/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:30:31,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:30:31,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:30:31,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:30:31,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:30:31,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:30:31,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:30:31,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:30:31,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:30:31,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:30:31,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:30:31,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:30:31,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:30:31,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:30:31,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:30:31,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:30:31,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:30:31,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:30:31,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:30:31,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:30:31,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:30:31,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:30:31,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:30:31,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:30:31,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:30:31,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:30:31,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:30:31,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:30:31,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:30:31,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:30:31,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:30:31,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:30:31,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:30:31,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:30:31,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:30:31,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:30:31,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:30:31,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:30:31,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:30:31,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:30:31,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:30:31,310 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 [2020-10-28 15:30:31,335 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:30:31,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:30:31,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:30:31,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:30:31,337 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:30:31,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:30:31,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:30:31,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:30:31,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:30:31,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:30:31,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:30:31,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:30:31,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:30:31,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:30:31,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:30:31,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:30:31,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:30:31,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:30:31,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:30:31,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:30:31,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:30:31,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:30:31,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:30:31,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:30:31,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:30:31,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:30:31,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:30:31,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:30:31,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:30:31,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:30:31,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:30:31,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:30:31,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:30:31,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:30:31,761 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:30:31,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product17.cil.c [2020-10-28 15:30:31,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/292f172f0/9514faab29a24292ac3927cdf1a6098a/FLAG9d5ad9b60 [2020-10-28 15:30:32,754 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:30:32,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product17.cil.c [2020-10-28 15:30:32,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/292f172f0/9514faab29a24292ac3927cdf1a6098a/FLAG9d5ad9b60 [2020-10-28 15:30:32,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/292f172f0/9514faab29a24292ac3927cdf1a6098a [2020-10-28 15:30:32,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:30:32,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:30:32,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:30:32,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:30:32,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:30:32,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:30:32" (1/1) ... [2020-10-28 15:30:32,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bc903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:32, skipping insertion in model container [2020-10-28 15:30:32,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:30:32" (1/1) ... [2020-10-28 15:30:32,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:30:33,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:30:33,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:30:33,662 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:30:33,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:30:33,957 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:30:33,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33 WrapperNode [2020-10-28 15:30:33,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:30:33,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:30:33,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:30:33,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:30:33,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:33,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (1/1) ... [2020-10-28 15:30:34,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:30:34,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:30:34,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:30:34,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:30:34,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (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 [2020-10-28 15:30:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:30:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:30:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:30:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:30:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:30:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:30:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:30:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:30:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:30:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:30:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:30:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:30:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:30:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:30:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:30:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 15:30:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:30:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:30:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:30:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:30:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:30:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:30:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:30:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:30:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:30:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:30:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:30:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 15:30:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:30:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:30:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:30:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:30:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:30:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:30:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:30:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:30:36,669 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:30:36,669 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:30:36,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:30:36 BoogieIcfgContainer [2020-10-28 15:30:36,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:30:36,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:30:36,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:30:36,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:30:36,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:30:32" (1/3) ... [2020-10-28 15:30:36,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747712a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:30:36, skipping insertion in model container [2020-10-28 15:30:36,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:30:33" (2/3) ... [2020-10-28 15:30:36,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747712a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:30:36, skipping insertion in model container [2020-10-28 15:30:36,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:30:36" (3/3) ... [2020-10-28 15:30:36,681 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product17.cil.c [2020-10-28 15:30:36,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:30:36,698 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:30:36,711 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:30:36,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:30:36,743 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:30:36,744 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:30:36,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:30:36,744 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:30:36,744 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:30:36,744 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:30:36,744 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:30:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states. [2020-10-28 15:30:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 15:30:36,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:30:36,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:30:36,824 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]=== [2020-10-28 15:30:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:30:36,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2032690181, now seen corresponding path program 1 times [2020-10-28 15:30:36,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:30:36,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035331643] [2020-10-28 15:30:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:30:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:38,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:39,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:39,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:42,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:42,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-28 15:30:42,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:30:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 15:30:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:42,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:30:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:30:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:30:43,449 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:30:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:43,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 15:30:43,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:30:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:30:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:43,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:30:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:30:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:30:43,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:43,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:30:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:43,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:43,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:43,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:43,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:43,938 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:30:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:30:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:43,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:49,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 15:30:49,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:30:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 15:30:49,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:49,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:30:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:30:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:49,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:49,198 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:30:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:30:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:49,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:49,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:50,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:30:50,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:30:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 869 [2020-10-28 15:30:50,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:50,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:50,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:30:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:30:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:30:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:50,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:30:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:50,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:50,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:50,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:30:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 15:30:50,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:50,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:30:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:30:50,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 15:30:50,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:50,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:50,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:50,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:30:50,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 15:30:50,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:50,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:30:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:30:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:50,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:50,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:50,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:50,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:30:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:30:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:50,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:50,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:51,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:30:51,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:30:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-28 15:30:51,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:51,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 15:30:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:51,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:51,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:51,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:30:51,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:51,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:51,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:51,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:51,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:51,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:30:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:30:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:30:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 15:30:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:51,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:30:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:51,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:51,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:30:51,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:51,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:30:51,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:51,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:51,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:51,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:51,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:51,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:51,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:51,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:51,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:51,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:30:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:30:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:51,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:51,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:54,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:56,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 15:30:56,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 15:30:56,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:56,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:56,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:30:58,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:30:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2532 [2020-10-28 15:30:58,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:30:58,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:58,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:30:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:30:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:30:58,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:30:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:30:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:30:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:30:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:30:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:30:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:30:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:30:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:30:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:30:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:30:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:30:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:30:59,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035331643] [2020-10-28 15:30:59,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:30:59,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 15:30:59,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323664012] [2020-10-28 15:30:59,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:30:59,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:30:59,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:30:59,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:30:59,190 INFO L87 Difference]: Start difference. First operand 747 states. Second operand 10 states. [2020-10-28 15:31:01,447 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:31:01,664 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-28 15:31:04,108 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:31:18,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:18,120 INFO L93 Difference]: Finished difference Result 1520 states and 2600 transitions. [2020-10-28 15:31:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 15:31:18,123 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-28 15:31:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:18,152 INFO L225 Difference]: With dead ends: 1520 [2020-10-28 15:31:18,152 INFO L226 Difference]: Without dead ends: 924 [2020-10-28 15:31:18,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2020-10-28 15:31:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-28 15:31:18,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 590. [2020-10-28 15:31:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-28 15:31:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 943 transitions. [2020-10-28 15:31:18,533 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 943 transitions. Word has length 139 [2020-10-28 15:31:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:18,533 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 943 transitions. [2020-10-28 15:31:18,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:31:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 943 transitions. [2020-10-28 15:31:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-28 15:31:18,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:18,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:31:18,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:31:18,551 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]=== [2020-10-28 15:31:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:18,551 INFO L82 PathProgramCache]: Analyzing trace with hash -558803136, now seen corresponding path program 1 times [2020-10-28 15:31:18,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:18,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754166169] [2020-10-28 15:31:18,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:18,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:18,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:19,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:20,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:22,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:23,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:23,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-28 15:31:23,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:31:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 15:31:23,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:23,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:31:23,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:23,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,837 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:31:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:31:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:31:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:31:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:24,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:31:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:24,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:31:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:24,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:24,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:24,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:24,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:25,199 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:31:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:31:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:25,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:30,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:31:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:30,410 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:31:30,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:31:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:30,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 15:31:30,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:31:30,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:30,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:30,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:30,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 15:31:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:31:31,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:31:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:31:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 15:31:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:31:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:31:31,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:31:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:31:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:31:31,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:31:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:31:31,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:31,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:31,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:31,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:31:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 15:31:31,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:31:31,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 15:31:31,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:31:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:31:31,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:31:31,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:31,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:31,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:31:31,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:31,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:31,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 15:31:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:31,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:31,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3312 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:35,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:35,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:31:36,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:31:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1680 [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:31:36,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:36,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:31:36,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:31:36,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:31:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:31:36,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:36,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:31:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:31:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:36,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:31:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:31:36,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:31:36,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:36,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:31:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:36,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:31:36,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:31:36,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:31:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:31:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:31:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:31:37,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754166169] [2020-10-28 15:31:37,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:31:37,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 15:31:37,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320209420] [2020-10-28 15:31:37,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:31:37,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:31:37,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:31:37,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:31:37,072 INFO L87 Difference]: Start difference. First operand 590 states and 943 transitions. Second operand 10 states. [2020-10-28 15:31:38,916 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:31:41,275 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:31:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:31:55,390 INFO L93 Difference]: Finished difference Result 1489 states and 2521 transitions. [2020-10-28 15:31:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 15:31:55,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-10-28 15:31:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:31:55,401 INFO L225 Difference]: With dead ends: 1489 [2020-10-28 15:31:55,401 INFO L226 Difference]: Without dead ends: 924 [2020-10-28 15:31:55,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2020-10-28 15:31:55,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-28 15:31:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 590. [2020-10-28 15:31:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-10-28 15:31:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 938 transitions. [2020-10-28 15:31:55,592 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 938 transitions. Word has length 143 [2020-10-28 15:31:55,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:31:55,592 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 938 transitions. [2020-10-28 15:31:55,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:31:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 938 transitions. [2020-10-28 15:31:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 15:31:55,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:31:55,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:31:55,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:31:55,598 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]=== [2020-10-28 15:31:55,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:31:55,598 INFO L82 PathProgramCache]: Analyzing trace with hash 898847666, now seen corresponding path program 1 times [2020-10-28 15:31:55,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:31:55,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959809359] [2020-10-28 15:31:55,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:31:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:31:55,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:55,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:55,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:55,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:56,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:31:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-28 15:32:00,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:32:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:32:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:01,865 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:32:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:32:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:01,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:01,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:01,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:01,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:01,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:32:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:01,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:01,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:01,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:32:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:32:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:32:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:01,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:01,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:01,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:32:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:02,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:02,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:32:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:32:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:02,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:02,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:02,262 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:32:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:32:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:02,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:03,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:07,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:32:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:07,477 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:32:07,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:32:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:07,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:07,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:32:08,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:32:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-28 15:32:08,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:08,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:32:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:32:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:32:08,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:08,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 15:32:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:08,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:32:08,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:32:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:32:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:32:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:08,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:32:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:11,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2699 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:32:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:11,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:11,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:11,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:11,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1322 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:32:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:12,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:12,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:12,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:12,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:32:12,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:32:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:12,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:12,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:12,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:32:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:13,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:32:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:13,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:13,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:13,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:32:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:32:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:32:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 15:32:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:32:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:32:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:32:13,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:32:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:32:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:32:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:32:13,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:32:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 15:32:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959809359] [2020-10-28 15:32:13,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:32:13,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 15:32:13,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426326572] [2020-10-28 15:32:13,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 15:32:13,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:32:13,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 15:32:13,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-28 15:32:13,284 INFO L87 Difference]: Start difference. First operand 590 states and 938 transitions. Second operand 14 states. [2020-10-28 15:32:15,158 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:32:17,961 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:32:19,089 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:32:19,539 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:32:19,717 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:32:21,573 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:32:22,701 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:32:24,308 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:32:25,459 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-28 15:32:26,991 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:32:28,181 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:32:30,587 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2020-10-28 15:32:31,769 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 419 [2020-10-28 15:32:37,089 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 15:32:41,257 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:32:42,576 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:32:43,782 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-28 15:32:44,882 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:32:49,613 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:32:51,067 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:32:53,476 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 417 DAG size of output: 413 [2020-10-28 15:32:56,871 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:33:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:33:31,912 INFO L93 Difference]: Finished difference Result 3381 states and 6014 transitions. [2020-10-28 15:33:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-28 15:33:31,913 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 145 [2020-10-28 15:33:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:33:31,944 INFO L225 Difference]: With dead ends: 3381 [2020-10-28 15:33:31,944 INFO L226 Difference]: Without dead ends: 2900 [2020-10-28 15:33:31,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1058 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192 [2020-10-28 15:33:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2900 states. [2020-10-28 15:33:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2900 to 1824. [2020-10-28 15:33:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1824 states. [2020-10-28 15:33:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2936 transitions. [2020-10-28 15:33:32,471 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2936 transitions. Word has length 145 [2020-10-28 15:33:32,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:33:32,472 INFO L481 AbstractCegarLoop]: Abstraction has 1824 states and 2936 transitions. [2020-10-28 15:33:32,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 15:33:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2936 transitions. [2020-10-28 15:33:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 15:33:32,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:33:32,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:33:32,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:33:32,477 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]=== [2020-10-28 15:33:32,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:33:32,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1173607280, now seen corresponding path program 1 times [2020-10-28 15:33:32,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:33:32,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501666119] [2020-10-28 15:33:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:33:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:32,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:32,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:32,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:33,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:33:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 15:33:37,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:33:37,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,665 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:33:38,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:33:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:33:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:38,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:33:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:33:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:33:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:38,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:33:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:39,077 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:33:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:33:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:39,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 15:33:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:33:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 15:33:44,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:33:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:33:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,270 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:33:44,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:33:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:33:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:33:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 15:33:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:33:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:33:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:44,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:33:44,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:44,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 15:33:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:44,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:44,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:33:45,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:33:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-28 15:33:45,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 15:33:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:45,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:33:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:33:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:45,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:33:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:45,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:33:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:45,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:45,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:33:46,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:33:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:33:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:33:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:33:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:33:46,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501666119] [2020-10-28 15:33:46,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:33:46,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 15:33:46,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077635230] [2020-10-28 15:33:46,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:33:46,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:33:46,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:33:46,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:33:46,241 INFO L87 Difference]: Start difference. First operand 1824 states and 2936 transitions. Second operand 10 states. [2020-10-28 15:33:48,269 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:33:50,790 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:33:52,016 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:33:53,058 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:34:08,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:34:08,236 INFO L93 Difference]: Finished difference Result 4644 states and 7971 transitions. [2020-10-28 15:34:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:34:08,238 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-28 15:34:08,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:34:08,265 INFO L225 Difference]: With dead ends: 4644 [2020-10-28 15:34:08,266 INFO L226 Difference]: Without dead ends: 2852 [2020-10-28 15:34:08,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:34:08,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-10-28 15:34:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 1863. [2020-10-28 15:34:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1863 states. [2020-10-28 15:34:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 3000 transitions. [2020-10-28 15:34:08,842 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 3000 transitions. Word has length 145 [2020-10-28 15:34:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:34:08,843 INFO L481 AbstractCegarLoop]: Abstraction has 1863 states and 3000 transitions. [2020-10-28 15:34:08,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:34:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 3000 transitions. [2020-10-28 15:34:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 15:34:08,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:34:08,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:34:08,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 15:34:08,848 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:34:08,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:34:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1741755041, now seen corresponding path program 1 times [2020-10-28 15:34:08,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:34:08,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911380645] [2020-10-28 15:34:08,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:34:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:13,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:34:13,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:34:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,024 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:34:15,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:34:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:34:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:34:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:15,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:34:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:15,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:15,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:34:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:34:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:15,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:15,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0