/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:13:42,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:13:42,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:13:42,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:13:42,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:13:42,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:13:42,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:13:42,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:13:42,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:13:42,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:13:42,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:13:42,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:13:42,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:13:42,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:13:42,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:13:42,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:13:42,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:13:42,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:13:42,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:13:42,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:13:42,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:13:42,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:13:42,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:13:42,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:13:42,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:13:42,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:13:42,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:13:42,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:13:42,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:13:42,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:13:42,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:13:42,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:13:42,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:13:42,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:13:42,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:13:42,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:13:42,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:13:42,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:13:42,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:13:42,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:13:42,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:13:42,274 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 02:13:42,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:13:42,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:13:42,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:13:42,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:13:42,332 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:13:42,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:13:42,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:13:42,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:13:42,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:13:42,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:13:42,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:13:42,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:13:42,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:13:42,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:13:42,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:13:42,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:13:42,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:13:42,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:13:42,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:13:42,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:13:42,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:13:42,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:13:42,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:13:42,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:13:42,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:13:42,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:13:42,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:13:42,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:13:42,876 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:13:42,877 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:13:42,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c [2020-10-27 02:13:42,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200829413/d527d4257f734e058514dbc816bd0ab0/FLAGb191ad900 [2020-10-27 02:13:43,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:13:43,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product28.cil.c [2020-10-27 02:13:43,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200829413/d527d4257f734e058514dbc816bd0ab0/FLAGb191ad900 [2020-10-27 02:13:43,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200829413/d527d4257f734e058514dbc816bd0ab0 [2020-10-27 02:13:43,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:13:43,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:13:43,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:13:43,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:13:43,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:13:43,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:13:43" (1/1) ... [2020-10-27 02:13:43,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156308bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:43, skipping insertion in model container [2020-10-27 02:13:43,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:13:43" (1/1) ... [2020-10-27 02:13:44,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:13:44,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:13:44,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:13:44,870 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:13:45,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:13:45,125 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:13:45,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45 WrapperNode [2020-10-27 02:13:45,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:13:45,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:13:45,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:13:45,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:13:45,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (1/1) ... [2020-10-27 02:13:45,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:13:45,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:13:45,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:13:45,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:13:45,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (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 02:13:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:13:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:13:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:13:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:13:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:13:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:13:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:13:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:13:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:13:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:13:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:13:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:13:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:13:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:13:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:13:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:13:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:13:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:13:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:13:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:13:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:13:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:13:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:13:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 02:13:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:13:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:13:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:13:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:13:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:13:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:13:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:13:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:13:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:13:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:13:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:13:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:13:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:13:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:13:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:13:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:13:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:13:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:13:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:13:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:13:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:13:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:13:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:13:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:13:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:13:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:13:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:13:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:13:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:13:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 02:13:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 02:13:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:13:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:13:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:13:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:13:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:13:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:13:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:13:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:13:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:13:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:13:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:13:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:13:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:13:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:13:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:13:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:13:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:13:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:13:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:13:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:13:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:13:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:13:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:13:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:13:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:13:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:13:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:13:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:13:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:13:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:13:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-27 02:13:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:13:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:13:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:13:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:13:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:13:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:13:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:13:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:13:48,982 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:13:48,982 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:13:48,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:13:48 BoogieIcfgContainer [2020-10-27 02:13:48,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:13:49,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:13:49,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:13:49,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:13:49,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:13:43" (1/3) ... [2020-10-27 02:13:49,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d0bd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:13:49, skipping insertion in model container [2020-10-27 02:13:49,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:13:45" (2/3) ... [2020-10-27 02:13:49,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d0bd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:13:49, skipping insertion in model container [2020-10-27 02:13:49,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:13:48" (3/3) ... [2020-10-27 02:13:49,023 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product28.cil.c [2020-10-27 02:13:49,035 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:13:49,042 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:13:49,056 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:13:49,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:13:49,095 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:13:49,095 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:13:49,095 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:13:49,095 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:13:49,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:13:49,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:13:49,096 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:13:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states. [2020-10-27 02:13:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 02:13:49,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:13:49,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:13:49,155 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 02:13:49,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:13:49,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1990994719, now seen corresponding path program 1 times [2020-10-27 02:13:49,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:13:49,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324694793] [2020-10-27 02:13:49,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:13:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:50,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:50,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:51,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:51,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:54,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:54,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 02:13:54,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:13:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:13:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:13:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:13:56,937 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:13:56,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:13:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:56,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 02:13:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:57,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:13:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:57,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:57,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:13:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:57,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:57,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:57,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:13:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:13:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:13:57,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:13:57,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:13:57,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:13:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:13:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:13:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:13:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:13:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:13:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:13:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:13:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:13:57,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:13:57,637 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:13:57,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:13:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:13:57,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:57,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:58,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:13:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:02,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 02:14:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:14:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 02:14:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:14:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:03,004 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:14:03,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:03,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:03,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:03,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:03,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:14:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:14:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-27 02:14:03,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:03,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:04,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:04,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:04,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:04,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:04,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:04,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:04,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:04,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:04,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:14:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:04,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:04,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:14:04,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:04,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 02:14:04,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:14:04,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:04,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:14:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:04,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:04,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:14:04,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:04,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:04,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:04,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:04,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:04,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:04,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:04,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:04,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:04,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:04,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:04,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:04,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 02:14:05,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:14:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-27 02:14:05,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:14:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:14:05,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:05,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:05,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:14:05,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:14:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 02:14:05,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 02:14:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:14:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:14:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:14:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:14:05,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:14:05,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:14:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:14:05,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:14:05,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:05,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 02:14:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 02:14:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:14:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 02:14:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 02:14:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:14:05,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:14:05,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:05,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:05,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:14:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:14:05,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:14:05,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:14:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:05,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:05,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:05,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:05,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:05,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 02:14:05,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324694793] [2020-10-27 02:14:05,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:14:05,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 02:14:05,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825997451] [2020-10-27 02:14:05,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 02:14:05,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:14:05,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 02:14:05,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 02:14:05,429 INFO L87 Difference]: Start difference. First operand 807 states. Second operand 11 states. [2020-10-27 02:14:09,300 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:11,574 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:14:14,059 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:14:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:14:51,355 INFO L93 Difference]: Finished difference Result 1561 states and 2607 transitions. [2020-10-27 02:14:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:14:51,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2020-10-27 02:14:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:14:51,403 INFO L225 Difference]: With dead ends: 1561 [2020-10-27 02:14:51,404 INFO L226 Difference]: Without dead ends: 913 [2020-10-27 02:14:51,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 02:14:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-10-27 02:14:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 643. [2020-10-27 02:14:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-27 02:14:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1014 transitions. [2020-10-27 02:14:51,778 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1014 transitions. Word has length 117 [2020-10-27 02:14:51,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:14:51,779 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1014 transitions. [2020-10-27 02:14:51,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 02:14:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1014 transitions. [2020-10-27 02:14:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 02:14:51,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:14:51,786 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:14:51,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:14:51,787 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 02:14:51,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:14:51,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1851294062, now seen corresponding path program 1 times [2020-10-27 02:14:51,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:14:51,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625040608] [2020-10-27 02:14:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:14:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:51,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:52,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:56,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:56,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 02:14:56,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:14:56,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 02:14:56,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:14:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:14:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:14:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,104 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:14:59,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:14:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:59,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 02:14:59,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:14:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:59,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:14:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:59,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:59,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:14:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:14:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:14:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:14:59,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:14:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:14:59,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:14:59,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:14:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:14:59,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:14:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:14:59,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:14:59,701 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:14:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:14:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:14:59,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:14:59,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:00,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:03,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:03,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:03,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:04,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:04,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:15:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,056 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:15:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:05,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:05,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:15:05,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:15:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:05,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:15:05,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:15:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:05,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:05,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:15:05,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 02:15:05,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:05,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:15:05,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:15:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:05,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:05,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:05,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:05,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 02:15:05,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:05,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:05,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:05,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:05,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:05,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:05,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:05,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:05,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 02:15:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 02:15:06,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-27 02:15:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:15:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:15:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:15:06,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:15:06,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:06,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:15:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 02:15:06,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:15:06,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:15:06,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:06,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:15:06,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 02:15:06,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:15:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:15:06,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:15:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:15:06,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:06,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 02:15:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:15:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:15:06,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:15:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:15:06,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:15:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:15:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:15:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:15:06,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:15:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:15:07,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625040608] [2020-10-27 02:15:07,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:15:07,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 02:15:07,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703616081] [2020-10-27 02:15:07,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 02:15:07,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:15:07,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 02:15:07,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-27 02:15:07,113 INFO L87 Difference]: Start difference. First operand 643 states and 1014 transitions. Second operand 13 states. [2020-10-27 02:15:12,013 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:14,488 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:15:17,181 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:15:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:15:49,074 INFO L93 Difference]: Finished difference Result 1535 states and 2541 transitions. [2020-10-27 02:15:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:15:49,075 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-27 02:15:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:15:49,087 INFO L225 Difference]: With dead ends: 1535 [2020-10-27 02:15:49,088 INFO L226 Difference]: Without dead ends: 913 [2020-10-27 02:15:49,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-27 02:15:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-10-27 02:15:49,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 643. [2020-10-27 02:15:49,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-27 02:15:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1008 transitions. [2020-10-27 02:15:49,321 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1008 transitions. Word has length 123 [2020-10-27 02:15:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:15:49,322 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1008 transitions. [2020-10-27 02:15:49,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 02:15:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1008 transitions. [2020-10-27 02:15:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 02:15:49,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:15:49,326 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:15:49,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:15:49,326 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 02:15:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:15:49,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1205022160, now seen corresponding path program 1 times [2020-10-27 02:15:49,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:15:49,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000459168] [2020-10-27 02:15:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:15:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:49,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:49,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:50,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:54,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:15:54,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:15:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:15:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:56,872 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:15:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:15:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:56,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:56,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:15:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:56,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:56,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:56,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:56,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:15:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:56,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:56,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:56,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:56,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:56,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:15:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:56,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:56,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:56,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:15:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:56,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:15:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:57,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:15:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:15:57,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:15:57,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:15:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:15:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:15:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:15:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:15:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:15:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:15:57,475 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:15:57,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:15:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:15:57,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:57,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:57,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:57,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:59,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:59,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:15:59,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:02,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:02,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 02:16:02,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:16:02,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 02:16:02,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:16:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:16:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:02,767 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:16:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:02,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:02,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:02,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:02,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:16:03,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:16:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-27 02:16:03,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:16:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:03,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:03,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:16:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:16:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:03,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:16:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:16:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:03,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 02:16:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:03,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:03,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:03,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:03,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:16:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:03,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:03,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 02:16:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:16:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 446 [2020-10-27 02:16:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:16:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:16:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:16:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:16:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 02:16:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:16:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 02:16:04,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:16:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:16:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 02:16:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:16:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:16:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:16:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:16:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:04,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:16:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 02:16:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 02:16:04,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:04,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:16:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:16:04,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:16:04,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:04,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:04,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:04,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:16:04,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:04,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:16:04,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 02:16:05,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000459168] [2020-10-27 02:16:05,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:16:05,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 02:16:05,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106455274] [2020-10-27 02:16:05,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 02:16:05,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:16:05,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 02:16:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-27 02:16:05,049 INFO L87 Difference]: Start difference. First operand 643 states and 1008 transitions. Second operand 20 states. [2020-10-27 02:16:10,810 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:13,177 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 02:16:15,876 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 02:16:18,250 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:16:21,243 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:24,041 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:28,557 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:30,887 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 02:16:33,450 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:35,808 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 02:16:38,173 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 02:16:44,755 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:16:47,064 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 02:17:21,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:17:21,520 INFO L93 Difference]: Finished difference Result 1622 states and 2690 transitions. [2020-10-27 02:17:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 02:17:21,521 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 127 [2020-10-27 02:17:21,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:17:21,532 INFO L225 Difference]: With dead ends: 1622 [2020-10-27 02:17:21,533 INFO L226 Difference]: Without dead ends: 1009 [2020-10-27 02:17:21,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 34.6s TimeCoverageRelationStatistics Valid=340, Invalid=2110, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 02:17:21,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-10-27 02:17:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 707. [2020-10-27 02:17:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-10-27 02:17:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1109 transitions. [2020-10-27 02:17:21,745 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1109 transitions. Word has length 127 [2020-10-27 02:17:21,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:17:21,746 INFO L481 AbstractCegarLoop]: Abstraction has 707 states and 1109 transitions. [2020-10-27 02:17:21,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 02:17:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1109 transitions. [2020-10-27 02:17:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 02:17:21,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:17:21,750 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:17:21,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:17:21,750 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:17:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:17:21,751 INFO L82 PathProgramCache]: Analyzing trace with hash 596779059, now seen corresponding path program 1 times [2020-10-27 02:17:21,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:17:21,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261523758] [2020-10-27 02:17:21,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:17:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:21,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:22,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:26,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 02:17:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,098 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 02:17:29,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:17:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:17:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:17:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:17:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:29,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:17:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:17:29,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:17:29,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:17:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:29,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:29,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:29,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:29,683 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 02:17:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:17:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:29,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:31,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking...