/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:58:16,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:58:16,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:58:16,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:58:16,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:58:16,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:58:16,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:58:16,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:58:16,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:58:16,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:58:16,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:58:16,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:58:16,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:58:16,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:58:16,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:58:16,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:58:16,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:58:16,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:58:16,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:58:16,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:58:16,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:58:16,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:58:16,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:58:16,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:58:16,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:58:16,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:58:16,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:58:16,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:58:16,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:58:16,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:58:16,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:58:16,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:58:16,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:58:16,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:58:16,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:58:16,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:58:16,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:58:16,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:58:16,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:58:16,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:58:16,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:58:16,520 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 [2020-09-24 18:58:16,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:58:16,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:58:16,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:58:16,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:58:16,574 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:58:16,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:58:16,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:58:16,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:58:16,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:58:16,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:58:16,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:58:16,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:58:16,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:58:16,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:58:16,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:58:16,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:58:16,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:58:16,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:58:16,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:58:16,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:58:16,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:58:16,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:58:16,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:58:16,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:58:16,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:58:16,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:58:16,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 18:58:16,583 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> SingleStatement 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=SMALLEST;log-additional-information=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=SMALLEST;log-additional-information=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=SMALLEST;log-additional-information=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=SMALLEST;log-additional-information=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=SMALLEST;log-additional-information=true; [2020-09-24 18:58:17,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:58:17,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:58:17,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:58:17,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:58:17,061 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:58:17,063 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 18:58:17,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5545c2e8/9574d86762f94ace99cff681b8d2a229/FLAGf302fe7cd [2020-09-24 18:58:17,867 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:58:17,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 18:58:17,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5545c2e8/9574d86762f94ace99cff681b8d2a229/FLAGf302fe7cd [2020-09-24 18:58:18,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5545c2e8/9574d86762f94ace99cff681b8d2a229 [2020-09-24 18:58:18,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:58:18,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:58:18,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:58:18,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:58:18,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:58:18,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:58:18" (1/1) ... [2020-09-24 18:58:18,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50498e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:18, skipping insertion in model container [2020-09-24 18:58:18,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:58:18" (1/1) ... [2020-09-24 18:58:18,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:58:18,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:58:18,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:58:18,904 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:58:19,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:58:19,166 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:58:19,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19 WrapperNode [2020-09-24 18:58:19,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:58:19,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:58:19,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:58:19,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:58:19,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (1/1) ... [2020-09-24 18:58:19,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:58:19,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:58:19,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:58:19,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:58:19,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (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 [2020-09-24 18:58:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:58:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:58:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:58:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 18:58:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 18:58:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 18:58:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 18:58:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 18:58:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 18:58:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-09-24 18:58:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-09-24 18:58:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-09-24 18:58:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-09-24 18:58:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-09-24 18:58:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-09-24 18:58:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-09-24 18:58:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-09-24 18:58:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-09-24 18:58:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-09-24 18:58:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-09-24 18:58:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:58:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 18:58:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 18:58:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 18:58:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 18:58:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 18:58:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-09-24 18:58:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 18:58:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 18:58:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 18:58:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-09-24 18:58:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-09-24 18:58:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-09-24 18:58:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 18:58:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-09-24 18:58:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-09-24 18:58:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-09-24 18:58:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-09-24 18:58:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 18:58:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-09-24 18:58:19,495 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 18:58:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-09-24 18:58:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-09-24 18:58:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-09-24 18:58:19,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-24 18:58:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-09-24 18:58:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 18:58:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2020-09-24 18:58:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2020-09-24 18:58:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-09-24 18:58:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 18:58:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 18:58:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-09-24 18:58:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 18:58:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 18:58:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-09-24 18:58:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 18:58:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 18:58:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:58:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:58:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 18:58:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 18:58:19,502 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 18:58:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 18:58:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-09-24 18:58:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-09-24 18:58:19,503 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-09-24 18:58:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-09-24 18:58:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-09-24 18:58:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-09-24 18:58:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:58:19,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-09-24 18:58:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:58:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-09-24 18:58:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 18:58:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 18:58:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 18:58:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:58:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 18:58:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 18:58:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:58:21,525 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:58:21,525 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 18:58:21,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:58:21 BoogieIcfgContainer [2020-09-24 18:58:21,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:58:21,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:58:21,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:58:21,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:58:21,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:58:18" (1/3) ... [2020-09-24 18:58:21,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b22f6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:58:21, skipping insertion in model container [2020-09-24 18:58:21,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:58:19" (2/3) ... [2020-09-24 18:58:21,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b22f6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:58:21, skipping insertion in model container [2020-09-24 18:58:21,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:58:21" (3/3) ... [2020-09-24 18:58:21,546 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 18:58:21,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:58:21,571 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:58:21,594 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:58:21,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:58:21,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:58:21,627 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:58:21,627 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:58:21,627 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:58:21,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:58:21,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:58:21,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:58:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states. [2020-09-24 18:58:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-24 18:58:21,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:58:21,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:58:21,689 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:58:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:58:21,696 INFO L82 PathProgramCache]: Analyzing trace with hash 569274542, now seen corresponding path program 1 times [2020-09-24 18:58:21,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:58:21,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515853296] [2020-09-24 18:58:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:58:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:22,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:24,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-09-24 18:58:27,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:58:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 18:58:27,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 18:58:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 18:58:27,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 18:58:27,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:58:27,669 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 18:58:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:58:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:58:27,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 18:58:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 18:58:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:58:27,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:58:27,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 18:58:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:58:27,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:27,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:58:27,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:27,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:27,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 18:58:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 18:58:27,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 18:58:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:27,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:58:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:27,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:27,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:58:27,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:27,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:27,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 18:58:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:27,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 18:58:28,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-24 18:58:28,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 18:58:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 18:58:28,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:58:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 18:58:28,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 18:58:28,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 18:58:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 18:58:28,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:58:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 18:58:28,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 18:58:28,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:58:28,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:58:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:58:28,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 18:58:28,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:58:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:58:28,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 18:58:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:58:28,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 18:58:28,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 18:58:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:28,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:28,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:28,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:28,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 18:58:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:58:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:58:28,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 18:58:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 18:58:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 18:58:28,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:58:28,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 18:58:28,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 18:58:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:28,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:58:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:28,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:28,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 18:58:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:28,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:29,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 18:58:29,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:58:29,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:29,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 18:58:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:29,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:58:29,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 18:58:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 18:58:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:58:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:58:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:58:29,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 18:58:29,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 18:58:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:29,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 18:58:29,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:58:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:29,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:29,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:58:29,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 18:58:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:29,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:29,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:58:29,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:58:29,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:29,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 18:58:29,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-24 18:58:29,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515853296] [2020-09-24 18:58:29,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 18:58:29,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 18:58:29,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549045314] [2020-09-24 18:58:29,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 18:58:29,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:58:29,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 18:58:29,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-09-24 18:58:29,420 INFO L87 Difference]: Start difference. First operand 581 states. Second operand 17 states. [2020-09-24 18:58:31,065 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 18:58:31,353 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 18:58:31,597 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 18:58:31,894 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 18:58:32,192 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 18:58:32,486 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 18:58:32,713 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 18:58:33,013 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 18:58:33,330 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 18:58:33,626 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 18:58:33,884 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 18:58:34,105 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 18:58:39,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:58:39,199 INFO L93 Difference]: Finished difference Result 1081 states and 1239 transitions. [2020-09-24 18:58:39,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 18:58:39,202 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 301 [2020-09-24 18:58:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:58:39,228 INFO L225 Difference]: With dead ends: 1081 [2020-09-24 18:58:39,228 INFO L226 Difference]: Without dead ends: 641 [2020-09-24 18:58:39,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2020-09-24 18:58:39,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-09-24 18:58:39,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 504. [2020-09-24 18:58:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-09-24 18:58:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 544 transitions. [2020-09-24 18:58:39,366 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 544 transitions. Word has length 301 [2020-09-24 18:58:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:58:39,368 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 544 transitions. [2020-09-24 18:58:39,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 18:58:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 544 transitions. [2020-09-24 18:58:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-09-24 18:58:39,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:58:39,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:58:39,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:58:39,378 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:58:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:58:39,379 INFO L82 PathProgramCache]: Analyzing trace with hash -386211786, now seen corresponding path program 1 times [2020-09-24 18:58:39,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:58:39,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524922821] [2020-09-24 18:58:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:58:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4769 [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 18:58:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 18:58:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 314 [2020-09-24 18:58:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:44,676 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 18:58:44,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:58:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:44,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:44,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:44,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:58:44,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 18:58:44,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:58:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 18:58:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 18:58:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:58:45,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:45,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:58:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 18:58:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:58:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:58:45,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 18:58:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 18:58:45,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 18:58:45,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 18:58:45,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:58:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:58:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:58:45,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 18:58:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 18:58:45,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 18:58:45,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 18:58:45,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:58:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 18:58:45,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 18:58:45,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:58:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 18:58:45,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:58:45,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 18:58:45,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 18:58:45,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 18:58:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:58:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:58:45,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 18:58:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:58:45,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 18:58:45,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:58:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:58:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 18:58:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:58:45,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 18:58:45,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:58:45,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 18:58:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 18:58:45,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 18:58:45,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 18:58:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 18:58:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:58:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:45,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 18:58:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:45,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:58:45,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:58:45,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:45,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 18:58:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 18:58:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:58:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:58:45,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 18:58:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 18:58:45,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:58:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:58:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:58:45,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:58:45,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 18:58:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:58:45,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:58:45,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:58:45,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 18:58:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:58:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:58:45,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:58:45,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:58:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:58:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:58:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 18:58:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:45,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:45,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:58:45,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:58:45,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:58:45,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:58:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 18:58:45,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:58:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-09-24 18:58:46,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524922821] [2020-09-24 18:58:46,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:58:46,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:58:46,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752840575] [2020-09-24 18:58:46,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:58:46,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:58:46,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:58:46,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:58:46,131 INFO L87 Difference]: Start difference. First operand 504 states and 544 transitions. Second operand 10 states. [2020-09-24 18:58:46,510 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 18:58:48,845 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-24 18:58:49,458 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-24 18:58:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:58:54,183 INFO L93 Difference]: Finished difference Result 1549 states and 1743 transitions. [2020-09-24 18:58:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 18:58:54,184 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2020-09-24 18:58:54,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:58:54,197 INFO L225 Difference]: With dead ends: 1549 [2020-09-24 18:58:54,197 INFO L226 Difference]: Without dead ends: 1546 [2020-09-24 18:58:54,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-09-24 18:58:54,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-09-24 18:58:54,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1305. [2020-09-24 18:58:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-09-24 18:58:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1431 transitions. [2020-09-24 18:58:54,357 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1431 transitions. Word has length 315 [2020-09-24 18:58:54,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:58:54,359 INFO L479 AbstractCegarLoop]: Abstraction has 1305 states and 1431 transitions. [2020-09-24 18:58:54,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:58:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1431 transitions. [2020-09-24 18:58:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 18:58:54,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:58:54,368 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:58:54,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:58:54,369 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:58:54,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:58:54,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1407983841, now seen corresponding path program 1 times [2020-09-24 18:58:54,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:58:54,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944250570] [2020-09-24 18:58:54,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:58:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:58:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:58:59,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:58:59,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 372 [2020-09-24 18:58:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 18:58:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:58:59,997 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 18:58:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 18:59:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 18:59:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 18:59:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:59:00,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:59:00,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:00,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 18:59:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:59:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 18:59:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 18:59:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 18:59:00,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 18:59:00,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:59:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:59:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 18:59:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 18:59:00,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 18:59:00,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:59:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 18:59:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 18:59:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:59:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 18:59:00,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:00,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 18:59:00,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:00,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 18:59:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:59:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:59:00,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 18:59:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:00,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:00,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:59:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 18:59:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:00,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:59:00,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 18:59:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 18:59:00,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:00,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 18:59:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:59:00,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:59:00,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 18:59:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:59:00,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:00,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:00,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 18:59:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 18:59:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 18:59:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:59:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:59:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 18:59:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:59:00,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:00,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:00,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:00,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 18:59:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:00,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 18:59:00,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-24 18:59:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 18:59:00,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 18:59:00,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:59:00,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:59:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:01,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 18:59:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:01,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:01,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:01,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 18:59:01,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-24 18:59:01,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944250570] [2020-09-24 18:59:01,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 18:59:01,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 18:59:01,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799377014] [2020-09-24 18:59:01,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:59:01,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:01,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:59:01,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:59:01,236 INFO L87 Difference]: Start difference. First operand 1305 states and 1431 transitions. Second operand 7 states. [2020-09-24 18:59:04,377 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-24 18:59:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:07,309 INFO L93 Difference]: Finished difference Result 1940 states and 2171 transitions. [2020-09-24 18:59:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 18:59:07,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-09-24 18:59:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:07,312 INFO L225 Difference]: With dead ends: 1940 [2020-09-24 18:59:07,312 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:59:07,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-09-24 18:59:07,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:59:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:59:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:59:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:59:07,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2020-09-24 18:59:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:07,318 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:59:07,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:59:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:59:07,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:59:07,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:59:07,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:59:07,438 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136