/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec13_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:05:34,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:05:34,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:05:34,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:05:34,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:05:34,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:05:34,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:05:34,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:05:34,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:05:34,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:05:34,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:05:34,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:05:34,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:05:34,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:05:34,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:05:34,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:05:34,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:05:34,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:05:34,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:05:34,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:05:34,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:05:34,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:05:34,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:05:34,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:05:34,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:05:34,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:05:34,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:05:34,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:05:34,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:05:34,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:05:34,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:05:34,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:05:34,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:05:34,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:05:34,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:05:34,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:05:34,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:05:34,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:05:34,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:05:34,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:05:34,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:05:34,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:05:34,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:05:34,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:05:34,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:05:34,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:05:34,912 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:05:34,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:05:34,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:05:34,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:05:34,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:05:34,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:05:34,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:05:34,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:05:34,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:05:34,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:05:34,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:05:34,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:05:34,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:05:34,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:05:34,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:05:34,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:05:34,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:05:34,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:05:34,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:05:34,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:05:34,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:05:34,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:05:34,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:05:34,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:05:34,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:05:34,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:05:35,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:05:35,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:05:35,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:05:35,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:05:35,394 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:05:35,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product24.cil.c [2020-10-27 02:05:35,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae41a740/819cf727db304a58ba338e3c021cb0a8/FLAGad3736633 [2020-10-27 02:05:36,413 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:05:36,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product24.cil.c [2020-10-27 02:05:36,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae41a740/819cf727db304a58ba338e3c021cb0a8/FLAGad3736633 [2020-10-27 02:05:36,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aae41a740/819cf727db304a58ba338e3c021cb0a8 [2020-10-27 02:05:36,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:05:36,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:05:36,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:05:36,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:05:36,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:05:36,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:05:36" (1/1) ... [2020-10-27 02:05:36,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191f47ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:36, skipping insertion in model container [2020-10-27 02:05:36,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:05:36" (1/1) ... [2020-10-27 02:05:36,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:05:36,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:05:37,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:05:37,312 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:05:37,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:05:37,637 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:05:37,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37 WrapperNode [2020-10-27 02:05:37,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:05:37,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:05:37,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:05:37,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:05:37,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... [2020-10-27 02:05:37,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:05:37,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:05:37,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:05:37,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:05:37,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:05:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:05:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:05:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:05:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:05:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 02:05:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:05:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:05:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:05:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:05:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:05:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:05:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:05:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:05:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-27 02:05:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:05:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:05:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:05:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:05:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:05:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:05:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:05:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:05:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:05:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:05:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:05:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 02:05:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:05:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:05:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:05:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:05:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:05:40,791 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:05:40,792 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:05:40,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:05:40 BoogieIcfgContainer [2020-10-27 02:05:40,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:05:40,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:05:40,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:05:40,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:05:40,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:05:36" (1/3) ... [2020-10-27 02:05:40,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3956a1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:05:40, skipping insertion in model container [2020-10-27 02:05:40,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:05:37" (2/3) ... [2020-10-27 02:05:40,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3956a1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:05:40, skipping insertion in model container [2020-10-27 02:05:40,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:05:40" (3/3) ... [2020-10-27 02:05:40,806 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product24.cil.c [2020-10-27 02:05:40,819 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:05:40,825 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:05:40,840 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:05:40,879 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:05:40,879 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:05:40,880 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:05:40,880 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:05:40,880 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:05:40,880 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:05:40,880 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:05:40,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:05:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states. [2020-10-27 02:05:40,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 02:05:40,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:05:40,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:05:40,942 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:05:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:05:40,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1544057517, now seen corresponding path program 1 times [2020-10-27 02:05:40,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:05:40,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137978750] [2020-10-27 02:05:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:05:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:42,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:42,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:43,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:46,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:46,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 02:05:46,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:05:46,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 02:05:46,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 02:05:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:46,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:05:47,595 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:05:47,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:47,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:47,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:47,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 02:05:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:05:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:47,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:05:47,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:47,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:05:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:47,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:47,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:47,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:05:47,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:47,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:47,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:47,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:47,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:05:47,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:05:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:47,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:47,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:47,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:47,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:47,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:05:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:05:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:47,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:47,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:47,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:05:47,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:47,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:47,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:48,040 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:05:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:05:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:48,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:48,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:05:48,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:05:48,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 757 [2020-10-27 02:05:48,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:05:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:48,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:48,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:48,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:48,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:48,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:05:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:48,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:05:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:48,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:05:48,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 02:05:48,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:48,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:05:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:48,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:05:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:48,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:48,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:48,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:48,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:48,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:05:48,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:05:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 02:05:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:05:49,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:05:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-27 02:05:49,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:05:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:05:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:05:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:49,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:05:49,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:05:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:05:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:05:49,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:49,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:05:49,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:05:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:05:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:05:49,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:05:49,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:05:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:49,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:05:49,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 02:05:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:05:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:05:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 02:05:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:05:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:49,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:05:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 02:05:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:49,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:49,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:05:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:49,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 02:05:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:49,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:05:49,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:05:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 02:05:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:50,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:50,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:05:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:05:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:05:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:05:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:05:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:05:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:50,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 02:05:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:05:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:05:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:05:50,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:05:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:05:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:05:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:05:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:05:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:05:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:05:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:05:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 02:05:50,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137978750] [2020-10-27 02:05:50,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:05:50,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 02:05:50,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782567852] [2020-10-27 02:05:50,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 02:05:50,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:05:50,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 02:05:50,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-27 02:05:50,214 INFO L87 Difference]: Start difference. First operand 839 states. Second operand 16 states. [2020-10-27 02:05:53,949 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:05:55,174 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:05:56,644 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:06:00,673 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:06:01,919 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:06:03,156 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:06:04,439 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:06:05,698 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:06:07,451 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:06:19,687 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:06:21,159 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:06:22,317 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:06:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:06:31,072 INFO L93 Difference]: Finished difference Result 1686 states and 2832 transitions. [2020-10-27 02:06:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 02:06:31,075 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 114 [2020-10-27 02:06:31,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:06:31,117 INFO L225 Difference]: With dead ends: 1686 [2020-10-27 02:06:31,117 INFO L226 Difference]: Without dead ends: 977 [2020-10-27 02:06:31,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 02:06:31,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-27 02:06:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 731. [2020-10-27 02:06:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2020-10-27 02:06:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1155 transitions. [2020-10-27 02:06:31,534 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1155 transitions. Word has length 114 [2020-10-27 02:06:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:06:31,535 INFO L481 AbstractCegarLoop]: Abstraction has 731 states and 1155 transitions. [2020-10-27 02:06:31,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 02:06:31,535 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1155 transitions. [2020-10-27 02:06:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 02:06:31,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:06:31,548 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:06:31,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:06:31,549 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:06:31,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:06:31,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1378548390, now seen corresponding path program 1 times [2020-10-27 02:06:31,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:06:31,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536602267] [2020-10-27 02:06:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:06:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:31,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:31,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:31,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:32,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:36,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:36,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 02:06:36,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:06:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-27 02:06:36,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 02:06:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:06:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-27 02:06:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:06:37,881 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:06:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:06:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:37,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:06:38,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:06:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:06:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:06:38,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:06:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:06:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:06:38,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:06:38,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:06:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:06:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:06:38,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:06:38,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:06:38,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:06:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:06:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,365 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:06:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:06:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:06:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:06:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:06:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:06:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:06:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 02:06:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:38,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:06:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:06:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-27 02:06:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:06:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:06:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:06:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:06:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:06:39,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:06:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:06:39,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:06:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 02:06:39,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:06:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:06:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:06:39,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 02:06:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:06:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:06:39,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:06:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:06:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:06:39,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:06:39,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 02:06:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:06:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:06:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:06:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:06:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:06:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 02:06:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 02:06:39,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 02:06:39,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 02:06:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 02:06:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:06:39,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:06:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:06:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 02:06:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:06:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:06:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:06:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:06:39,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:06:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 02:06:39,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536602267] [2020-10-27 02:06:39,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:06:39,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 02:06:39,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135666848] [2020-10-27 02:06:39,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 02:06:39,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:06:39,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 02:06:39,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 02:06:39,775 INFO L87 Difference]: Start difference. First operand 731 states and 1155 transitions. Second operand 9 states. [2020-10-27 02:06:41,473 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:06:42,940 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:06:43,493 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:06:44,313 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:07:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:07:12,475 INFO L93 Difference]: Finished difference Result 2386 states and 3964 transitions. [2020-10-27 02:07:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 02:07:12,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-27 02:07:12,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:07:12,495 INFO L225 Difference]: With dead ends: 2386 [2020-10-27 02:07:12,495 INFO L226 Difference]: Without dead ends: 1742 [2020-10-27 02:07:12,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-10-27 02:07:12,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-10-27 02:07:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1319. [2020-10-27 02:07:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-10-27 02:07:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 2104 transitions. [2020-10-27 02:07:12,901 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 2104 transitions. Word has length 121 [2020-10-27 02:07:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:07:12,901 INFO L481 AbstractCegarLoop]: Abstraction has 1319 states and 2104 transitions. [2020-10-27 02:07:12,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 02:07:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2104 transitions. [2020-10-27 02:07:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 02:07:12,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:07:12,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:07:12,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 02:07:12,910 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:07:12,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:07:12,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1742725258, now seen corresponding path program 1 times [2020-10-27 02:07:12,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:07:12,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021765980] [2020-10-27 02:07:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:07:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:13,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:17,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:07:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:07:18,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 02:07:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,322 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:07:19,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:07:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:19,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 02:07:19,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:07:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:07:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:07:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:07:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:07:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:07:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:07:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:07:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:07:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:07:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:07:19,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:19,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:07:19,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:07:19,658 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:07:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:07:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:07:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:07:19,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:07:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:07:19,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:07:19,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:19,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:07:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:07:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:07:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:19,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 02:07:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:19,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:19,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 627 [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 02:07:20,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:07:20,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:07:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:20,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:07:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 02:07:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:07:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:07:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 02:07:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:20,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:20,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:20,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:07:20,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:07:20,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:21,009 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 02:07:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 02:07:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 02:07:23,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:07:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2477 [2020-10-27 02:07:23,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:07:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:07:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 02:07:23,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:07:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:07:23,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:07:23,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:07:23,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:07:23,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:07:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:07:23,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:07:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:23,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:07:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:07:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:07:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:07:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 02:07:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 02:07:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:07:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:07:23,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:23,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 02:07:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:23,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 02:07:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:07:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:07:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:07:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 02:07:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 02:07:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 02:07:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 02:07:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 02:07:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:07:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:07:23,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:07:23,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:07:23,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:07:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 02:07:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:07:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:07:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:07:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:07:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:07:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 02:07:24,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021765980] [2020-10-27 02:07:24,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:07:24,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 02:07:24,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628669686] [2020-10-27 02:07:24,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:07:24,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:07:24,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:07:24,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:07:24,105 INFO L87 Difference]: Start difference. First operand 1319 states and 2104 transitions. Second operand 18 states. [2020-10-27 02:07:28,667 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:07:31,551 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 02:07:33,024 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:07:34,259 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:07:35,721 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:07:36,178 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:07:41,568 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-27 02:07:42,203 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 02:07:43,779 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:07:45,071 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-27 02:07:47,500 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:07:49,656 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:07:50,376 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:07:51,261 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:07:52,550 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:07:53,937 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 02:07:55,829 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 415 [2020-10-27 02:07:57,108 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 417 [2020-10-27 02:07:58,597 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:07:59,013 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:08:05,193 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 02:08:07,268 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:08:07,445 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:08:07,758 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:08:08,423 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:08:18,746 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:08:22,438 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:08:36,004 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-27 02:08:38,368 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-27 02:08:42,002 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 02:08:49,866 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:08:53,486 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:08:54,051 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 02:08:58,770 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:09:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:09:15,825 INFO L93 Difference]: Finished difference Result 6150 states and 10959 transitions. [2020-10-27 02:09:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-27 02:09:15,826 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 180 [2020-10-27 02:09:15,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:09:15,878 INFO L225 Difference]: With dead ends: 6150 [2020-10-27 02:09:15,878 INFO L226 Difference]: Without dead ends: 4918 [2020-10-27 02:09:15,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=1061, Invalid=4195, Unknown=0, NotChecked=0, Total=5256 [2020-10-27 02:09:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4918 states. [2020-10-27 02:09:16,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4918 to 3704. [2020-10-27 02:09:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3704 states. [2020-10-27 02:09:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3704 states and 5945 transitions. [2020-10-27 02:09:16,956 INFO L78 Accepts]: Start accepts. Automaton has 3704 states and 5945 transitions. Word has length 180 [2020-10-27 02:09:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:09:16,957 INFO L481 AbstractCegarLoop]: Abstraction has 3704 states and 5945 transitions. [2020-10-27 02:09:16,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 02:09:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3704 states and 5945 transitions. [2020-10-27 02:09:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 02:09:16,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:09:16,969 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:09:16,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 02:09:16,970 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:09:16,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:09:16,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1772890529, now seen corresponding path program 1 times [2020-10-27 02:09:16,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:09:16,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1433712685] [2020-10-27 02:09:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:09:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:09:17,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:17,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:09:19,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking...