/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-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 [2020-10-28 03:17:06,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:17:07,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:17:07,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:17:07,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:17:07,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:17:07,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:17:07,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:17:07,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:17:07,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:17:07,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:17:07,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:17:07,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:17:07,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:17:07,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:17:07,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:17:07,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:17:07,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:17:07,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:17:07,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:17:07,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:17:07,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:17:07,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:17:07,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:17:07,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:17:07,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:17:07,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:17:07,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:17:07,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:17:07,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:17:07,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:17:07,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:17:07,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:17:07,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:17:07,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:17:07,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:17:07,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:17:07,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:17:07,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:17:07,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:17:07,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:17:07,149 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 [2020-10-28 03:17:07,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:17:07,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:17:07,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:17:07,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:17:07,203 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:17:07,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:17:07,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:17:07,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:17:07,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:17:07,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:17:07,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:17:07,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:17:07,206 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:17:07,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:17:07,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:17:07,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:17:07,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:17:07,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:17:07,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:17:07,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:17:07,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:17:07,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:17:07,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:17:07,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:17:07,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:17:07,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:17:07,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:17:07,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:17:07,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:17:07,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:17:07,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:17:07,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:17:07,631 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:17:07,632 INFO L432 ainManager$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 [2020-10-28 03:17:07,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48700a49d/40dbc47c995d49aea0121a480e1ea795/FLAG73ae24ff3 [2020-10-28 03:17:08,656 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:17:08,657 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 [2020-10-28 03:17:08,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48700a49d/40dbc47c995d49aea0121a480e1ea795/FLAG73ae24ff3 [2020-10-28 03:17:08,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48700a49d/40dbc47c995d49aea0121a480e1ea795 [2020-10-28 03:17:08,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:17:08,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:17:08,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:17:08,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:17:08,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:17:08,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:17:08" (1/1) ... [2020-10-28 03:17:08,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f613013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:08, skipping insertion in model container [2020-10-28 03:17:08,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:17:08" (1/1) ... [2020-10-28 03:17:08,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:17:08,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:17:09,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:17:10,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:17:10,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:17:10,375 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:17:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10 WrapperNode [2020-10-28 03:17:10,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:17:10,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:17:10,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:17:10,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:17:10,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... [2020-10-28 03:17:10,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:17:10,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:17:10,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:17:10,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:17:10,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:17:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:17:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:17:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-28 03:17:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 03:17:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:17:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 03:17:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 03:17:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 03:17:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2020-10-28 03:17:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2020-10-28 03:17:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 03:17:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-28 03:17:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2020-10-28 03:17:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-28 03:17:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 03:17:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 03:17:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 03:17:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 03:17:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 03:17:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 03:17:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 03:17:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 03:17:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 03:17:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 03:17:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2020-10-28 03:17:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 03:17:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:17:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 03:17:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 03:17:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2020-10-28 03:17:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 03:17:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 03:17:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:17:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-28 03:17:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-28 03:17:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-28 03:17:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:17:10,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:17:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 03:17:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 03:17:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 03:17:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:17:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:17:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:17:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:17:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 03:17:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 03:17:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 03:17:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 03:17:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 03:17:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 03:17:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 03:17:10,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:17:10,696 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 03:17:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-28 03:17:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2020-10-28 03:17:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 03:17:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2020-10-28 03:17:10,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 03:17:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 03:17:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 03:17:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 03:17:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 03:17:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 03:17:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 03:17:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 03:17:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:17:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:17:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 03:17:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 03:17:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 03:17:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 03:17:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:17:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 03:17:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:17:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-28 03:17:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-28 03:17:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:17:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 03:17:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:17:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 03:17:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 03:17:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 03:17:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 03:17:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 03:17:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 03:17:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 03:17:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2020-10-28 03:17:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:17:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 03:17:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:17:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 03:17:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 03:17:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 03:17:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 03:17:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 03:17:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 03:17:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 03:17:11,421 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 03:17:12,223 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 03:17:12,862 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:17:12,862 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 03:17:12,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:17:12 BoogieIcfgContainer [2020-10-28 03:17:12,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:17:12,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:17:12,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:17:12,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:17:12,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:17:08" (1/3) ... [2020-10-28 03:17:12,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799068b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:17:12, skipping insertion in model container [2020-10-28 03:17:12,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:17:10" (2/3) ... [2020-10-28 03:17:12,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799068b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:17:12, skipping insertion in model container [2020-10-28 03:17:12,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:17:12" (3/3) ... [2020-10-28 03:17:12,874 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2020-10-28 03:17:12,886 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:17:12,892 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:17:12,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:17:12,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:17:12,938 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:17:12,938 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:17:12,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:17:12,938 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:17:12,938 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:17:12,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:17:12,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:17:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states. [2020-10-28 03:17:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 03:17:12,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:12,984 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] [2020-10-28 03:17:12,984 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:12,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:12,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1775321223, now seen corresponding path program 1 times [2020-10-28 03:17:13,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:13,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86085559] [2020-10-28 03:17:13,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:16,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 03:17:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:17:16,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2746 [2020-10-28 03:17:16,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:17:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 03:17:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:17:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:17:16,903 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:17:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:17,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 03:17:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:17,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:17:17,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:17:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:17,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:17:17,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:17:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:17:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:17:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:17,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:17:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:17,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:17:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 03:17:17,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:17:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:17:17,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:17:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:17:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 03:17:17,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:17:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 03:17:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:17:17,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:17:17,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:17,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:17,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:17,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:17,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:17,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:17:17,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:17,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 03:17:17,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86085559] [2020-10-28 03:17:17,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:17:17,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:17:17,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242940208] [2020-10-28 03:17:17,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:17:17,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:17:17,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:17:17,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:17:17,349 INFO L87 Difference]: Start difference. First operand 570 states. Second operand 9 states. [2020-10-28 03:17:18,146 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:17:19,261 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 03:17:20,076 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 03:17:21,305 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-28 03:17:22,121 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-28 03:17:37,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:17:37,921 INFO L93 Difference]: Finished difference Result 1803 states and 2430 transitions. [2020-10-28 03:17:37,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 03:17:37,923 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-28 03:17:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:17:37,962 INFO L225 Difference]: With dead ends: 1803 [2020-10-28 03:17:37,962 INFO L226 Difference]: Without dead ends: 1248 [2020-10-28 03:17:37,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-28 03:17:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-10-28 03:17:38,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 952. [2020-10-28 03:17:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2020-10-28 03:17:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1218 transitions. [2020-10-28 03:17:38,325 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1218 transitions. Word has length 58 [2020-10-28 03:17:38,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:17:38,325 INFO L481 AbstractCegarLoop]: Abstraction has 952 states and 1218 transitions. [2020-10-28 03:17:38,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:17:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1218 transitions. [2020-10-28 03:17:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-28 03:17:38,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:38,332 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:17:38,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:17:38,333 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:38,333 INFO L82 PathProgramCache]: Analyzing trace with hash 612179535, now seen corresponding path program 1 times [2020-10-28 03:17:38,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:38,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099157187] [2020-10-28 03:17:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:39,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:39,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:39,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 03:17:39,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:17:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1357 [2020-10-28 03:17:39,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:39,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:17:39,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 03:17:39,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:17:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,499 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:17:40,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:40,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 03:17:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:17:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:17:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:40,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:17:40,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:17:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:40,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:17:40,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:17:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:17:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:17:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:17:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:17:40,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 03:17:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:17:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:17:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:17:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 03:17:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:17:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:17:40,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:17:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:40,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:40,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:17:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:41,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:41,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:17:41,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:17:41,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:41,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:41,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:41,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:41,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:41,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:41,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:41,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:41,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:41,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:41,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 03:17:41,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099157187] [2020-10-28 03:17:41,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:17:41,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:17:41,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297670555] [2020-10-28 03:17:41,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:17:41,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:17:41,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:17:41,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:17:41,086 INFO L87 Difference]: Start difference. First operand 952 states and 1218 transitions. Second operand 10 states. [2020-10-28 03:17:41,827 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:17:43,196 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:17:43,915 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:17:44,660 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-28 03:17:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:17:53,119 INFO L93 Difference]: Finished difference Result 2177 states and 2837 transitions. [2020-10-28 03:17:53,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:17:53,126 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2020-10-28 03:17:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:17:53,138 INFO L225 Difference]: With dead ends: 2177 [2020-10-28 03:17:53,139 INFO L226 Difference]: Without dead ends: 1244 [2020-10-28 03:17:53,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:17:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2020-10-28 03:17:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 953. [2020-10-28 03:17:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-10-28 03:17:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1219 transitions. [2020-10-28 03:17:53,373 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1219 transitions. Word has length 75 [2020-10-28 03:17:53,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:17:53,374 INFO L481 AbstractCegarLoop]: Abstraction has 953 states and 1219 transitions. [2020-10-28 03:17:53,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:17:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1219 transitions. [2020-10-28 03:17:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-28 03:17:53,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:53,378 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-10-28 03:17:53,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:17:53,378 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:53,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1366445179, now seen corresponding path program 2 times [2020-10-28 03:17:53,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:53,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914578238] [2020-10-28 03:17:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:54,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:54,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:54,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 03:17:54,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:17:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-28 03:17:54,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:17:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 03:17:54,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:17:54,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:55,495 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:17:55,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:17:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:55,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 03:17:55,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:55,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:17:55,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:55,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:17:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:17:55,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:17:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:55,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:17:55,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:17:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:17:55,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:17:55,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:55,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:17:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:55,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:55,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:55,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:17:55,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:55,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 03:17:55,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:17:55,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:17:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:17:55,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:55,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 03:17:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:56,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:56,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:56,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:17:56,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:17:56,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:17:56,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:56,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:56,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:56,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:56,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:56,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:17:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 03:17:56,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:56,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:56,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:17:56,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:17:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:17:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:56,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:56,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:56,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:17:56,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:17:56,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:17:56,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:17:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:56,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:17:56,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:17:56,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:17:56,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:17:56,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:17:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:17:56,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:17:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:17:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:17:56,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 03:17:56,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914578238] [2020-10-28 03:17:56,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:17:56,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 03:17:56,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236210924] [2020-10-28 03:17:56,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 03:17:56,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:17:56,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 03:17:56,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:17:56,187 INFO L87 Difference]: Start difference. First operand 953 states and 1219 transitions. Second operand 11 states. [2020-10-28 03:17:56,859 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:17:58,400 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:17:59,118 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:17:59,877 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:00,676 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-28 03:18:09,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:18:09,546 INFO L93 Difference]: Finished difference Result 2178 states and 2838 transitions. [2020-10-28 03:18:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:18:09,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-10-28 03:18:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:18:09,558 INFO L225 Difference]: With dead ends: 2178 [2020-10-28 03:18:09,559 INFO L226 Difference]: Without dead ends: 1245 [2020-10-28 03:18:09,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-28 03:18:09,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-10-28 03:18:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 954. [2020-10-28 03:18:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-10-28 03:18:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1220 transitions. [2020-10-28 03:18:09,778 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1220 transitions. Word has length 76 [2020-10-28 03:18:09,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:18:09,778 INFO L481 AbstractCegarLoop]: Abstraction has 954 states and 1220 transitions. [2020-10-28 03:18:09,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 03:18:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1220 transitions. [2020-10-28 03:18:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 03:18:09,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:18:09,781 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:18:09,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:18:09,782 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:18:09,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:18:09,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1021123633, now seen corresponding path program 3 times [2020-10-28 03:18:09,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:18:09,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452473372] [2020-10-28 03:18:09,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:18:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:09,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:10,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:11,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:11,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 03:18:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:18:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1431 [2020-10-28 03:18:11,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:18:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 03:18:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:18:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,002 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:18:12,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:18:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:12,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 03:18:12,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:12,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:18:12,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:18:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:12,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:18:12,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:18:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:18:12,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:18:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:18:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:18:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:18:12,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 03:18:12,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:18:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:18:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:18:12,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 03:18:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:18:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:18:12,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:18:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:18:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:18:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:18:12,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:18:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:12,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:12,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:12,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 03:18:12,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452473372] [2020-10-28 03:18:12,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:18:12,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 03:18:12,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495897960] [2020-10-28 03:18:12,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 03:18:12,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:18:12,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 03:18:12,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 03:18:12,580 INFO L87 Difference]: Start difference. First operand 954 states and 1220 transitions. Second operand 12 states. [2020-10-28 03:18:13,271 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:18:14,796 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:18:15,595 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:16,321 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:17,103 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:17,860 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-28 03:18:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:18:26,783 INFO L93 Difference]: Finished difference Result 2179 states and 2839 transitions. [2020-10-28 03:18:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:18:26,783 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 77 [2020-10-28 03:18:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:18:26,791 INFO L225 Difference]: With dead ends: 2179 [2020-10-28 03:18:26,791 INFO L226 Difference]: Without dead ends: 1246 [2020-10-28 03:18:26,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2020-10-28 03:18:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2020-10-28 03:18:26,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 955. [2020-10-28 03:18:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2020-10-28 03:18:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1221 transitions. [2020-10-28 03:18:26,974 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1221 transitions. Word has length 77 [2020-10-28 03:18:26,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:18:26,975 INFO L481 AbstractCegarLoop]: Abstraction has 955 states and 1221 transitions. [2020-10-28 03:18:26,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 03:18:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1221 transitions. [2020-10-28 03:18:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-28 03:18:26,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:18:26,978 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:18:26,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:18:26,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:18:26,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:18:26,979 INFO L82 PathProgramCache]: Analyzing trace with hash -2021312773, now seen corresponding path program 4 times [2020-10-28 03:18:26,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:18:26,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410834219] [2020-10-28 03:18:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:18:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:27,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:18:27,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 03:18:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,069 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:18:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:18:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:18:28,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:18:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:18:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:28,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:28,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:28,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:18:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:18:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:18:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:18:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:18:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:18:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 03:18:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:18:28,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 03:18:28,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:18:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:18:28,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:18:28,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:28,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:18:28,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:18:28,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:28,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:28,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:28,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:18:28,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:18:28,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410834219] [2020-10-28 03:18:28,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:18:28,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:18:28,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620303382] [2020-10-28 03:18:28,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:18:28,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:18:28,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:18:28,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:18:28,684 INFO L87 Difference]: Start difference. First operand 955 states and 1221 transitions. Second operand 8 states. [2020-10-28 03:18:29,386 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:18:30,276 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:18:31,072 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:18:38,497 INFO L93 Difference]: Finished difference Result 1250 states and 1645 transitions. [2020-10-28 03:18:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:18:38,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-28 03:18:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:18:38,507 INFO L225 Difference]: With dead ends: 1250 [2020-10-28 03:18:38,507 INFO L226 Difference]: Without dead ends: 1245 [2020-10-28 03:18:38,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:18:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-10-28 03:18:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 954. [2020-10-28 03:18:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-10-28 03:18:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1219 transitions. [2020-10-28 03:18:38,721 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1219 transitions. Word has length 78 [2020-10-28 03:18:38,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:18:38,721 INFO L481 AbstractCegarLoop]: Abstraction has 954 states and 1219 transitions. [2020-10-28 03:18:38,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:18:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1219 transitions. [2020-10-28 03:18:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 03:18:38,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:18:38,724 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:18:38,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:18:38,724 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:18:38,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:18:38,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1430051424, now seen corresponding path program 1 times [2020-10-28 03:18:38,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:18:38,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176264961] [2020-10-28 03:18:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:18:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 03:18:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-28 03:18:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:18:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-28 03:18:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-10-28 03:18:40,034 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:18:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:18:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:18:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:40,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:18:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:40,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:18:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:40,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:18:40,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:18:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:18:40,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:18:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:18:40,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 03:18:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:18:40,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:18:40,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:18:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:18:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:40,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:40,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:40,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:40,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:18:40,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:18:40,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176264961] [2020-10-28 03:18:40,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:18:40,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:18:40,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484658935] [2020-10-28 03:18:40,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:18:40,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:18:40,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:18:40,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:18:40,649 INFO L87 Difference]: Start difference. First operand 954 states and 1219 transitions. Second operand 9 states. [2020-10-28 03:18:41,350 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:18:42,313 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:18:43,125 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:18:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:18:50,895 INFO L93 Difference]: Finished difference Result 1249 states and 1643 transitions. [2020-10-28 03:18:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:18:50,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-28 03:18:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:18:50,903 INFO L225 Difference]: With dead ends: 1249 [2020-10-28 03:18:50,903 INFO L226 Difference]: Without dead ends: 1244 [2020-10-28 03:18:50,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-10-28 03:18:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2020-10-28 03:18:51,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 953. [2020-10-28 03:18:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-10-28 03:18:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1217 transitions. [2020-10-28 03:18:51,155 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1217 transitions. Word has length 79 [2020-10-28 03:18:51,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:18:51,155 INFO L481 AbstractCegarLoop]: Abstraction has 953 states and 1217 transitions. [2020-10-28 03:18:51,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:18:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1217 transitions. [2020-10-28 03:18:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 03:18:51,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:18:51,158 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:18:51,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 03:18:51,158 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:18:51,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:18:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1052836318, now seen corresponding path program 1 times [2020-10-28 03:18:51,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:18:51,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678783104] [2020-10-28 03:18:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:18:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:51,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:51,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:18:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 03:18:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,346 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:18:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:18:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:52,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-28 03:18:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:18:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:52,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:52,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:18:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:18:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:52,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:18:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:18:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:18:52,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:18:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:18:52,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 03:18:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:18:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:18:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:18:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:18:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:18:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:18:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:18:52,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:18:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:18:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:18:52,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:18:52,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:18:52,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:18:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:18:52,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:18:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:18:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:18:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:18:52,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:18:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:18:52,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678783104] [2020-10-28 03:18:52,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:18:52,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:18:52,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680002679] [2020-10-28 03:18:52,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:18:52,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:18:52,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:18:52,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:18:52,977 INFO L87 Difference]: Start difference. First operand 953 states and 1217 transitions. Second operand 8 states. [2020-10-28 03:18:53,722 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:18:54,703 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 03:18:55,556 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 03:19:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:19:03,017 INFO L93 Difference]: Finished difference Result 1248 states and 1641 transitions. [2020-10-28 03:19:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:19:03,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 03:19:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:19:03,024 INFO L225 Difference]: With dead ends: 1248 [2020-10-28 03:19:03,024 INFO L226 Difference]: Without dead ends: 1243 [2020-10-28 03:19:03,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:19:03,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2020-10-28 03:19:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 952. [2020-10-28 03:19:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2020-10-28 03:19:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1215 transitions. [2020-10-28 03:19:03,262 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1215 transitions. Word has length 80 [2020-10-28 03:19:03,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:19:03,262 INFO L481 AbstractCegarLoop]: Abstraction has 952 states and 1215 transitions. [2020-10-28 03:19:03,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:19:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1215 transitions. [2020-10-28 03:19:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 03:19:03,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:19:03,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:19:03,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 03:19:03,265 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:19:03,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:19:03,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2046220189, now seen corresponding path program 1 times [2020-10-28 03:19:03,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:19:03,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792751543] [2020-10-28 03:19:03,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:19:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:03,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:04,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-28 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:04,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:19:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 03:19:04,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:04,852 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:19:04,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:19:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:04,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:04,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:04,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:04,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:19:04,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:05,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:05,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:19:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:05,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:19:05,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:05,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:19:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:05,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:05,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:19:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:19:05,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:19:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:19:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:19:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 03:19:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:19:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:19:05,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:19:05,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:05,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:05,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:05,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:05,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:05,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:19:05,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:05,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:05,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:05,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:05,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:19:05,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792751543] [2020-10-28 03:19:05,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:19:05,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:19:05,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554396813] [2020-10-28 03:19:05,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:19:05,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:19:05,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:19:05,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:19:05,344 INFO L87 Difference]: Start difference. First operand 952 states and 1215 transitions. Second operand 8 states. [2020-10-28 03:19:06,183 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:19:07,060 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 03:19:07,840 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 03:19:21,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:19:21,935 INFO L93 Difference]: Finished difference Result 3338 states and 4378 transitions. [2020-10-28 03:19:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 03:19:21,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-28 03:19:21,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:19:21,955 INFO L225 Difference]: With dead ends: 3338 [2020-10-28 03:19:21,955 INFO L226 Difference]: Without dead ends: 2411 [2020-10-28 03:19:21,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-10-28 03:19:21,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2020-10-28 03:19:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 1915. [2020-10-28 03:19:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1915 states. [2020-10-28 03:19:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2469 transitions. [2020-10-28 03:19:22,419 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2469 transitions. Word has length 81 [2020-10-28 03:19:22,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:19:22,419 INFO L481 AbstractCegarLoop]: Abstraction has 1915 states and 2469 transitions. [2020-10-28 03:19:22,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:19:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2469 transitions. [2020-10-28 03:19:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 03:19:22,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:19:22,421 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:19:22,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 03:19:22,422 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:19:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:19:22,422 INFO L82 PathProgramCache]: Analyzing trace with hash 671953089, now seen corresponding path program 1 times [2020-10-28 03:19:22,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:19:22,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272399034] [2020-10-28 03:19:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:19:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:22,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:22,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:22,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 03:19:22,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-28 03:19:22,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 03:19:22,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,732 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:19:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:19:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:23,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:23,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:19:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:23,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:23,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:23,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:23,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:23,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:19:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:23,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:23,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:23,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:23,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:23,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:23,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:19:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:23,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:23,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:23,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:23,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:19:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:19:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:23,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:23,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:23,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:19:23,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:19:23,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:23,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:19:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:19:24,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:19:24,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:19:24,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 03:19:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:19:24,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 03:19:24,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:19:24,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:19:24,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 03:19:24,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:24,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:24,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:24,228 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:19:24,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272399034] [2020-10-28 03:19:24,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:19:24,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:19:24,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269833591] [2020-10-28 03:19:24,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:19:24,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:19:24,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:19:24,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:19:24,230 INFO L87 Difference]: Start difference. First operand 1915 states and 2469 transitions. Second operand 8 states. [2020-10-28 03:19:25,010 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:19:25,914 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-28 03:19:26,717 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 03:19:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:19:34,659 INFO L93 Difference]: Finished difference Result 2405 states and 3175 transitions. [2020-10-28 03:19:34,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:19:34,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2020-10-28 03:19:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:19:34,674 INFO L225 Difference]: With dead ends: 2405 [2020-10-28 03:19:34,675 INFO L226 Difference]: Without dead ends: 2381 [2020-10-28 03:19:34,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:19:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2020-10-28 03:19:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1895. [2020-10-28 03:19:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-10-28 03:19:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2445 transitions. [2020-10-28 03:19:35,237 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2445 transitions. Word has length 82 [2020-10-28 03:19:35,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:19:35,237 INFO L481 AbstractCegarLoop]: Abstraction has 1895 states and 2445 transitions. [2020-10-28 03:19:35,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:19:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2445 transitions. [2020-10-28 03:19:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-28 03:19:35,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:19:35,245 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1] [2020-10-28 03:19:35,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 03:19:35,246 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:19:35,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:19:35,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1622839803, now seen corresponding path program 1 times [2020-10-28 03:19:35,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:19:35,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358955061] [2020-10-28 03:19:35,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:19:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:35,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:35,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:38,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:39,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:40,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:40,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 03:19:40,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:19:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,065 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:19:41,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:19:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 03:19:41,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:19:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:19:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:19:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:19:41,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:41,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:19:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:19:41,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:19:41,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 03:19:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:41,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:19:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:19:41,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:19:41,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:41,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:41,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 03:19:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:19:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 03:19:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:19:41,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 03:19:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 03:19:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:19:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 03:19:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:41,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 03:19:41,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:19:41,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 03:19:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 03:19:41,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:19:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:19:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:19:41,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:19:41,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 03:19:41,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 03:19:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:41,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:19:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:41,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:41,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:19:41,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:42,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 03:19:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:42,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:42,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:42,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:42,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:42,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:42,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:42,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:19:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:42,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:42,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:42,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:19:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-28 03:19:42,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358955061] [2020-10-28 03:19:42,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:19:42,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:19:42,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799946131] [2020-10-28 03:19:42,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:19:42,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:19:42,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:19:42,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:19:42,101 INFO L87 Difference]: Start difference. First operand 1895 states and 2445 transitions. Second operand 9 states. [2020-10-28 03:19:42,810 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:19:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:19:53,076 INFO L93 Difference]: Finished difference Result 4285 states and 5630 transitions. [2020-10-28 03:19:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:19:53,077 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-28 03:19:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:19:53,091 INFO L225 Difference]: With dead ends: 4285 [2020-10-28 03:19:53,091 INFO L226 Difference]: Without dead ends: 2415 [2020-10-28 03:19:53,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:19:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2020-10-28 03:19:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1857. [2020-10-28 03:19:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2020-10-28 03:19:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2379 transitions. [2020-10-28 03:19:53,501 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2379 transitions. Word has length 158 [2020-10-28 03:19:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:19:53,502 INFO L481 AbstractCegarLoop]: Abstraction has 1857 states and 2379 transitions. [2020-10-28 03:19:53,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:19:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2379 transitions. [2020-10-28 03:19:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-28 03:19:53,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:19:53,508 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1] [2020-10-28 03:19:53,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 03:19:53,508 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:19:53,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:19:53,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1935349691, now seen corresponding path program 1 times [2020-10-28 03:19:53,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:19:53,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486878993] [2020-10-28 03:19:53,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:19:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:53,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:53,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:58,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:58,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 03:19:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 03:19:58,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-28 03:19:58,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:19:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 03:19:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:19:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,297 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:19:59,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:19:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:19:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:59,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:19:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:19:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:59,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:59,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:19:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:19:59,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:59,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:19:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:19:59,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:19:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 03:19:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:19:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:19:59,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:19:59,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 03:19:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:59,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 03:19:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:19:59,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:59,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:59,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 03:19:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 03:19:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:19:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 03:19:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:19:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:19:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:19:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:19:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:19:59,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:19:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:19:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:19:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 03:19:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:19:59,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:19:59,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:19:59,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 03:19:59,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:19:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:19:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:19:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:00,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:20:00,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:20:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 03:20:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:20:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:00,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 03:20:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:00,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:00,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:00,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:20:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:00,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:00,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:00,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:00,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:00,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-28 03:20:00,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486878993] [2020-10-28 03:20:00,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:20:00,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 03:20:00,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670811131] [2020-10-28 03:20:00,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 03:20:00,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:20:00,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 03:20:00,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:20:00,202 INFO L87 Difference]: Start difference. First operand 1857 states and 2379 transitions. Second operand 11 states. [2020-10-28 03:20:00,955 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:20:08,428 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:20:09,331 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-28 03:20:10,055 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:20:10,830 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-28 03:20:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:20:13,672 INFO L93 Difference]: Finished difference Result 4008 states and 5181 transitions. [2020-10-28 03:20:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 03:20:13,673 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-28 03:20:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:20:13,684 INFO L225 Difference]: With dead ends: 4008 [2020-10-28 03:20:13,685 INFO L226 Difference]: Without dead ends: 2160 [2020-10-28 03:20:13,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-10-28 03:20:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2020-10-28 03:20:14,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1861. [2020-10-28 03:20:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1861 states. [2020-10-28 03:20:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2383 transitions. [2020-10-28 03:20:14,127 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2383 transitions. Word has length 158 [2020-10-28 03:20:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:20:14,128 INFO L481 AbstractCegarLoop]: Abstraction has 1861 states and 2383 transitions. [2020-10-28 03:20:14,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 03:20:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2383 transitions. [2020-10-28 03:20:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 03:20:14,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:20:14,133 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1] [2020-10-28 03:20:14,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 03:20:14,134 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:20:14,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:20:14,134 INFO L82 PathProgramCache]: Analyzing trace with hash 603227460, now seen corresponding path program 1 times [2020-10-28 03:20:14,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:20:14,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793930631] [2020-10-28 03:20:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:20:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:14,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:14,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:14,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:14,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:18,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:19,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 03:20:19,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 03:20:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:19,930 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:20:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:20:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:19,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:19,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:19,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:20:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:20:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:20:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:20,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:20:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:20:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:20:20,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:20:20,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 03:20:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:20:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:20:20,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:20,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 03:20:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 03:20:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:20:20,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 03:20:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 03:20:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:20:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 03:20:20,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:20:20,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 03:20:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 03:20:20,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 03:20:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:20:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 03:20:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 03:20:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 03:20:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 03:20:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 03:20:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:20,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:20,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:20,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-28 03:20:20,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793930631] [2020-10-28 03:20:20,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:20:20,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 03:20:20,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939717642] [2020-10-28 03:20:20,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:20:20,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:20:20,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:20:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:20:20,770 INFO L87 Difference]: Start difference. First operand 1861 states and 2383 transitions. Second operand 10 states. [2020-10-28 03:20:21,539 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-28 03:20:27,325 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-28 03:20:28,184 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-28 03:20:29,077 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-28 03:20:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:20:31,244 INFO L93 Difference]: Finished difference Result 3996 states and 5165 transitions. [2020-10-28 03:20:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:20:31,245 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-10-28 03:20:31,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:20:31,257 INFO L225 Difference]: With dead ends: 3996 [2020-10-28 03:20:31,257 INFO L226 Difference]: Without dead ends: 2156 [2020-10-28 03:20:31,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:20:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2020-10-28 03:20:31,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1865. [2020-10-28 03:20:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2020-10-28 03:20:31,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2387 transitions. [2020-10-28 03:20:31,627 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2387 transitions. Word has length 159 [2020-10-28 03:20:31,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:20:31,627 INFO L481 AbstractCegarLoop]: Abstraction has 1865 states and 2387 transitions. [2020-10-28 03:20:31,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:20:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2387 transitions. [2020-10-28 03:20:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 03:20:31,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:20:31,634 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:20:31,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 03:20:31,634 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:20:31,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:20:31,634 INFO L82 PathProgramCache]: Analyzing trace with hash 900029863, now seen corresponding path program 1 times [2020-10-28 03:20:31,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:20:31,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825820505] [2020-10-28 03:20:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:20:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:31,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:31,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:36,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 03:20:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:20:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,565 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 03:20:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:20:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:20:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:37,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:20:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 03:20:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:20:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:20:37,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:20:37,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:20:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 03:20:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:20:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:20:37,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 03:20:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:20:37,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 03:20:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 03:20:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 03:20:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:20:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 03:20:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:20:37,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:20:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:20:37,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:20:37,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:20:37,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:20:37,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:20:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:20:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:20:37,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:20:37,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:20:37,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 03:20:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:20:37,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:20:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking...