,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:08,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:10:08,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 02:10:08,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:10:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:08,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:08,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:08,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:08,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:10:08,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:08,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:10:08,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:08,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:08,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:10:08,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:08,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:08,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:08,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:08,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:10:08,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:10:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:08,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:09,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:10:09,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:10:09,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-10-27 02:10:09,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:09,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:10:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:10:09,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:10:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:09,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:09,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:10:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:10:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:10:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:09,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:09,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:10:09,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:10:09,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:09,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:10:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:09,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:09,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:10:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:10:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:09,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:09,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:09,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:10:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:10,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:14,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:14,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 02:10:14,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:10:14,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:14,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:14,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:18,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 02:10:18,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:10:18,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4115 [2020-10-27 02:10:18,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:18,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:10:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:10:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:10:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:18,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:18,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:10:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:10:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:19,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:10:19,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:10:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:19,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:19,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:10:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:10:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:10:19,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:10:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:10:19,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:10:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:10:19,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:10:19,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:10:19,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:19,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:10:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:10:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:10:19,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:10:19,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:10:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:10:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:10:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:10:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:10:19,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:10:19,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:10:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:10:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:10:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:10:19,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:10:19,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:10:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:10:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:10:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 02:10:19,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136406436] [2020-10-27 02:10:19,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:10:19,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 02:10:19,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150348959] [2020-10-27 02:10:19,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 02:10:19,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:10:19,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 02:10:19,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:10:19,577 INFO L87 Difference]: Start difference. First operand 754 states. Second operand 21 states. [2020-10-27 02:10:22,756 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:23,930 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:10:25,373 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:10:30,127 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:31,348 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:10:32,686 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:34,311 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:35,640 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:10:36,953 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:38,234 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:10:39,528 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:40,824 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:10:42,079 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:10:43,268 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:10:44,507 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:45,815 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:10:47,151 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:10:48,517 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:10:48,749 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:10:49,138 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:10:51,120 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:10:51,506 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:10:52,856 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:10:53,169 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:10:55,773 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:10:58,256 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:11:03,597 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:11:04,398 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:06,368 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:11:12,345 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:11:12,843 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:14,277 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:11:15,536 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:11:17,692 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:11:19,058 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:20,786 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:21,226 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:11:21,673 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:23,197 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:11:23,394 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:11:25,085 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:11:26,561 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:11:29,331 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:11:30,584 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:11:32,022 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:11:38,592 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:11:39,163 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:11:39,438 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:11:40,653 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:11:48,409 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:12:02,274 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:12:15,739 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:12:16,143 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:12:24,525 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:12:24,929 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:12:49,727 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:13:08,607 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:13:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:13:37,530 INFO L93 Difference]: Finished difference Result 5526 states and 10764 transitions. [2020-10-27 02:13:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-10-27 02:13:37,533 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 165 [2020-10-27 02:13:37,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:13:37,649 INFO L225 Difference]: With dead ends: 5526 [2020-10-27 02:13:37,650 INFO L226 Difference]: Without dead ends: 4838 [2020-10-27 02:13:37,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5765 ImplicationChecksByTransitivity, 54.1s TimeCoverageRelationStatistics Valid=2138, Invalid=13362, Unknown=0, NotChecked=0, Total=15500 [2020-10-27 02:13:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2020-10-27 02:13:39,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 2856. [2020-10-27 02:13:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2856 states. [2020-10-27 02:13:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4662 transitions. [2020-10-27 02:13:39,090 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 4662 transitions. Word has length 165 [2020-10-27 02:13:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:13:39,091 INFO L481 AbstractCegarLoop]: Abstraction has 2856 states and 4662 transitions. [2020-10-27 02:13:39,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 02:13:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 4662 transitions. [2020-10-27 02:13:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 02:13:39,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:39,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:13:39,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:13:39,112 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:13:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:39,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1609677997, now seen corresponding path program 1 times [2020-10-27 02:13:39,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:39,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511560125] [2020-10-27 02:13:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking...