/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-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:45:43,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:45:43,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:45:43,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:45:43,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:45:43,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:45:43,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:45:43,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:45:43,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:45:43,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:45:43,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:45:43,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:45:43,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:45:43,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:45:43,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:45:43,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:45:43,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:45:43,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:45:43,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:45:43,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:45:43,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:45:43,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:45:43,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:45:43,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:45:43,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:45:43,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:45:43,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:45:43,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:45:43,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:45:43,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:45:43,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:45:43,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:45:43,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:45:43,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:45:43,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:45:43,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:45:43,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:45:43,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:45:43,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:45:43,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:45:43,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:45:43,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 08:45:43,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:45:43,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:45:43,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:45:43,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:45:43,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:45:43,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:45:43,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:45:43,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:45:43,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:45:43,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:45:43,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:45:43,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:45:43,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:45:43,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:45:43,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:45:43,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:45:43,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:45:43,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:45:43,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:45:43,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:45:43,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:45:43,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:45:43,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:45:43,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:45:43,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:45:43,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:45:43,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:45:43,762 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:45:44,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:45:44,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:45:44,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:45:44,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:45:44,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:45:44,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-27 08:45:44,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/853f8b515/1583a52f209f4f4eb31cfb59c1ec6ba3/FLAG9bac094d5 [2020-10-27 08:45:45,267 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:45:45,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-27 08:45:45,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/853f8b515/1583a52f209f4f4eb31cfb59c1ec6ba3/FLAG9bac094d5 [2020-10-27 08:45:45,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/853f8b515/1583a52f209f4f4eb31cfb59c1ec6ba3 [2020-10-27 08:45:45,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:45:45,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:45:45,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:45:45,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:45:45,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:45:45,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:45:45" (1/1) ... [2020-10-27 08:45:45,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39673d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:45, skipping insertion in model container [2020-10-27 08:45:45,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:45:45" (1/1) ... [2020-10-27 08:45:45,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:45:45,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:45:46,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:45:46,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:45:47,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:45:47,323 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:45:47,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47 WrapperNode [2020-10-27 08:45:47,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:45:47,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:45:47,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:45:47,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:45:47,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (1/1) ... [2020-10-27 08:45:47,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:45:47,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:45:47,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:45:47,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:45:47,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (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 08:45:47,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:45:47,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:45:47,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:45:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:45:47,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-27 08:45:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-27 08:45:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-27 08:45:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-27 08:45:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-27 08:45:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-27 08:45:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-27 08:45:47,616 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-27 08:45:47,617 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-27 08:45:47,617 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-27 08:45:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:45:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:45:47,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:45:47,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:45:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:45:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:45:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:45:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:45:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2020-10-27 08:45:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2020-10-27 08:45:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:45:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:45:47,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:45:47,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:45:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-27 08:45:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:45:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:45:47,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:45:47,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 08:45:47,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-27 08:45:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2020-10-27 08:45:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 08:45:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:45:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-27 08:45:47,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 08:45:47,631 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2020-10-27 08:45:47,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-27 08:45:47,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 08:45:47,633 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:45:47,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-27 08:45:47,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-27 08:45:47,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-27 08:45:47,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:45:47,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:45:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 08:45:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:45:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:45:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:45:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:45:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:45:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:45:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-27 08:45:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-27 08:45:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-27 08:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-27 08:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-27 08:45:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 08:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-27 08:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 08:45:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-27 08:45:47,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:45:47,643 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-27 08:45:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-27 08:45:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2020-10-27 08:45:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:45:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2020-10-27 08:45:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-27 08:45:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-27 08:45:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-27 08:45:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 08:45:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-27 08:45:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:45:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-27 08:45:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:45:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:45:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:45:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:45:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:45:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:45:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:45:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:45:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:45:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:45:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:45:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:45:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:45:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-27 08:45:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-27 08:45:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:45:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2020-10-27 08:45:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2020-10-27 08:45:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2020-10-27 08:45:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2020-10-27 08:45:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2020-10-27 08:45:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:45:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:45:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:45:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:45:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:45:48,616 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:45:49,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:45:50,076 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:45:50,076 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 08:45:50,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:45:50 BoogieIcfgContainer [2020-10-27 08:45:50,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:45:50,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:45:50,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:45:50,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:45:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:45:45" (1/3) ... [2020-10-27 08:45:50,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a9f561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:45:50, skipping insertion in model container [2020-10-27 08:45:50,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:45:47" (2/3) ... [2020-10-27 08:45:50,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a9f561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:45:50, skipping insertion in model container [2020-10-27 08:45:50,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:45:50" (3/3) ... [2020-10-27 08:45:50,093 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-27 08:45:50,105 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:45:50,111 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:45:50,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:45:50,171 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:45:50,171 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:45:50,171 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:45:50,172 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:45:50,172 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:45:50,172 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:45:50,172 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:45:50,172 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:45:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states. [2020-10-27 08:45:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 08:45:50,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:45:50,251 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:50,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:45:50,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:45:50,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1775321223, now seen corresponding path program 1 times [2020-10-27 08:45:50,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:45:50,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365873583] [2020-10-27 08:45:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:45:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:50,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:51,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:51,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:53,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 08:45:53,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:45:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3067 [2020-10-27 08:45:53,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:45:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 08:45:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 08:45:54,859 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:45:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:45:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:54,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 08:45:55,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:45:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:45:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:45:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:45:55,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:45:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:45:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:45:55,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:45:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:45:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:45:55,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:45:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:45:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:45:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:45:55,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:45:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:45:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:45:55,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:45:55,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:45:55,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:45:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:45:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:45:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:45:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:45:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:45:55,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:45:55,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:45:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:45:55,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:45:55,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:45:55,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:45:55,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:45:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:45:55,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:45:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:45:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:45:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:45:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:45:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:45:55,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365873583] [2020-10-27 08:45:55,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:45:55,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 08:45:55,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367630396] [2020-10-27 08:45:55,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 08:45:55,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:45:55,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 08:45:55,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 08:45:55,596 INFO L87 Difference]: Start difference. First operand 570 states. Second operand 8 states. [2020-10-27 08:45:56,451 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:45:57,614 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-27 08:45:58,520 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-27 08:46:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:46:07,584 INFO L93 Difference]: Finished difference Result 1295 states and 1774 transitions. [2020-10-27 08:46:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:46:07,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-27 08:46:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:46:07,610 INFO L225 Difference]: With dead ends: 1295 [2020-10-27 08:46:07,610 INFO L226 Difference]: Without dead ends: 744 [2020-10-27 08:46:07,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2020-10-27 08:46:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-10-27 08:46:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 515. [2020-10-27 08:46:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-27 08:46:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 653 transitions. [2020-10-27 08:46:07,842 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 653 transitions. Word has length 58 [2020-10-27 08:46:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:46:07,843 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 653 transitions. [2020-10-27 08:46:07,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 08:46:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 653 transitions. [2020-10-27 08:46:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 08:46:07,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:46:07,848 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:07,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:46:07,848 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:46:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:46:07,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1133378988, now seen corresponding path program 1 times [2020-10-27 08:46:07,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:46:07,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870001953] [2020-10-27 08:46:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:46:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 08:46:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:46:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2021 [2020-10-27 08:46:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:46:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 08:46:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:10,745 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:46:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:10,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:10,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:10,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-27 08:46:10,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:46:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:46:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:11,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:46:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:46:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:46:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:46:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:46:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:11,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:46:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:46:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:46:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:11,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:11,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:11,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:46:11,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870001953] [2020-10-27 08:46:11,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:46:11,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:46:11,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028647167] [2020-10-27 08:46:11,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:46:11,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:46:11,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:46:11,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:46:11,264 INFO L87 Difference]: Start difference. First operand 515 states and 653 transitions. Second operand 7 states. [2020-10-27 08:46:12,026 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:46:13,233 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-27 08:46:14,120 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-27 08:46:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:46:22,398 INFO L93 Difference]: Finished difference Result 748 states and 1016 transitions. [2020-10-27 08:46:22,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:46:22,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-10-27 08:46:22,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:46:22,406 INFO L225 Difference]: With dead ends: 748 [2020-10-27 08:46:22,407 INFO L226 Difference]: Without dead ends: 743 [2020-10-27 08:46:22,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:46:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-27 08:46:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 514. [2020-10-27 08:46:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-10-27 08:46:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 651 transitions. [2020-10-27 08:46:22,574 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 651 transitions. Word has length 59 [2020-10-27 08:46:22,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:46:22,575 INFO L481 AbstractCegarLoop]: Abstraction has 514 states and 651 transitions. [2020-10-27 08:46:22,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:46:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 651 transitions. [2020-10-27 08:46:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 08:46:22,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:46:22,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:22,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:46:22,578 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:46:22,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:46:22,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1104095126, now seen corresponding path program 1 times [2020-10-27 08:46:22,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:46:22,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778790642] [2020-10-27 08:46:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:46:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:22,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:22,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:24,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 08:46:24,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:46:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1676 [2020-10-27 08:46:24,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:46:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 08:46:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:46:25,155 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:46:25,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:25,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-27 08:46:25,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:46:25,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:46:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:25,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:46:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:25,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:46:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:25,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:25,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:46:25,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:46:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:46:25,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:46:25,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:46:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:46:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:46:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:46:25,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:46:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:46:25,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:46:25,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:46:25,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:46:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:25,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:25,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:25,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:25,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:46:25,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778790642] [2020-10-27 08:46:25,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:46:25,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:46:25,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111551176] [2020-10-27 08:46:25,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:46:25,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:46:25,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:46:25,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:46:25,704 INFO L87 Difference]: Start difference. First operand 514 states and 651 transitions. Second operand 7 states. [2020-10-27 08:46:26,466 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:46:27,542 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-27 08:46:28,420 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-27 08:46:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:46:37,067 INFO L93 Difference]: Finished difference Result 747 states and 1014 transitions. [2020-10-27 08:46:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:46:37,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-27 08:46:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:46:37,075 INFO L225 Difference]: With dead ends: 747 [2020-10-27 08:46:37,075 INFO L226 Difference]: Without dead ends: 742 [2020-10-27 08:46:37,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:46:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-27 08:46:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 513. [2020-10-27 08:46:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-10-27 08:46:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 649 transitions. [2020-10-27 08:46:37,206 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 649 transitions. Word has length 60 [2020-10-27 08:46:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:46:37,207 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 649 transitions. [2020-10-27 08:46:37,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:46:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 649 transitions. [2020-10-27 08:46:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 08:46:37,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:46:37,209 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:37,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 08:46:37,209 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:46:37,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:46:37,210 INFO L82 PathProgramCache]: Analyzing trace with hash -191618217, now seen corresponding path program 1 times [2020-10-27 08:46:37,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:46:37,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534981171] [2020-10-27 08:46:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:46:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:37,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:40,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:40,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3217 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 08:46:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,367 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:46:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-27 08:46:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:46:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:46:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:41,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:46:41,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:46:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:41,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:46:41,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:46:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:41,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:46:41,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:46:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:46:41,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:46:41,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:46:41,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:46:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:46:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:46:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:46:41,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:46:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:46:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:46:41,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:46:41,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:46:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:46:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:46:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:46:41,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:46:41,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:41,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:46:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:46:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:46:41,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:46:41,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:46:41,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:46:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:46:41,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:46:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:46:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:46:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:46:41,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:46:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:46:41,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534981171] [2020-10-27 08:46:41,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:46:41,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:46:41,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017815414] [2020-10-27 08:46:41,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:46:41,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:46:41,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:46:41,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:46:41,958 INFO L87 Difference]: Start difference. First operand 513 states and 649 transitions. Second operand 7 states. [2020-10-27 08:46:42,712 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:46:43,794 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-27 08:46:44,648 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-27 08:47:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:47:01,211 INFO L93 Difference]: Finished difference Result 1921 states and 2579 transitions. [2020-10-27 08:47:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 08:47:01,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-10-27 08:47:01,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:47:01,222 INFO L225 Difference]: With dead ends: 1921 [2020-10-27 08:47:01,222 INFO L226 Difference]: Without dead ends: 1429 [2020-10-27 08:47:01,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-27 08:47:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-10-27 08:47:01,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1021. [2020-10-27 08:47:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2020-10-27 08:47:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1305 transitions. [2020-10-27 08:47:01,473 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1305 transitions. Word has length 61 [2020-10-27 08:47:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:47:01,473 INFO L481 AbstractCegarLoop]: Abstraction has 1021 states and 1305 transitions. [2020-10-27 08:47:01,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:47:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1305 transitions. [2020-10-27 08:47:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 08:47:01,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:47:01,476 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:01,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 08:47:01,476 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:47:01,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:47:01,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1964927923, now seen corresponding path program 1 times [2020-10-27 08:47:01,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:47:01,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350998569] [2020-10-27 08:47:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:47:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:01,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:02,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:02,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 08:47:02,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:47:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1297 [2020-10-27 08:47:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 08:47:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,630 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:47:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:47:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 08:47:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:47:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:47:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:47:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:03,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:03,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:03,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:47:03,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:03,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:47:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:03,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:03,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:03,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:47:03,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:47:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:03,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:03,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:47:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:47:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:03,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:04,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:04,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:04,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:47:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:04,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:04,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:47:04,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:47:04,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:47:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:47:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:04,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:04,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:04,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:04,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:04,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:04,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:04,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 08:47:04,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350998569] [2020-10-27 08:47:04,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:47:04,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:47:04,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106017405] [2020-10-27 08:47:04,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:47:04,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:47:04,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:47:04,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:47:04,105 INFO L87 Difference]: Start difference. First operand 1021 states and 1305 transitions. Second operand 7 states. [2020-10-27 08:47:04,897 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:47:05,908 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-27 08:47:06,778 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-27 08:47:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:47:15,666 INFO L93 Difference]: Finished difference Result 1428 states and 1947 transitions. [2020-10-27 08:47:15,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:47:15,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-10-27 08:47:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:47:15,677 INFO L225 Difference]: With dead ends: 1428 [2020-10-27 08:47:15,677 INFO L226 Difference]: Without dead ends: 1401 [2020-10-27 08:47:15,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:47:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2020-10-27 08:47:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1001. [2020-10-27 08:47:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-10-27 08:47:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1282 transitions. [2020-10-27 08:47:15,899 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1282 transitions. Word has length 62 [2020-10-27 08:47:15,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:47:15,900 INFO L481 AbstractCegarLoop]: Abstraction has 1001 states and 1282 transitions. [2020-10-27 08:47:15,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 08:47:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1282 transitions. [2020-10-27 08:47:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 08:47:15,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:47:15,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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 08:47:15,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 08:47:15,906 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:47:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:47:15,906 INFO L82 PathProgramCache]: Analyzing trace with hash 132101769, now seen corresponding path program 1 times [2020-10-27 08:47:15,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:47:15,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598769333] [2020-10-27 08:47:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:47:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:16,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:16,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:16,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:21,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:21,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:21,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-27 08:47:21,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5143 [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 08:47:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,023 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:47:22,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:47:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:22,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-27 08:47:22,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:47:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:47:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:22,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:47:22,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:47:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:22,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:47:22,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:47:22,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:47:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:22,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:47:22,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:47:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:47:22,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:22,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:47:22,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:47:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:47:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:22,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:22,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:47:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:47:22,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:47:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:47:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:22,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:47:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:22,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:22,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:25,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:25,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 08:47:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:47:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3271 [2020-10-27 08:47:25,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:47:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 08:47:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:47:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:25,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:25,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:25,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:25,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:25,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:25,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:25,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:47:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:47:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:47:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:25,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:25,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:25,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:47:25,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:47:25,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:47:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:47:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:47:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:25,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:25,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:47:26,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 08:47:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:47:26,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:26,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:47:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:26,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 08:47:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:47:26,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:26,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:47:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 08:47:26,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:47:26,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:26,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:26,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 08:47:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 08:47:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:47:26,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:47:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:47:26,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:47:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:26,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:26,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:47:26,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:47:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:47:26,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:47:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:47:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:47:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:47:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 08:47:26,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598769333] [2020-10-27 08:47:26,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:47:26,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 08:47:26,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337985265] [2020-10-27 08:47:26,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 08:47:26,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:47:26,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 08:47:26,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:47:26,251 INFO L87 Difference]: Start difference. First operand 1001 states and 1282 transitions. Second operand 15 states. [2020-10-27 08:47:27,070 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:47:28,497 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-27 08:47:29,462 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-27 08:47:31,370 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:47:35,179 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:47:36,081 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:47:36,993 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:47:37,826 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:47:39,626 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-27 08:47:42,185 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-27 08:47:43,057 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-27 08:47:43,973 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-27 08:47:44,858 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-27 08:47:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:47:53,580 INFO L93 Difference]: Finished difference Result 3527 states and 4674 transitions. [2020-10-27 08:47:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 08:47:53,582 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2020-10-27 08:47:53,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:47:53,598 INFO L225 Difference]: With dead ends: 3527 [2020-10-27 08:47:53,598 INFO L226 Difference]: Without dead ends: 2547 [2020-10-27 08:47:53,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=470, Invalid=1422, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 08:47:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2020-10-27 08:47:54,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 1895. [2020-10-27 08:47:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-10-27 08:47:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2426 transitions. [2020-10-27 08:47:54,130 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2426 transitions. Word has length 143 [2020-10-27 08:47:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:47:54,130 INFO L481 AbstractCegarLoop]: Abstraction has 1895 states and 2426 transitions. [2020-10-27 08:47:54,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 08:47:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2426 transitions. [2020-10-27 08:47:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 08:47:54,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:47:54,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:47:54,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 08:47:54,138 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:47:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:47:54,138 INFO L82 PathProgramCache]: Analyzing trace with hash -703982815, now seen corresponding path program 1 times [2020-10-27 08:47:54,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:47:54,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457694881] [2020-10-27 08:47:54,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:47:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:47:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:54,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:54,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:54,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:58,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:58,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:47:59,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:47:59,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 08:47:59,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 08:47:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 08:47:59,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:47:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 08:47:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:47:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 08:47:59,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,001 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:48:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:48:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:00,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 08:48:00,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:48:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:48:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:00,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:48:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:48:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:48:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:48:00,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:48:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:00,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:00,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:48:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:48:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:00,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:48:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:00,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1245 [2020-10-27 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 08:48:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-27 08:48:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 08:48:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:01,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:01,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:01,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:48:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:48:01,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:48:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:48:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:48:01,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:48:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:48:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:01,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:01,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 08:48:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:48:01,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:48:01,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:48:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 08:48:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:01,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:01,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:48:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:48:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:48:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:02,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:02,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:48:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:02,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:02,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:02,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 08:48:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 08:48:02,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:48:02,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:02,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 08:48:02,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 08:48:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:02,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:48:02,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:02,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 08:48:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 08:48:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:48:02,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:02,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:48:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:02,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:48:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:48:02,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:48:02,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 08:48:02,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457694881] [2020-10-27 08:48:02,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:48:02,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 08:48:02,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420207950] [2020-10-27 08:48:02,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 08:48:02,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:48:02,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 08:48:02,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-27 08:48:02,286 INFO L87 Difference]: Start difference. First operand 1895 states and 2426 transitions. Second operand 16 states. [2020-10-27 08:48:03,106 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:48:04,340 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-27 08:48:05,308 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-27 08:48:07,500 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:08,626 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:09,644 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:14,352 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-10-27 08:48:15,277 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-10-27 08:48:16,177 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-10-27 08:48:21,605 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:23,346 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2020-10-27 08:48:25,169 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 08:48:26,447 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 08:48:27,511 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 08:48:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:48:35,297 INFO L93 Difference]: Finished difference Result 4237 states and 5476 transitions. [2020-10-27 08:48:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-27 08:48:35,298 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 149 [2020-10-27 08:48:35,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:48:35,312 INFO L225 Difference]: With dead ends: 4237 [2020-10-27 08:48:35,312 INFO L226 Difference]: Without dead ends: 2363 [2020-10-27 08:48:35,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=560, Invalid=2520, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 08:48:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2020-10-27 08:48:35,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 1881. [2020-10-27 08:48:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2020-10-27 08:48:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2395 transitions. [2020-10-27 08:48:35,795 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2395 transitions. Word has length 149 [2020-10-27 08:48:35,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:48:35,796 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 2395 transitions. [2020-10-27 08:48:35,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 08:48:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2395 transitions. [2020-10-27 08:48:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-27 08:48:35,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:48:35,803 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:35,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 08:48:35,804 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:48:35,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:48:35,804 INFO L82 PathProgramCache]: Analyzing trace with hash 638877749, now seen corresponding path program 1 times [2020-10-27 08:48:35,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:48:35,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151376443] [2020-10-27 08:48:35,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:48:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:35,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:36,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:36,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:40,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 08:48:40,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:48:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-27 08:48:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:41,759 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-27 08:48:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:48:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:48:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:41,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:48:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:41,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:48:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:41,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:41,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:41,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:41,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:48:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:41,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:41,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:41,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:41,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:41,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:41,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:48:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:48:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:48:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 08:48:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 08:48:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:48:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:48:42,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:48:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:48:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:42,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:42,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:48:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:48:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:48:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 08:48:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:42,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:48:42,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 08:48:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 08:48:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:48:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:48:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:43,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:48:43,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:43,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:48:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:43,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:43,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:43,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:43,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 08:48:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:43,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:43,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:43,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:48:43,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:43,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 08:48:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:43,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 08:48:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:43,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:43,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 08:48:44,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:48:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-10-27 08:48:44,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 08:48:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:48:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-27 08:48:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:48:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:48:44,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:48:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:48:44,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:48:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 08:48:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:48:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:48:44,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:48:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:48:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:48:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:48:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:48:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 08:48:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:48:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 08:48:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 08:48:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:48:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 08:48:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:48:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:48:44,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:48:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:48:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:48:44,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:48:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:48:44,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:48:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:48:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:48:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:48:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:48:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-27 08:48:45,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151376443] [2020-10-27 08:48:45,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 08:48:45,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 08:48:45,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436256773] [2020-10-27 08:48:45,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 08:48:45,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:48:45,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 08:48:45,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2020-10-27 08:48:45,069 INFO L87 Difference]: Start difference. First operand 1881 states and 2395 transitions. Second operand 29 states. [2020-10-27 08:48:45,877 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-27 08:48:47,397 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-27 08:48:48,432 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-27 08:48:51,579 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:52,893 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:53,944 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:55,125 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-27 08:48:56,921 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 334 DAG size of output: 323 [2020-10-27 08:48:58,987 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2020-10-27 08:49:01,259 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 335 DAG size of output: 322 [2020-10-27 08:49:02,833 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 325 DAG size of output: 314 [2020-10-27 08:49:04,411 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 331 DAG size of output: 320 [2020-10-27 08:49:05,266 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-27 08:49:06,644 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 08:49:07,811 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 08:49:08,809 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 08:49:10,052 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 08:49:11,951 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 339 DAG size of output: 328