/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:20:01,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:20:01,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:20:01,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:20:01,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:20:01,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:20:01,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:20:01,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:20:01,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:20:01,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:20:01,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:20:01,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:20:01,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:20:01,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:20:01,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:20:01,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:20:01,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:20:01,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:20:01,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:20:01,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:20:01,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:20:01,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:20:01,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:20:01,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:20:01,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:20:01,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:20:01,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:20:01,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:20:01,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:20:01,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:20:01,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:20:01,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:20:01,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:20:01,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:20:01,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:20:01,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:20:01,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:20:01,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:20:01,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:20:01,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:20:01,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:20:01,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:20:01,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:20:01,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:20:01,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:20:01,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:20:01,379 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:20:01,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:20:01,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:20:01,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:20:01,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:20:01,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:20:01,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:20:01,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:20:01,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:20:01,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:20:01,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:20:01,382 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:20:01,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:20:01,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:20:01,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:20:01,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:20:01,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:20:01,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:20:01,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:20:01,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:20:01,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:20:01,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:20:01,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:20:01,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:20:01,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:20:01,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:20:01,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:20:01,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:20:01,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:20:01,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:20:01,833 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:20:01,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2020-10-27 02:20:01,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f2bcbe7b/2aa7fc6764eb4c24bcf14789388e7f2f/FLAG4332dce67 [2020-10-27 02:20:02,740 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:20:02,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product28.cil.c [2020-10-27 02:20:02,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f2bcbe7b/2aa7fc6764eb4c24bcf14789388e7f2f/FLAG4332dce67 [2020-10-27 02:20:02,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f2bcbe7b/2aa7fc6764eb4c24bcf14789388e7f2f [2020-10-27 02:20:02,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:20:02,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:20:02,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:20:02,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:20:02,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:20:02,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:20:02" (1/1) ... [2020-10-27 02:20:02,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cbe528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:02, skipping insertion in model container [2020-10-27 02:20:02,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:20:02" (1/1) ... [2020-10-27 02:20:02,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:20:02,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:20:03,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:20:03,701 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:20:03,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:20:03,962 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:20:03,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03 WrapperNode [2020-10-27 02:20:03,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:20:03,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:20:03,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:20:03,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:20:04,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... [2020-10-27 02:20:04,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:20:04,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:20:04,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:20:04,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:20:04,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:20:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:20:04,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:20:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:20:04,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:20:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:20:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:20:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:20:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:20:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:20:04,306 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:20:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:20:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:20:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:20:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:20:04,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:20:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:20:04,308 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:20:04,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:20:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:20:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:20:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:20:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:20:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:20:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:20:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:20:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:20:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:20:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:20:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:20:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:20:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:20:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:20:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:20:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:20:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:20:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:20:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:20:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:20:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:20:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:20:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:20:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:20:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:20:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:20:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:20:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:20:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:20:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:20:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:20:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:20:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:20:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:20:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:20:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:20:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:20:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:20:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:20:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:20:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:20:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:20:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:20:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:20:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:20:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:20:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:20:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:20:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:20:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:20:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:20:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:20:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:20:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:20:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:20:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:20:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:20:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:20:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:20:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:20:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:20:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:20:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:20:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:20:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:20:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:20:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:20:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:20:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:20:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:20:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:20:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:20:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:20:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:20:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:20:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:20:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:20:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:20:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:20:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:20:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:20:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:20:07,014 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:20:07,014 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:20:07,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:20:07 BoogieIcfgContainer [2020-10-27 02:20:07,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:20:07,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:20:07,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:20:07,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:20:07,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:20:02" (1/3) ... [2020-10-27 02:20:07,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c3f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:20:07, skipping insertion in model container [2020-10-27 02:20:07,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:20:03" (2/3) ... [2020-10-27 02:20:07,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c3f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:20:07, skipping insertion in model container [2020-10-27 02:20:07,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:20:07" (3/3) ... [2020-10-27 02:20:07,033 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product28.cil.c [2020-10-27 02:20:07,046 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:20:07,053 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:20:07,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:20:07,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:20:07,115 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:20:07,116 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:20:07,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:20:07,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:20:07,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:20:07,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:20:07,116 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:20:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states. [2020-10-27 02:20:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 02:20:07,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:20:07,190 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 02:20:07,191 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:20:07,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:20:07,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1614911479, now seen corresponding path program 1 times [2020-10-27 02:20:07,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:20:07,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768334156] [2020-10-27 02:20:07,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:20:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:07,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:08,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:11,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:12,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:12,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:20:12,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:12,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 02:20:12,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:20:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:20:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 02:20:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:20:14,118 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:20:14,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:14,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-27 02:20:14,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:20:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:20:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:14,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:20:14,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:14,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:20:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:14,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:14,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:14,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:20:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:14,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:20:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:20:14,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:20:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:14,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:14,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:14,713 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:20:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:20:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:14,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:19,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:19,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 02:20:19,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4799 [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 02:20:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:19,783 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:20:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:20:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:19,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:19,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:19,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:20:20,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:20,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:20:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 02:20:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:20:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:20:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:20:20,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:20,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 02:20:20,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:20:20,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:20:20,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 02:20:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:20:20,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 02:20:20,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:20:20,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:20:20,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 02:20:20,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:20:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:20:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:20:20,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:20:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:20,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 02:20:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:20:20,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:20,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:20,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:20,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:20:20,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:20:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:20:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:20,912 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 02:20:20,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768334156] [2020-10-27 02:20:20,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:20:20,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 02:20:20,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630273372] [2020-10-27 02:20:20,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 02:20:20,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:20:20,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 02:20:20,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 02:20:20,940 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 10 states. [2020-10-27 02:20:23,029 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:20:23,607 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:20:25,343 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:20:27,694 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:20:29,491 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:20:32,993 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:20:51,502 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:20:52,711 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:20:53,264 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:21:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:21:13,202 INFO L93 Difference]: Finished difference Result 2525 states and 4441 transitions. [2020-10-27 02:21:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 02:21:13,205 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 86 [2020-10-27 02:21:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:21:13,266 INFO L225 Difference]: With dead ends: 2525 [2020-10-27 02:21:13,266 INFO L226 Difference]: Without dead ends: 1927 [2020-10-27 02:21:13,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2020-10-27 02:21:13,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2020-10-27 02:21:13,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1147. [2020-10-27 02:21:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-10-27 02:21:13,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1850 transitions. [2020-10-27 02:21:13,830 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1850 transitions. Word has length 86 [2020-10-27 02:21:13,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:21:13,832 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1850 transitions. [2020-10-27 02:21:13,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 02:21:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1850 transitions. [2020-10-27 02:21:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 02:21:13,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:21:13,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:21:13,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:21:13,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:21:13,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:21:13,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1122152164, now seen corresponding path program 1 times [2020-10-27 02:21:13,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:21:13,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645155802] [2020-10-27 02:21:13,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:21:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:14,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:14,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:21:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:21:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 02:21:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,316 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:21:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:21:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:21:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:21:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:21:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:21:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:21:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:21:20,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:21:20,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:21:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:20,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:21:20,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:21:20,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:21:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:21:20,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:21:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:20,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:20,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:20,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:21:20,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:21:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:20,749 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:21:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:21:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:20,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:20,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:21,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:21,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:25,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:25,932 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:21:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:21:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:25,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:25,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:25,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:25,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:26,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:21:26,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:21:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-27 02:21:26,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:21:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:21:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:26,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:26,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:26,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:21:26,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:21:26,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:21:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:21:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:21:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:21:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:26,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:21:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:21:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 02:21:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:21:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:21:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:21:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:21:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:26,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:26,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:21:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:21:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:21:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:26,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:21:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:26,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:26,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:27,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:31,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:31,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 02:21:31,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:21:31,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:21:31,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:21:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 02:21:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 02:21:31,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:31,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:31,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:34,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:36,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:36,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 02:21:36,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:21:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 02:21:36,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:21:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:21:36,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 02:21:36,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:36,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:36,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:21:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:21:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:37,036 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:21:37,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:21:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:37,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:37,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:21:38,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:21:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-27 02:21:38,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:21:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:21:38,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 02:21:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:21:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:21:38,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:21:38,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:21:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:21:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:21:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:38,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:21:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:21:38,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:21:38,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:21:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:21:38,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:21:38,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:21:38,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:21:38,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:21:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:21:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:21:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:21:38,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:21:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 02:21:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:21:38,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:21:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:21:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:21:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:21:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:21:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:21:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:21:38,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:21:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:21:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 02:21:38,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645155802] [2020-10-27 02:21:38,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:21:38,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 02:21:38,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444934959] [2020-10-27 02:21:38,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:21:38,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:21:38,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:21:38,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:21:38,562 INFO L87 Difference]: Start difference. First operand 1147 states and 1850 transitions. Second operand 20 states. [2020-10-27 02:21:41,829 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:21:42,374 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:21:43,688 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:21:44,927 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:21:46,358 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:21:49,285 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:21:50,559 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:21:51,812 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:21:52,134 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 02:21:52,445 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 02:21:53,663 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:21:54,883 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:21:55,128 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 02:21:56,305 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 02:22:02,644 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:22:03,532 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:22:03,945 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 02:22:04,176 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 02:22:06,097 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:22:06,572 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:22:06,867 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:22:07,055 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 02:22:07,253 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:22:07,455 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:22:12,180 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:22:13,439 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:22:20,753 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 02:22:26,400 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:22:26,597 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:22:26,868 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:22:27,547 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:22:27,769 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:22:28,403 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:22:31,932 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:22:32,165 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:22:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:22:35,412 INFO L93 Difference]: Finished difference Result 3707 states and 6813 transitions. [2020-10-27 02:22:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-27 02:22:35,413 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 146 [2020-10-27 02:22:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:22:35,437 INFO L225 Difference]: With dead ends: 3707 [2020-10-27 02:22:35,437 INFO L226 Difference]: Without dead ends: 2592 [2020-10-27 02:22:35,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2464 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=1260, Invalid=6050, Unknown=0, NotChecked=0, Total=7310 [2020-10-27 02:22:35,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2020-10-27 02:22:35,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 1499. [2020-10-27 02:22:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2020-10-27 02:22:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2366 transitions. [2020-10-27 02:22:35,999 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2366 transitions. Word has length 146 [2020-10-27 02:22:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:22:36,000 INFO L481 AbstractCegarLoop]: Abstraction has 1499 states and 2366 transitions. [2020-10-27 02:22:36,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 02:22:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2366 transitions. [2020-10-27 02:22:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 02:22:36,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:22:36,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:22:36,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:22:36,007 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:22:36,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:22:36,008 INFO L82 PathProgramCache]: Analyzing trace with hash -759413576, now seen corresponding path program 1 times [2020-10-27 02:22:36,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:22:36,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887318235] [2020-10-27 02:22:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:22:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:36,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:36,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:39,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 02:22:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,416 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:22:42,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:22:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:22:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:22:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:42,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:22:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:22:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:42,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:22:42,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:22:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:42,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:22:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:22:42,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:22:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:22:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:22:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:42,885 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:22:42,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:22:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:42,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:42,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:47,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:47,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 02:22:47,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:22:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 02:22:47,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:22:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:22:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:48,056 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:22:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:22:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:22:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:22:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:48,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:48,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:48,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:22:48,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:22:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:22:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:48,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:22:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:22:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:22:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:22:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:48,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:22:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:48,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:22:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:48,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:22:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:48,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4850 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:22:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:22:53,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:53,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:53,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:56,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3347 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:22:56,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:56,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:56,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:56,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,078 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 02:22:57,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:22:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:22:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:22:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-27 02:22:57,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:22:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:22:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:22:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:22:57,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 02:22:57,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:22:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:22:57,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:22:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:22:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:22:57,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:22:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:22:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:22:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:22:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:22:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:22:57,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:22:57,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:22:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:22:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:57,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:22:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:57,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:22:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:22:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 02:22:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:22:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:22:57,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:22:57,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:57,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:22:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:22:57,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:22:57,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:22:57,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:22:57,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:22:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:22:57,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:22:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:22:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:22:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:22:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:22:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 02:22:58,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887318235] [2020-10-27 02:22:58,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:22:58,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 02:22:58,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383663004] [2020-10-27 02:22:58,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 02:22:58,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:22:58,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 02:22:58,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2020-10-27 02:22:58,092 INFO L87 Difference]: Start difference. First operand 1499 states and 2366 transitions. Second operand 23 states. [2020-10-27 02:23:02,000 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 02:23:02,565 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:23:03,909 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:23:05,182 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:23:06,631 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:23:09,172 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:23:10,563 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:23:11,806 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:23:13,401 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:23:13,853 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:23:19,971 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 02:23:20,641 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:23:22,364 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:23:23,689 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:23:26,459 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:23:29,178 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:23:30,032 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:23:32,010 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:23:33,403 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:23:34,568 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:23:34,828 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:23:36,854 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:23:38,133 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 02:23:39,619 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 426