/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:06:25,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:06:25,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:06:25,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:06:25,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:06:25,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:06:25,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:06:25,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:06:25,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:06:25,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:06:25,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:06:25,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:06:25,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:06:25,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:06:25,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:06:25,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:06:25,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:06:25,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:06:25,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:06:25,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:06:25,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:06:25,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:06:25,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:06:25,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:06:25,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:06:25,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:06:25,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:06:25,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:06:25,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:06:25,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:06:25,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:06:25,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:06:25,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:06:25,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:06:25,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:06:25,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:06:25,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:06:25,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:06:25,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:06:25,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:06:25,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:06:25,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:06:25,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:06:25,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:06:25,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:06:25,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:06:25,581 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:06:25,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:06:25,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:06:25,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:06:25,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:06:25,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:06:25,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:06:25,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:06:25,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:06:25,585 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:06:25,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:06:25,585 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:06:25,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:06:25,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:06:25,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:06:25,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:06:25,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:06:25,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:06:25,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:06:25,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:06:25,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:06:25,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:06:25,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:06:25,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:06:25,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:06:25,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:06:26,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:06:26,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:06:26,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:06:26,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:06:26,053 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:06:26,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2020-10-27 21:06:26,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c53a32a/70323c5925bf445a9d6da54666dbd7d7/FLAG36d52fee9 [2020-10-27 21:06:27,052 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:06:27,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2020-10-27 21:06:27,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c53a32a/70323c5925bf445a9d6da54666dbd7d7/FLAG36d52fee9 [2020-10-27 21:06:27,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a9c53a32a/70323c5925bf445a9d6da54666dbd7d7 [2020-10-27 21:06:27,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:06:27,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:06:27,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:06:27,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:06:27,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:06:27,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:06:27" (1/1) ... [2020-10-27 21:06:27,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156308bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:27, skipping insertion in model container [2020-10-27 21:06:27,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:06:27" (1/1) ... [2020-10-27 21:06:27,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:06:27,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:06:27,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:06:27,894 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:06:28,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:06:28,155 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:06:28,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28 WrapperNode [2020-10-27 21:06:28,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:06:28,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:06:28,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:06:28,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:06:28,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... [2020-10-27 21:06:28,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:06:28,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:06:28,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:06:28,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:06:28,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:06:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:06:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:06:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-27 21:06:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 21:06:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 21:06:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 21:06:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 21:06:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 21:06:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 21:06:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 21:06:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:06:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:06:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:06:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:06:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:06:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 21:06:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 21:06:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 21:06:28,501 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:06:28,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:06:28,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 21:06:28,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-27 21:06:28,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 21:06:28,506 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 21:06:28,507 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 21:06:28,508 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 21:06:28,509 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-27 21:06:28,510 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 21:06:28,511 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 21:06:28,512 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:06:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:06:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:06:31,608 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:06:31,608 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 21:06:31,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:06:31 BoogieIcfgContainer [2020-10-27 21:06:31,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:06:31,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:06:31,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:06:31,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:06:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:06:27" (1/3) ... [2020-10-27 21:06:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6467244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:06:31, skipping insertion in model container [2020-10-27 21:06:31,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:06:28" (2/3) ... [2020-10-27 21:06:31,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6467244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:06:31, skipping insertion in model container [2020-10-27 21:06:31,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:06:31" (3/3) ... [2020-10-27 21:06:31,621 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2020-10-27 21:06:31,634 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:06:31,640 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:06:31,651 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:06:31,686 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:06:31,686 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:06:31,686 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:06:31,687 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:06:31,687 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:06:31,687 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:06:31,687 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:06:31,687 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:06:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states. [2020-10-27 21:06:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 21:06:31,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:06:31,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:06:31,749 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:06:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:06:31,764 INFO L82 PathProgramCache]: Analyzing trace with hash -476998264, now seen corresponding path program 1 times [2020-10-27 21:06:31,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:06:31,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313680294] [2020-10-27 21:06:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:06:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:32,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:32,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:33,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 21:06:37,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:06:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 21:06:37,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-27 21:06:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:06:39,100 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 21:06:39,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:06:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:39,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 21:06:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:06:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:06:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:06:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:39,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:06:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:06:39,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:06:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:39,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:06:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:39,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:06:39,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:06:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:06:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:06:39,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:06:39,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:06:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:06:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:39,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:39,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:06:39,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:39,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:39,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:06:39,561 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:06:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:06:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:39,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:40,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:42,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:44,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:44,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 21:06:44,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:06:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 21:06:44,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 21:06:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:44,805 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:06:44,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:06:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:44,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:44,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:44,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:45,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:06:45,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:06:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-27 21:06:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:06:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 21:06:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:06:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:45,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:45,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:06:45,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:06:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:06:45,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:06:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:06:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:06:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:45,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:06:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:45,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:45,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:06:45,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 21:06:45,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:06:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:06:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:06:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:06:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:06:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:45,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:06:45,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:06:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:06:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:45,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 21:06:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:45,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:45,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 21:06:45,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:06:45,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 21:06:45,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 21:06:45,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:45,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:45,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:46,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 21:06:46,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:06:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 21:06:46,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:06:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 21:06:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:06:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:06:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:46,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:06:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:46,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 21:06:46,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:06:46,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:06:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:06:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:06:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:06:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:06:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:06:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:06:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:06:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:06:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:06:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:06:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:06:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:06:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:06:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:06:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:06:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:06:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:06:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:06:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:06:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:06:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:06:46,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313680294] [2020-10-27 21:06:46,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:06:46,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:06:46,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410737041] [2020-10-27 21:06:46,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:06:46,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:06:46,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:06:46,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:06:46,261 INFO L87 Difference]: Start difference. First operand 769 states. Second operand 14 states. [2020-10-27 21:06:49,300 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:06:50,650 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:06:52,178 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:06:54,015 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:06:55,720 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:06:57,194 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:06:58,606 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:07:05,307 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:07:20,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:07:20,950 INFO L93 Difference]: Finished difference Result 1646 states and 2883 transitions. [2020-10-27 21:07:20,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 21:07:20,954 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 88 [2020-10-27 21:07:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:07:20,992 INFO L225 Difference]: With dead ends: 1646 [2020-10-27 21:07:20,993 INFO L226 Difference]: Without dead ends: 1043 [2020-10-27 21:07:21,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2020-10-27 21:07:21,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-10-27 21:07:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 603. [2020-10-27 21:07:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-10-27 21:07:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 959 transitions. [2020-10-27 21:07:21,335 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 959 transitions. Word has length 88 [2020-10-27 21:07:21,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:07:21,336 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 959 transitions. [2020-10-27 21:07:21,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 21:07:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 959 transitions. [2020-10-27 21:07:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-27 21:07:21,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:07:21,345 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 21:07:21,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:07:21,346 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:07:21,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:07:21,346 INFO L82 PathProgramCache]: Analyzing trace with hash -800397402, now seen corresponding path program 1 times [2020-10-27 21:07:21,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:07:21,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682934334] [2020-10-27 21:07:21,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:07:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:21,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:23,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:24,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:26,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:26,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:07:26,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:07:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 21:07:26,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:07:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,716 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 21:07:27,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:07:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:07:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:27,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:07:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:27,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:07:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:07:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:07:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:07:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:07:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:27,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:27,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:28,134 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:07:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:07:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:28,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:28,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:28,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:28,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:07:33,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 21:07:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 21:07:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:33,318 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:07:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:07:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:33,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 21:07:33,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:07:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:33,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:07:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:07:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:33,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:07:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:33,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:33,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:07:33,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:33,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:07:33,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:07:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:07:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:33,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 21:07:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:33,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:33,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:07:33,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:07:33,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:07:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:07:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:07:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:33,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 21:07:34,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-27 21:07:34,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:07:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 21:07:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 21:07:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 21:07:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 21:07:34,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:07:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:07:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 21:07:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:34,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:07:34,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:34,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:07:34,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:07:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 21:07:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:07:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:07:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:07:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:07:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:07:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:07:34,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:07:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:07:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 21:07:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:07:34,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:07:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:07:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:07:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:07:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:07:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:07:34,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682934334] [2020-10-27 21:07:34,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:07:34,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:07:34,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550542995] [2020-10-27 21:07:34,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:07:34,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:07:34,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:07:34,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:07:34,784 INFO L87 Difference]: Start difference. First operand 603 states and 959 transitions. Second operand 18 states. [2020-10-27 21:07:37,283 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:07:37,834 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 21:07:39,241 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:07:40,717 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 21:07:42,335 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 21:07:45,264 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:07:46,627 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:07:47,982 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:07:48,232 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 21:07:49,330 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 21:07:49,593 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 21:07:51,065 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:07:51,767 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 21:08:01,257 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 21:08:01,492 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 21:08:03,922 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 21:08:05,231 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 427 [2020-10-27 21:08:05,506 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 21:08:11,956 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 21:08:13,243 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 21:08:13,466 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 21:08:22,765 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 21:08:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:08:33,601 INFO L93 Difference]: Finished difference Result 1963 states and 3418 transitions. [2020-10-27 21:08:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 21:08:33,602 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 98 [2020-10-27 21:08:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:08:33,618 INFO L225 Difference]: With dead ends: 1963 [2020-10-27 21:08:33,618 INFO L226 Difference]: Without dead ends: 1392 [2020-10-27 21:08:33,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=414, Invalid=2036, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 21:08:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2020-10-27 21:08:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 848. [2020-10-27 21:08:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-10-27 21:08:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1337 transitions. [2020-10-27 21:08:33,939 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1337 transitions. Word has length 98 [2020-10-27 21:08:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:08:33,940 INFO L481 AbstractCegarLoop]: Abstraction has 848 states and 1337 transitions. [2020-10-27 21:08:33,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:08:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1337 transitions. [2020-10-27 21:08:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 21:08:33,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:08:33,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:08:33,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:08:33,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:08:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:08:33,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1434059624, now seen corresponding path program 1 times [2020-10-27 21:08:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:08:33,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462057556] [2020-10-27 21:08:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:08:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:34,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:34,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:39,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:39,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 21:08:39,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:08:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 21:08:39,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:08:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:08:39,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:08:39,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,277 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 21:08:40,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:08:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:08:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:08:40,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:08:40,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:08:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:08:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:08:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:08:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:40,660 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:08:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:08:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:40,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:41,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:08:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 21:08:41,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:08:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,059 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:08:42,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:08:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 21:08:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:08:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-27 21:08:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:08:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:08:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:08:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:08:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:08:42,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:08:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:08:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:08:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:08:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:08:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:08:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 21:08:42,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:08:42,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:08:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:08:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 21:08:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 21:08:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:08:42,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:08:42,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:08:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:08:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 21:08:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 21:08:42,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 21:08:42,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 21:08:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:08:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 21:08:42,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:08:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:08:42,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:08:42,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:08:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:08:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:08:42,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:08:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:08:42,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:42,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:08:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:08:42,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:08:42,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:08:42,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:08:42,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:08:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:08:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:08:43,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462057556] [2020-10-27 21:08:43,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:08:43,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:08:43,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230148388] [2020-10-27 21:08:43,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:08:43,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:08:43,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:08:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:08:43,030 INFO L87 Difference]: Start difference. First operand 848 states and 1337 transitions. Second operand 11 states. [2020-10-27 21:08:45,834 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:08:47,099 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:08:48,474 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:08:50,050 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:09:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:09:13,563 INFO L93 Difference]: Finished difference Result 2166 states and 3700 transitions. [2020-10-27 21:09:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:09:13,567 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-10-27 21:09:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:09:13,579 INFO L225 Difference]: With dead ends: 2166 [2020-10-27 21:09:13,579 INFO L226 Difference]: Without dead ends: 1350 [2020-10-27 21:09:13,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:09:13,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2020-10-27 21:09:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 848. [2020-10-27 21:09:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-10-27 21:09:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1331 transitions. [2020-10-27 21:09:13,852 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1331 transitions. Word has length 99 [2020-10-27 21:09:13,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:09:13,853 INFO L481 AbstractCegarLoop]: Abstraction has 848 states and 1331 transitions. [2020-10-27 21:09:13,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:09:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1331 transitions. [2020-10-27 21:09:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 21:09:13,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:09:13,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:09:13,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:09:13,857 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:09:13,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:09:13,857 INFO L82 PathProgramCache]: Analyzing trace with hash -45916384, now seen corresponding path program 1 times [2020-10-27 21:09:13,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:09:13,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226233904] [2020-10-27 21:09:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:09:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:14,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:17,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:17,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:09:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 21:09:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:09:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,253 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 21:09:20,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:09:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:09:20,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:09:20,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:09:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:09:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:09:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 21:09:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:20,620 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 21:09:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 21:09:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:20,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:20,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:09:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:21,774 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:09:21,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:09:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:21,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:09:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:09:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:09:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:09:22,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:09:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:09:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 21:09:22,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:09:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:09:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:09:22,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:09:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:09:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:09:22,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:09:22,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:09:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:09:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:09:22,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 21:09:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 21:09:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 21:09:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 21:09:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:09:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 21:09:22,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:09:22,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:09:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:09:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:09:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:09:22,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:09:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:09:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:09:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:09:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:09:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:09:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:09:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:09:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:09:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:09:22,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226233904] [2020-10-27 21:09:22,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:09:22,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 21:09:22,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705676342] [2020-10-27 21:09:22,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 21:09:22,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:09:22,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 21:09:22,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 21:09:22,420 INFO L87 Difference]: Start difference. First operand 848 states and 1331 transitions. Second operand 11 states. [2020-10-27 21:09:25,075 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:09:26,338 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 420 [2020-10-27 21:09:27,707 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:09:29,191 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 21:09:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:09:55,888 INFO L93 Difference]: Finished difference Result 2166 states and 3689 transitions. [2020-10-27 21:09:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:09:55,889 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 101 [2020-10-27 21:09:55,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:09:55,899 INFO L225 Difference]: With dead ends: 2166 [2020-10-27 21:09:55,899 INFO L226 Difference]: Without dead ends: 1350 [2020-10-27 21:09:55,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:09:55,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2020-10-27 21:09:56,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 848. [2020-10-27 21:09:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-10-27 21:09:56,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1325 transitions. [2020-10-27 21:09:56,210 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1325 transitions. Word has length 101 [2020-10-27 21:09:56,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:09:56,211 INFO L481 AbstractCegarLoop]: Abstraction has 848 states and 1325 transitions. [2020-10-27 21:09:56,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 21:09:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1325 transitions. [2020-10-27 21:09:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 21:09:56,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:09:56,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:09:56,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:09:56,215 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:09:56,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:09:56,216 INFO L82 PathProgramCache]: Analyzing trace with hash 992384218, now seen corresponding path program 1 times [2020-10-27 21:09:56,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:09:56,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614399519] [2020-10-27 21:09:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:09:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:09:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:56,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:09:56,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:10:01,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:10:01,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:10:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0