/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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:15:26,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:15:26,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:15:26,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:15:26,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:15:26,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:15:26,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:15:26,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:15:26,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:15:26,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:15:26,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:15:26,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:15:26,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:15:26,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:15:26,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:15:26,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:15:26,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:15:26,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:15:26,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:15:26,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:15:26,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:15:26,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:15:26,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:15:26,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:15:26,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:15:26,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:15:26,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:15:26,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:15:26,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:15:26,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:15:26,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:15:26,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:15:26,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:15:26,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:15:26,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:15:26,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:15:26,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:15:26,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:15:26,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:15:26,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:15:26,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:15:26,340 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 02:15:26,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:15:26,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:15:26,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:15:26,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:15:26,377 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:15:26,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:15:26,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:15:26,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:15:26,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:15:26,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:15:26,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:15:26,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:15:26,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:15:26,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:15:26,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:15:26,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:15:26,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:15:26,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:15:26,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:15:26,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:15:26,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:15:26,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:15:26,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:15:26,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:15:26,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:15:26,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:15:26,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:15:26,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:15:26,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:15:26,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:15:26,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:15:26,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:15:26,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:15:26,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:15:26,795 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:15:26,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2020-10-27 02:15:26,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad3f96a03/9b15e9ed31404f4ba4cb197c548c3ccb/FLAGf023360a5 [2020-10-27 02:15:27,655 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:15:27,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_productSimulator.cil.c [2020-10-27 02:15:27,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad3f96a03/9b15e9ed31404f4ba4cb197c548c3ccb/FLAGf023360a5 [2020-10-27 02:15:27,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad3f96a03/9b15e9ed31404f4ba4cb197c548c3ccb [2020-10-27 02:15:27,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:15:27,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:15:27,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:15:27,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:15:27,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:15:27,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:15:27" (1/1) ... [2020-10-27 02:15:27,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb1bec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:27, skipping insertion in model container [2020-10-27 02:15:27,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:15:27" (1/1) ... [2020-10-27 02:15:27,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:15:27,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:15:28,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:15:28,587 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:15:28,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:15:28,974 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:15:28,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28 WrapperNode [2020-10-27 02:15:28,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:15:28,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:15:28,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:15:28,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:15:28,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (1/1) ... [2020-10-27 02:15:29,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:15:29,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:15:29,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:15:29,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:15:29,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (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 02:15:29,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:15:29,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:15:29,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:15:29,244 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:15:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__before__overloaded [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked__role__overloaded [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__before__weight [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__role__weight [2020-10-27 02:15:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__weight [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__weight [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__before__empty [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__role__empty [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:15:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:15:29,248 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__before__executivefloor [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__role__executivefloor [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:15:29,249 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:15:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__before__overloaded [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__role__overloaded [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__before__overloaded [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__role__overloaded [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:15:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:15:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:15:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:15:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:15:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:15:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:15:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:15:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:15:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:15:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:15:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:15:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__before__overloaded [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked__role__overloaded [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__before__weight [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__role__weight [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__weight [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__weight [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__before__empty [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__role__empty [2020-10-27 02:15:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__twothirdsfull [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__twothirdsfull [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__before__executivefloor [2020-10-27 02:15:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__role__executivefloor [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__twothirdsfull [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__twothirdsfull [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__before__executivefloor [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__role__executivefloor [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:15:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__before__overloaded [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__role__overloaded [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure printState__before__overloaded [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure printState__role__overloaded [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:15:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:15:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:15:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:15:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:15:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:15:32,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:15:32,089 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:15:32,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:15:32 BoogieIcfgContainer [2020-10-27 02:15:32,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:15:32,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:15:32,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:15:32,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:15:32,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:15:27" (1/3) ... [2020-10-27 02:15:32,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b312fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:15:32, skipping insertion in model container [2020-10-27 02:15:32,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:15:28" (2/3) ... [2020-10-27 02:15:32,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b312fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:15:32, skipping insertion in model container [2020-10-27 02:15:32,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:15:32" (3/3) ... [2020-10-27 02:15:32,104 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_productSimulator.cil.c [2020-10-27 02:15:32,115 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:15:32,122 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:15:32,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:15:32,185 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:15:32,185 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:15:32,185 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:15:32,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:15:32,186 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:15:32,186 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:15:32,186 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:15:32,186 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:15:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states. [2020-10-27 02:15:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 02:15:32,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:15:32,270 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-27 02:15:32,270 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 02:15:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:15:32,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1718678770, now seen corresponding path program 1 times [2020-10-27 02:15:32,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:15:32,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458085991] [2020-10-27 02:15:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:15:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:33,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:33,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:35,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:37,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:37,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 02:15:37,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:15:37,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-10-27 02:15:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:15:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 02:15:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:15:39,262 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-27 02:15:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 02:15:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:39,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:15:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:39,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:39,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:15:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:39,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:15:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:39,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:15:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:39,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:15:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:15:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:15:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:15:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:39,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 02:15:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:39,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:39,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:39,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:15:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:39,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:39,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:39,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:39,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:15:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:39,940 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:15:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:15:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:40,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:40,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:45,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:15:45,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:15:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 02:15:45,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:15:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:45,248 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:15:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:45,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:46,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:46,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:46,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:15:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:15:46,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:15:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:15:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:15:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:46,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:15:46,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:46,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:46,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:46,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:46,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:46,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 894 [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:15:47,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:47,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:47,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:15:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:15:47,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:15:47,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:15:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:15:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:15:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:15:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:15:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 02:15:47,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 02:15:47,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 02:15:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 02:15:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 02:15:47,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,735 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:15:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:15:47,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:15:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:47,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:47,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:47,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:47,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 02:15:47,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458085991] [2020-10-27 02:15:47,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:15:47,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 02:15:47,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720741380] [2020-10-27 02:15:48,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 02:15:48,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:15:48,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 02:15:48,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-10-27 02:15:48,014 INFO L87 Difference]: Start difference. First operand 931 states. Second operand 22 states. [2020-10-27 02:15:49,213 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 02:15:49,588 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:15:51,524 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:15:52,922 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-27 02:15:53,298 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-27 02:15:53,616 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-27 02:15:54,091 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 02:15:55,614 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:15:56,960 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-27 02:15:58,544 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:16:01,749 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 02:16:03,223 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 02:16:31,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:16:31,476 INFO L93 Difference]: Finished difference Result 1822 states and 2999 transitions. [2020-10-27 02:16:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 02:16:31,481 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 151 [2020-10-27 02:16:31,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:16:31,523 INFO L225 Difference]: With dead ends: 1822 [2020-10-27 02:16:31,523 INFO L226 Difference]: Without dead ends: 1059 [2020-10-27 02:16:31,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=316, Invalid=1490, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 02:16:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-27 02:16:31,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 762. [2020-10-27 02:16:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-27 02:16:31,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1169 transitions. [2020-10-27 02:16:31,970 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1169 transitions. Word has length 151 [2020-10-27 02:16:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:16:31,971 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1169 transitions. [2020-10-27 02:16:31,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 02:16:31,971 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1169 transitions. [2020-10-27 02:16:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 02:16:31,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:16:31,976 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-27 02:16:31,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:16:31,977 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 02:16:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:16:31,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1252564638, now seen corresponding path program 1 times [2020-10-27 02:16:31,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:16:31,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804648782] [2020-10-27 02:16:31,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:16:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:32,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:32,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:32,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:33,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:34,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:37,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 02:16:37,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,462 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-27 02:16:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:16:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:16:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:16:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:16:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:16:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:16:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:16:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:16:38,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:16:38,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:16:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 02:16:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:38,977 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:16:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 02:16:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:43,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:44,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:16:44,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:44,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,201 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:16:44,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:16:44,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:44,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:16:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:16:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:16:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:44,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:44,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:16:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:16:45,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:16:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-27 02:16:45,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:16:45,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:45,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:16:45,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:45,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:16:45,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:16:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:16:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:16:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:16:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 02:16:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,967 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:16:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:16:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:16:45,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:45,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:45,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 02:16:46,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804648782] [2020-10-27 02:16:46,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:16:46,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 02:16:46,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537342970] [2020-10-27 02:16:46,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:16:46,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:16:46,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:16:46,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:16:46,151 INFO L87 Difference]: Start difference. First operand 762 states and 1169 transitions. Second operand 18 states. [2020-10-27 02:16:47,212 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 02:16:47,566 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:16:48,473 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 02:16:49,853 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:16:51,160 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-27 02:16:52,608 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:16:55,679 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 02:16:56,587 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 02:17:23,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:17:23,658 INFO L93 Difference]: Finished difference Result 1779 states and 2907 transitions. [2020-10-27 02:17:23,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 02:17:23,660 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 158 [2020-10-27 02:17:23,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:17:23,672 INFO L225 Difference]: With dead ends: 1779 [2020-10-27 02:17:23,672 INFO L226 Difference]: Without dead ends: 1059 [2020-10-27 02:17:23,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 02:17:23,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-27 02:17:23,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 762. [2020-10-27 02:17:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-27 02:17:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1163 transitions. [2020-10-27 02:17:23,964 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1163 transitions. Word has length 158 [2020-10-27 02:17:23,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:17:23,965 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1163 transitions. [2020-10-27 02:17:23,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 02:17:23,965 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1163 transitions. [2020-10-27 02:17:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-27 02:17:23,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:23,973 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-10-27 02:17:23,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:17:23,973 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:17:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:23,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1398008516, now seen corresponding path program 1 times [2020-10-27 02:17:23,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:23,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196639311] [2020-10-27 02:17:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:17:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:24,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:25,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-27 02:17:29,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:17:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 02:17:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 02:17:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,641 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-27 02:17:30,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:17:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:17:30,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:30,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:17:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:17:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:30,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:17:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:30,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:17:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:17:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:30,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 02:17:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:30,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:30,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:30,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:31,056 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:17:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 02:17:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:36,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:36,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:36,341 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:17:36,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:36,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:36,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:36,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 809 [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:17:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:17:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:37,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:17:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:17:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:17:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:37,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:37,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:17:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:37,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:37,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:37,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:17:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:17:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:17:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:37,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:37,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:17:38,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:17:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:17:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:17:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:38,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:17:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 02:17:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 02:17:38,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:17:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,438 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:17:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:38,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:38,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:38,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:17:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:38,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:38,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:38,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:38,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:38,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:38,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 02:17:38,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196639311] [2020-10-27 02:17:38,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:17:38,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 02:17:38,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214705337] [2020-10-27 02:17:38,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 02:17:38,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 02:17:38,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:17:38,686 INFO L87 Difference]: Start difference. First operand 762 states and 1163 transitions. Second operand 19 states. [2020-10-27 02:17:41,256 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 02:17:41,619 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:17:42,617 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 02:17:44,067 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:17:45,438 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 446 [2020-10-27 02:17:46,910 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-27 02:17:48,251 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 447 [2020-10-27 02:17:52,458 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:17:53,790 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-27 02:17:55,490 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:17:56,796 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 443 [2020-10-27 02:17:58,094 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:17:59,446 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 447 [2020-10-27 02:18:00,802 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 449 [2020-10-27 02:18:02,395 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-27 02:18:10,260 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 02:18:10,605 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-27 02:18:18,053 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 02:18:18,391 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 02:18:34,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:18:34,521 INFO L93 Difference]: Finished difference Result 1828 states and 2970 transitions. [2020-10-27 02:18:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-27 02:18:34,522 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 162 [2020-10-27 02:18:34,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:18:34,534 INFO L225 Difference]: With dead ends: 1828 [2020-10-27 02:18:34,534 INFO L226 Difference]: Without dead ends: 1107 [2020-10-27 02:18:34,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=600, Invalid=2480, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 02:18:34,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-27 02:18:34,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 789. [2020-10-27 02:18:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-27 02:18:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1192 transitions. [2020-10-27 02:18:34,830 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1192 transitions. Word has length 162 [2020-10-27 02:18:34,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:18:34,831 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1192 transitions. [2020-10-27 02:18:34,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 02:18:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1192 transitions. [2020-10-27 02:18:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 02:18:34,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:18:34,834 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:18:34,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:18:34,835 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 02:18:34,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:18:34,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1300930517, now seen corresponding path program 1 times [2020-10-27 02:18:34,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:18:34,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84821568] [2020-10-27 02:18:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:18:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:39,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:39,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 02:18:39,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:18:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 02:18:39,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 02:18:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,231 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-27 02:18:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:18:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 02:18:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 02:18:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:18:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:18:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:18:41,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:41,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:18:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 02:18:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:41,726 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:18:41,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 02:18:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:41,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:41,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:42,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:42,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:18:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:46,942 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:18:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:18:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:46,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:47,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 02:18:47,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:18:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-27 02:18:47,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:18:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:18:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 02:18:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:18:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:47,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:18:47,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:18:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:18:47,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:18:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:47,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:18:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:47,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:47,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 02:18:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:47,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 02:18:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:18:48,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:18:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:18:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 02:18:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:18:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:18:48,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:18:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 02:18:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,940 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:18:48,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:18:48,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:18:48,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:18:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:48,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:18:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:18:48,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:18:48,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:18:48,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:18:48,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:18:48,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:18:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 02:18:49,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84821568] [2020-10-27 02:18:49,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:18:49,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 02:18:49,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707325345] [2020-10-27 02:18:49,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 02:18:49,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:18:49,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 02:18:49,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:18:49,093 INFO L87 Difference]: Start difference. First operand 789 states and 1192 transitions. Second operand 19 states. [2020-10-27 02:18:50,089 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 02:18:50,447 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 02:18:51,417 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 02:18:52,834 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:18:54,179 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-27 02:18:55,534 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 444 [2020-10-27 02:18:56,977 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-27 02:18:58,387 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 447 [2020-10-27 02:19:00,736 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-27 02:19:03,018 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:19:04,370 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-27 02:19:05,280 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 142