/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:55:55,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:55:55,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:55:55,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:55:55,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:55:55,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:55:55,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:55:55,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:55:55,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:55:55,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:55:55,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:55:55,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:55:55,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:55:55,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:55:55,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:55:55,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:55:55,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:55:55,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:55:55,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:55:55,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:55:55,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:55:55,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:55:55,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:55:55,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:55:55,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:55:55,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:55:55,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:55:55,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:55:55,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:55:55,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:55:55,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:55:55,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:55:55,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:55:55,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:55:55,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:55:55,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:55:55,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:55:55,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:55:55,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:55:55,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:55:55,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:55:55,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:55:55,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:55:55,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:55:55,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:55:55,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:55:55,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:55:55,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:55:55,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:55:55,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:55:55,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:55:55,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:55:55,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:55:55,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:55:55,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:55:55,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:55:55,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:55:55,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:55:55,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:55:55,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:55:55,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:55:55,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:55:55,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:55:55,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:55:55,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:55:55,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:55:55,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:55:55,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:55:55,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:55:55,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:55:55,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:55:55,782 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:55:55,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2020-10-27 20:55:55,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1701ea79/07230bb70e2f43ea9c0d7fb706d984c7/FLAGc5c2aad79 [2020-10-27 20:55:56,744 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:55:56,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product24.cil.c [2020-10-27 20:55:56,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1701ea79/07230bb70e2f43ea9c0d7fb706d984c7/FLAGc5c2aad79 [2020-10-27 20:55:56,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1701ea79/07230bb70e2f43ea9c0d7fb706d984c7 [2020-10-27 20:55:56,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:55:56,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:55:56,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:56,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:55:56,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:55:56,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:56" (1/1) ... [2020-10-27 20:55:56,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bc903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:56, skipping insertion in model container [2020-10-27 20:55:56,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:56" (1/1) ... [2020-10-27 20:55:56,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:55:57,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:55:57,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:57,648 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:55:57,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:55:57,899 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:55:57,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57 WrapperNode [2020-10-27 20:55:57,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:55:57,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:55:57,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:55:57,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:55:57,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:57,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:57,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:57,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:58,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:58,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:58,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... [2020-10-27 20:55:58,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:55:58,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:55:58,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:55:58,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:55:58,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:55:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:55:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:55:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:55:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:55:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:55:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:55:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:55:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:55:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:55:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:55:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:55:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:55:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:55:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:55:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:55:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:55:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:55:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:55:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:55:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:55:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:55:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:55:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:55:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:55:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:55:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:55:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:55:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:55:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:55:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:55:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:55:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:55:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:55:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:55:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:55:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:55:58,238 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:55:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:55:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:55:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:55:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:55:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:55:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:55:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:55:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:55:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:55:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:55:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:55:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:55:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:55:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:55:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:55:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:55:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:55:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:55:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:55:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:55:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:55:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 20:55:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:55:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:55:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:55:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:55:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:55:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:55:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:55:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:55:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:55:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:55:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:55:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:55:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:55:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:55:58,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 20:55:58,258 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:55:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:55:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:55:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 20:55:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 20:55:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:55:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:55:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:55:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:55:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:55:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:55:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:55:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:55:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:55:58,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:55:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:55:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:55:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:55:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:55:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:55:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:55:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:55:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:56:02,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:56:02,901 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:56:02,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:56:02 BoogieIcfgContainer [2020-10-27 20:56:02,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:56:02,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:56:02,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:56:02,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:56:02,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:55:56" (1/3) ... [2020-10-27 20:56:02,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b931377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:56:02, skipping insertion in model container [2020-10-27 20:56:02,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:57" (2/3) ... [2020-10-27 20:56:02,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b931377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:56:02, skipping insertion in model container [2020-10-27 20:56:02,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:56:02" (3/3) ... [2020-10-27 20:56:02,913 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product24.cil.c [2020-10-27 20:56:02,926 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:56:02,931 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:56:02,945 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:56:02,981 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:56:02,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:56:02,981 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:56:02,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:56:02,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:56:02,981 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:56:02,981 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:56:02,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:56:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states. [2020-10-27 20:56:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 20:56:03,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:56:03,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:56:03,032 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:56:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:56:03,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1406270292, now seen corresponding path program 1 times [2020-10-27 20:56:03,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:56:03,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351342175] [2020-10-27 20:56:03,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:56:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:03,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:03,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:06,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:07,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:08,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:08,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:56:08,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:56:08,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 20:56:08,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 20:56:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:56:10,020 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:10,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 20:56:10,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:56:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:10,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:56:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:56:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:56:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,315 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-27 20:56:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:56:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:10,581 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:56:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:56:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:10,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:12,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 20:56:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:12,312 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:56:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:12,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:12,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 20:56:13,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:56:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:56:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:56:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:56:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:56:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:13,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 20:56:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:56:13,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 20:56:13,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 20:56:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 20:56:13,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:56:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:56:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:56:13,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:13,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:13,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:13,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:13,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:56:13,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351342175] [2020-10-27 20:56:13,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:56:13,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:56:13,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518019575] [2020-10-27 20:56:13,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:56:13,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:56:13,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:56:13,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:56:13,486 INFO L87 Difference]: Start difference. First operand 821 states. Second operand 11 states. [2020-10-27 20:56:16,710 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:56:17,926 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:56:19,321 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:56:21,053 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:56:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:56:40,808 INFO L93 Difference]: Finished difference Result 1744 states and 2999 transitions. [2020-10-27 20:56:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:56:40,810 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-27 20:56:40,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:56:40,852 INFO L225 Difference]: With dead ends: 1744 [2020-10-27 20:56:40,852 INFO L226 Difference]: Without dead ends: 1089 [2020-10-27 20:56:40,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:56:40,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-27 20:56:41,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 651. [2020-10-27 20:56:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-27 20:56:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1025 transitions. [2020-10-27 20:56:41,266 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1025 transitions. Word has length 86 [2020-10-27 20:56:41,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:56:41,267 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1025 transitions. [2020-10-27 20:56:41,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:56:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1025 transitions. [2020-10-27 20:56:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 20:56:41,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:56:41,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:56:41,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:56:41,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:56:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:56:41,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1824258602, now seen corresponding path program 1 times [2020-10-27 20:56:41,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:56:41,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573240730] [2020-10-27 20:56:41,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:56:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:41,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:41,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:41,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:44,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:46,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:46,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:46,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:56:46,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:56:46,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5129 [2020-10-27 20:56:46,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 20:56:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:46,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,811 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:56:47,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:47,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 20:56:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:56:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:56:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:47,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:56:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:56:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:47,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:56:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:47,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:47,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:47,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:56:47,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:56:48,193 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:56:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:56:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:48,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:48,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1198 [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:56:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:49,549 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:56:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:56:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:49,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:49,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 20:56:50,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:56:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-27 20:56:50,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:56:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:50,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:56:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:56:50,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:56:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:56:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:56:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:56:50,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:56:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:56:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:56:50,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:56:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:56:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:56:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:56:50,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:56:50,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:50,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:56:50,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:50,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:56:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:56:50,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:50,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:50,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:56:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:56:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:56:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:56:50,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:56:50,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:56:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:56:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:56:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:56:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:56:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:56:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:56:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:56:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:56:50,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573240730] [2020-10-27 20:56:50,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:56:50,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:56:50,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74996648] [2020-10-27 20:56:50,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:56:50,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:56:50,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:56:50,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:56:50,403 INFO L87 Difference]: Start difference. First operand 651 states and 1025 transitions. Second operand 11 states. [2020-10-27 20:56:53,235 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:56:54,488 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:56:55,860 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:56:57,395 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:57:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:57:24,025 INFO L93 Difference]: Finished difference Result 1708 states and 2917 transitions. [2020-10-27 20:57:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:57:24,027 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-27 20:57:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:57:24,038 INFO L225 Difference]: With dead ends: 1708 [2020-10-27 20:57:24,039 INFO L226 Difference]: Without dead ends: 1089 [2020-10-27 20:57:24,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:57:24,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-27 20:57:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 651. [2020-10-27 20:57:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-27 20:57:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1019 transitions. [2020-10-27 20:57:24,235 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1019 transitions. Word has length 90 [2020-10-27 20:57:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:57:24,236 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1019 transitions. [2020-10-27 20:57:24,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:57:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1019 transitions. [2020-10-27 20:57:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 20:57:24,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:57:24,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:57:24,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:57:24,239 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:57:24,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:57:24,239 INFO L82 PathProgramCache]: Analyzing trace with hash 879518816, now seen corresponding path program 1 times [2020-10-27 20:57:24,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:57:24,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542588010] [2020-10-27 20:57:24,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:57:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:24,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:24,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:24,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:24,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:29,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 20:57:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:57:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:57:29,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 20:57:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:57:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,494 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:57:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:57:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:30,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:30,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:57:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:57:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:57:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:57:30,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:57:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:30,849 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:57:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:57:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:30,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:57:31,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:57:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,061 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:57:32,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:57:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:57:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:57:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:57:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:57:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 20:57:32,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:57:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:57:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:57:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:57:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:57:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:57:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:57:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 20:57:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:57:32,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:57:32,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:57:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:57:32,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:57:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:57:32,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:57:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:57:32,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:57:32,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:57:32,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:57:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:57:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:57:32,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:57:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:57:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:57:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:57:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:57:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:57:32,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542588010] [2020-10-27 20:57:32,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:57:32,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:57:32,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039501128] [2020-10-27 20:57:32,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:57:32,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:57:32,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:57:32,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:57:32,679 INFO L87 Difference]: Start difference. First operand 651 states and 1019 transitions. Second operand 11 states. [2020-10-27 20:57:35,652 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:57:36,858 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:57:38,193 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:57:39,468 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:57:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:57:59,815 INFO L93 Difference]: Finished difference Result 1708 states and 2906 transitions. [2020-10-27 20:57:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:57:59,816 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-10-27 20:57:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:57:59,828 INFO L225 Difference]: With dead ends: 1708 [2020-10-27 20:57:59,828 INFO L226 Difference]: Without dead ends: 1089 [2020-10-27 20:57:59,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:57:59,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-27 20:58:00,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 651. [2020-10-27 20:58:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-27 20:58:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1013 transitions. [2020-10-27 20:58:00,010 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1013 transitions. Word has length 92 [2020-10-27 20:58:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:58:00,011 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1013 transitions. [2020-10-27 20:58:00,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:58:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1013 transitions. [2020-10-27 20:58:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 20:58:00,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:58:00,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:58:00,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:58:00,013 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:58:00,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:58:00,014 INFO L82 PathProgramCache]: Analyzing trace with hash 986461121, now seen corresponding path program 1 times [2020-10-27 20:58:00,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:58:00,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302795372] [2020-10-27 20:58:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:58:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:01,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:05,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:58:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,289 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:58:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:06,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:06,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:58:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:58:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:58:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:06,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:06,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:06,661 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:58:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:58:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:06,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:07,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 20:58:07,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:58:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:07,923 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:58:07,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:07,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:58:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:58:08,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:58:08,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:58:08,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:58:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:58:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:08,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:08,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:58:08,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:58:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 20:58:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:58:08,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:58:08,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:58:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:58:08,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:58:08,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:58:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:08,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:58:08,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302795372] [2020-10-27 20:58:08,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:58:08,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:58:08,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60214188] [2020-10-27 20:58:08,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:58:08,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:58:08,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:58:08,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:58:08,544 INFO L87 Difference]: Start difference. First operand 651 states and 1013 transitions. Second operand 11 states. [2020-10-27 20:58:11,917 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:58:13,182 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:58:14,502 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:58:15,969 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:58:36,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:58:36,293 INFO L93 Difference]: Finished difference Result 1708 states and 2895 transitions. [2020-10-27 20:58:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:58:36,294 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-10-27 20:58:36,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:58:36,303 INFO L225 Difference]: With dead ends: 1708 [2020-10-27 20:58:36,303 INFO L226 Difference]: Without dead ends: 1089 [2020-10-27 20:58:36,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 20:58:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-27 20:58:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 651. [2020-10-27 20:58:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-27 20:58:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1007 transitions. [2020-10-27 20:58:36,489 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1007 transitions. Word has length 94 [2020-10-27 20:58:36,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:58:36,489 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1007 transitions. [2020-10-27 20:58:36,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:58:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1007 transitions. [2020-10-27 20:58:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 20:58:36,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:58:36,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:58:36,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:58:36,491 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:58:36,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:58:36,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1273619499, now seen corresponding path program 1 times [2020-10-27 20:58:36,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:58:36,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852543756] [2020-10-27 20:58:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:58:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:39,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:41,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,768 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:58:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:58:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:58:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:58:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:42,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:58:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:42,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:42,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:42,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:42,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:58:42,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:42,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:43,131 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:58:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:58:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:43,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:43,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:43,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1103 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:44,392 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:58:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:58:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:44,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 20:58:44,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:44,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:58:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:58:44,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 20:58:44,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:58:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:58:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:58:44,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:58:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:58:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:58:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:44,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:44,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:45,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:45,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:45,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:58:45,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:45,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:45,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:45,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:45,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:45,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:45,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:45,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:45,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:45,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:45,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:58:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:45,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:58:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:58:45,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:58:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:58:45,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:58:45,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:58:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:58:45,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:58:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:58:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:58:45,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:58:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:58:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:58:45,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852543756] [2020-10-27 20:58:45,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:58:45,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 20:58:45,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939405648] [2020-10-27 20:58:45,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 20:58:45,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:58:45,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 20:58:45,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 20:58:45,081 INFO L87 Difference]: Start difference. First operand 651 states and 1007 transitions. Second operand 12 states. [2020-10-27 20:58:47,979 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:58:49,221 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:58:50,571 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:58:52,118 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:58:53,178 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:59:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:59:14,363 INFO L93 Difference]: Finished difference Result 1713 states and 2895 transitions. [2020-10-27 20:59:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 20:59:14,364 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-27 20:59:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:59:14,374 INFO L225 Difference]: With dead ends: 1713 [2020-10-27 20:59:14,374 INFO L226 Difference]: Without dead ends: 1099 [2020-10-27 20:59:14,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:59:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2020-10-27 20:59:14,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 654. [2020-10-27 20:59:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-10-27 20:59:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1010 transitions. [2020-10-27 20:59:14,613 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1010 transitions. Word has length 95 [2020-10-27 20:59:14,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:59:14,613 INFO L481 AbstractCegarLoop]: Abstraction has 654 states and 1010 transitions. [2020-10-27 20:59:14,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 20:59:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1010 transitions. [2020-10-27 20:59:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 20:59:14,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:59:14,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:59:14,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:59:14,615 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:59:14,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:59:14,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1997996466, now seen corresponding path program 1 times [2020-10-27 20:59:14,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:59:14,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416113149] [2020-10-27 20:59:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:59:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:14,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:15,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:16,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:17,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:59:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,871 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:59:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:20,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:59:20,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:59:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:59:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:59:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:59:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:59:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:21,238 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:59:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:59:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:59:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:21,882 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 20:59:21,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:59:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:21,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:21,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:59:22,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:59:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 20:59:22,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 20:59:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:59:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:59:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:59:22,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:59:22,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 20:59:22,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:59:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:59:22,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:59:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:59:22,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:22,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:59:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:59:22,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:59:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:59:22,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:59:22,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:59:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:59:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:59:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:59:22,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416113149] [2020-10-27 20:59:22,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:59:22,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:59:22,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361918688] [2020-10-27 20:59:22,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:59:22,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:59:22,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:59:22,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:59:22,224 INFO L87 Difference]: Start difference. First operand 654 states and 1010 transitions. Second operand 9 states. [2020-10-27 20:59:24,708 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:59:25,875 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121