/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=1000 --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 20:02:31,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:02:31,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:02:31,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:02:31,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:02:31,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:02:31,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:02:31,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:02:31,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:02:31,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:02:31,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:02:31,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:02:31,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:02:31,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:02:31,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:02:31,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:02:31,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:02:31,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:02:31,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:02:31,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:02:31,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:02:31,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:02:31,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:02:31,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:02:31,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:02:31,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:02:31,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:02:31,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:02:31,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:02:31,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:02:31,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:02:31,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:02:32,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:02:32,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:02:32,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:02:32,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:02:32,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:02:32,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:02:32,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:02:32,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:02:32,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:02:32,013 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 20:02:32,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:02:32,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:02:32,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:02:32,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:02:32,064 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:02:32,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:02:32,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:02:32,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:02:32,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:02:32,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:02:32,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:02:32,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:02:32,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:02:32,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:02:32,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:02:32,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:02:32,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:02:32,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:02:32,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:02:32,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:02:32,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:02:32,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:02:32,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:02:32,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:02:32,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:02:32,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:02:32,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 20:02:32,072 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=1000;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=1000;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=1000;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=1000;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 20:02:32,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:02:32,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:02:32,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:02:32,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:02:32,593 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:02:32,595 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 20:02:32,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6333fc9/d75d35b0330847f581f7eb175f2443ed/FLAG488107922 [2020-09-24 20:02:33,383 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:02:33,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 20:02:33,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6333fc9/d75d35b0330847f581f7eb175f2443ed/FLAG488107922 [2020-09-24 20:02:33,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e6333fc9/d75d35b0330847f581f7eb175f2443ed [2020-09-24 20:02:33,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:02:33,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:02:33,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:02:33,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:02:33,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:02:33,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:02:33" (1/1) ... [2020-09-24 20:02:33,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671d23f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:33, skipping insertion in model container [2020-09-24 20:02:33,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:02:33" (1/1) ... [2020-09-24 20:02:33,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:02:33,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:02:34,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:02:34,382 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:02:34,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:02:34,675 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:02:34,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34 WrapperNode [2020-09-24 20:02:34,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:02:34,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:02:34,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:02:34,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:02:34,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (1/1) ... [2020-09-24 20:02:34,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:02:34,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:02:34,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:02:34,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:02:34,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (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 20:02:35,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:02:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:02:35,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:02:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 20:02:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 20:02:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 20:02:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 20:02:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 20:02:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 20:02:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-09-24 20:02:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-09-24 20:02:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-09-24 20:02:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-09-24 20:02:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-09-24 20:02:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-09-24 20:02:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-09-24 20:02:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-09-24 20:02:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-09-24 20:02:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-09-24 20:02:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-09-24 20:02:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:02:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 20:02:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 20:02:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2020-09-24 20:02:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2020-09-24 20:02:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 20:02:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 20:02:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 20:02:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 20:02:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-09-24 20:02:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-09-24 20:02:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-09-24 20:02:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 20:02:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-09-24 20:02:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 20:02:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-09-24 20:02:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-09-24 20:02:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-09-24 20:02:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-09-24 20:02:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 20:02:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-09-24 20:02:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 20:02:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 20:02:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-09-24 20:02:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 20:02:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 20:02:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:02:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 20:02:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 20:02:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 20:02:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 20:02:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 20:02:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 20:02:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-09-24 20:02:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-09-24 20:02:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-09-24 20:02:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-09-24 20:02:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 20:02:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-09-24 20:02:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-09-24 20:02:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 20:02:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-09-24 20:02:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:02:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 20:02:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 20:02:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 20:02:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 20:02:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:02:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:02:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:02:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:02:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:02:36,722 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:02:36,723 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 20:02:36,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:02:36 BoogieIcfgContainer [2020-09-24 20:02:36,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:02:36,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:02:36,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:02:36,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:02:36,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:02:33" (1/3) ... [2020-09-24 20:02:36,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec04126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:02:36, skipping insertion in model container [2020-09-24 20:02:36,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:02:34" (2/3) ... [2020-09-24 20:02:36,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec04126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:02:36, skipping insertion in model container [2020-09-24 20:02:36,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:02:36" (3/3) ... [2020-09-24 20:02:36,747 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 20:02:36,761 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:02:36,778 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:02:36,803 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:02:36,853 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:02:36,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:02:36,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:02:36,864 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:02:36,864 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:02:36,865 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:02:36,865 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:02:36,865 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:02:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states. [2020-09-24 20:02:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-24 20:02:36,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:02:36,972 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 20:02:36,972 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:02:36,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:02:36,981 INFO L82 PathProgramCache]: Analyzing trace with hash 569274542, now seen corresponding path program 1 times [2020-09-24 20:02:36,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:02:36,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500437572] [2020-09-24 20:02:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:02:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:38,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:38,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-09-24 20:02:38,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1088 [2020-09-24 20:02:38,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 20:02:38,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 20:02:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 20:02:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:02:39,112 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 20:02:39,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:02:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:02:39,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 20:02:39,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 20:02:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:02:39,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:02:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 20:02:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:02:39,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:02:39,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 20:02:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:02:39,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:02:39,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:02:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:02:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:02:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:39,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 20:02:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:02:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-24 20:02:39,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 20:02:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 20:02:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:02:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 20:02:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-24 20:02:39,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:02:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 20:02:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:02:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:02:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:02:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:02:40,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 20:02:40,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:02:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:02:40,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:40,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 20:02:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:02:40,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:02:40,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 20:02:40,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:40,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:02:40,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 20:02:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:02:40,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:02:40,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:02:40,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 20:02:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 20:02:40,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 20:02:40,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:02:40,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:02:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:02:40,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:02:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 20:02:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:40,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:02:40,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 20:02:40,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:40,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:02:40,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 20:02:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:40,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:02:40,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:02:40,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 20:02:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:02:40,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 20:02:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:02:40,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:02:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:02:40,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:02:40,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 20:02:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:02:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 20:02:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:40,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:02:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 20:02:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:40,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:40,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:40,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:02:40,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:02:40,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:02:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:40,904 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 20:02:40,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500437572] [2020-09-24 20:02:40,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:02:40,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 20:02:40,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98429197] [2020-09-24 20:02:40,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 20:02:40,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:02:40,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 20:02:40,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:02:40,941 INFO L87 Difference]: Start difference. First operand 581 states. Second operand 17 states. [2020-09-24 20:02:42,275 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:42,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:42,741 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:02:43,012 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:43,276 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:43,524 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:02:43,740 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:43,965 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:02:44,283 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:44,522 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:02:44,782 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 20:02:44,986 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 20:02:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:02:49,151 INFO L93 Difference]: Finished difference Result 1081 states and 1239 transitions. [2020-09-24 20:02:49,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 20:02:49,154 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 301 [2020-09-24 20:02:49,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:02:49,180 INFO L225 Difference]: With dead ends: 1081 [2020-09-24 20:02:49,180 INFO L226 Difference]: Without dead ends: 641 [2020-09-24 20:02:49,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2020-09-24 20:02:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-09-24 20:02:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 504. [2020-09-24 20:02:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-09-24 20:02:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 544 transitions. [2020-09-24 20:02:49,345 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 544 transitions. Word has length 301 [2020-09-24 20:02:49,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:02:49,346 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 544 transitions. [2020-09-24 20:02:49,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 20:02:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 544 transitions. [2020-09-24 20:02:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-09-24 20:02:49,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:02:49,355 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 20:02:49,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:02:49,355 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:02:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:02:49,356 INFO L82 PathProgramCache]: Analyzing trace with hash -386211786, now seen corresponding path program 1 times [2020-09-24 20:02:49,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:02:49,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578535049] [2020-09-24 20:02:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:02:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:49,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:50,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:02:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 20:02:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 314 [2020-09-24 20:02:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:50,876 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 20:02:50,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:02:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:50,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:02:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-24 20:02:51,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:02:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 20:02:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 20:02:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:02:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:02:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:02:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:02:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 20:02:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:02:51,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:02:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:02:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 20:02:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:02:51,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 20:02:51,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 20:02:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:02:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:02:51,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:02:51,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 20:02:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 20:02:51,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 20:02:51,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 20:02:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:02:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:02:51,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:02:51,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:02:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 20:02:51,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 20:02:51,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 20:02:51,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 20:02:51,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 20:02:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:51,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:02:51,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:02:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:51,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:02:51,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 20:02:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:02:51,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 20:02:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 20:02:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:02:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 20:02:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:02:51,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 20:02:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:02:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 20:02:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 20:02:51,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 20:02:51,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 20:02:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:02:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:02:51,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:02:51,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 20:02:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:51,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:51,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:51,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 20:02:51,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:02:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:51,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:02:52,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 20:02:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 20:02:52,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:02:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 20:02:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:52,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 20:02:52,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:02:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:02:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:02:52,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:02:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:02:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 20:02:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:02:52,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:02:52,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:02:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 20:02:52,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:52,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:02:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:02:52,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:02:52,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:02:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:02:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:02:52,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:52,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 20:02:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:02:52,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:02:52,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:02:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:02:52,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:02:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 20:02:52,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:02:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:02:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:02:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:02:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:02:52,634 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 20:02:52,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578535049] [2020-09-24 20:02:52,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:02:52,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:02:52,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569982173] [2020-09-24 20:02:52,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:02:52,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:02:52,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:02:52,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:02:52,645 INFO L87 Difference]: Start difference. First operand 504 states and 544 transitions. Second operand 10 states. [2020-09-24 20:02:53,147 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:02:55,503 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-24 20:02:56,145 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-24 20:03:00,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:03:00,386 INFO L93 Difference]: Finished difference Result 1549 states and 1743 transitions. [2020-09-24 20:03:00,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 20:03:00,386 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 315 [2020-09-24 20:03:00,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:03:00,408 INFO L225 Difference]: With dead ends: 1549 [2020-09-24 20:03:00,408 INFO L226 Difference]: Without dead ends: 1546 [2020-09-24 20:03:00,411 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 20:03:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-09-24 20:03:00,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1305. [2020-09-24 20:03:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-09-24 20:03:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1431 transitions. [2020-09-24 20:03:00,564 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1431 transitions. Word has length 315 [2020-09-24 20:03:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:03:00,565 INFO L479 AbstractCegarLoop]: Abstraction has 1305 states and 1431 transitions. [2020-09-24 20:03:00,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:03:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1431 transitions. [2020-09-24 20:03:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 20:03:00,574 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:03:00,574 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 20:03:00,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:03:00,575 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:03:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:03:00,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1407983841, now seen corresponding path program 1 times [2020-09-24 20:03:00,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:03:00,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126792296] [2020-09-24 20:03:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:03:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:00,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:01,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:01,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-09-24 20:03:01,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1053 [2020-09-24 20:03:01,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:03:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 372 [2020-09-24 20:03:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 20:03:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,014 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 20:03:02,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:03:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:03:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-24 20:03:02,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:03:02,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 20:03:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:03:02,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:03:02,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 20:03:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:03:02,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:03:02,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 20:03:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:03:02,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:03:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:03:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:03:02,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:03:02,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 20:03:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 20:03:02,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 20:03:02,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:03:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:03:02,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 20:03:02,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:03:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 20:03:02,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 20:03:02,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:03:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 20:03:02,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 20:03:02,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 20:03:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:03:02,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:03:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:03:02,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 20:03:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:02,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:03:02,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:03:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:03:02,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 20:03:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:03:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:02,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 20:03:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 20:03:02,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:03:02,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:03:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:03:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:02,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 20:03:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:03:02,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:03:02,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:03:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:03:02,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 20:03:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:03:02,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 20:03:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:03:02,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:03:02,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:03:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:03:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:03:02,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 20:03:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:03:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:03:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:03:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:03:02,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:03:02,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 20:03:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:03:02,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:03:02,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:02,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:02,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-24 20:03:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 20:03:02,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 20:03:02,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:02,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 20:03:02,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:03:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:03:02,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 20:03:02,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:03:02,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:03:02,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 20:03:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:02,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:03:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:02,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:03:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:03,141 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 20:03:03,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126792296] [2020-09-24 20:03:03,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:03:03,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 20:03:03,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409656684] [2020-09-24 20:03:03,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:03:03,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:03:03,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:03:03,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:03:03,144 INFO L87 Difference]: Start difference. First operand 1305 states and 1431 transitions. Second operand 7 states. [2020-09-24 20:03:05,731 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-24 20:03:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:03:08,167 INFO L93 Difference]: Finished difference Result 1940 states and 2171 transitions. [2020-09-24 20:03:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:03:08,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-09-24 20:03:08,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:03:08,170 INFO L225 Difference]: With dead ends: 1940 [2020-09-24 20:03:08,171 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:03:08,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:03:08,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:03:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:03:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:03:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:03:08,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2020-09-24 20:03:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:03:08,181 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:03:08,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:03:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:03:08,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:03:08,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:03:08,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:03:08,348 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:03:08,454 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-24 20:03:08,558 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:03:10,255 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 14 [2020-09-24 20:03:10,944 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 20:03:12,003 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 20:03:12,224 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 20:03:15,542 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 20:03:15,768 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 20:03:18,643 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-09-24 20:03:19,030 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141