/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --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 21:10:53,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:10:53,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:10:53,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:10:53,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:10:53,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:10:53,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:10:53,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:10:53,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:10:53,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:10:53,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:10:53,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:10:53,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:10:53,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:10:53,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:10:53,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:10:53,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:10:53,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:10:53,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:10:53,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:10:53,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:10:53,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:10:53,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:10:53,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:10:53,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:10:53,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:10:53,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:10:53,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:10:53,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:10:53,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:10:53,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:10:53,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:10:53,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:10:53,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:10:53,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:10:53,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:10:53,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:10:53,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:10:53,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:10:53,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:10:53,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:10:53,220 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 21:10:53,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:10:53,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:10:53,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:10:53,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:10:53,273 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:10:53,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:10:53,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:10:53,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:10:53,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:10:53,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:10:53,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:10:53,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:10:53,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:10:53,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:10:53,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:10:53,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:10:53,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:10:53,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:10:53,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:10:53,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:10:53,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:10:53,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:10:53,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:10:53,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:10:53,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:10:53,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:10:53,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 21:10:53,280 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 21:10:53,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:10:53,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:10:53,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:10:53,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:10:53,791 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:10:53,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 21:10:53,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/641962b79/d969a6d9f1de49b4853bcecd17b06aac/FLAGe84f67521 [2020-09-24 21:10:54,577 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:10:54,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 21:10:54,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/641962b79/d969a6d9f1de49b4853bcecd17b06aac/FLAGe84f67521 [2020-09-24 21:10:54,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/641962b79/d969a6d9f1de49b4853bcecd17b06aac [2020-09-24 21:10:54,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:10:54,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:10:54,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:10:54,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:10:54,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:10:54,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:10:54" (1/1) ... [2020-09-24 21:10:54,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:54, skipping insertion in model container [2020-09-24 21:10:54,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:10:54" (1/1) ... [2020-09-24 21:10:54,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:10:54,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:10:55,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:10:55,705 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:10:55,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:10:55,945 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:10:55,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55 WrapperNode [2020-09-24 21:10:55,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:10:55,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:10:55,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:10:55,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:10:55,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:55,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (1/1) ... [2020-09-24 21:10:56,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:10:56,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:10:56,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:10:56,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:10:56,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (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 21:10:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:10:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:10:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:10:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 21:10:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 21:10:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 21:10:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 21:10:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 21:10:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 21:10:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-09-24 21:10:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-09-24 21:10:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-09-24 21:10:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-09-24 21:10:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-09-24 21:10:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-09-24 21:10:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-09-24 21:10:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-09-24 21:10:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-09-24 21:10:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-09-24 21:10:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-09-24 21:10:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:10:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 21:10:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 21:10:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2020-09-24 21:10:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2020-09-24 21:10:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 21:10:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 21:10:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 21:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 21:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-09-24 21:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-09-24 21:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-09-24 21:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-09-24 21:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 21:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-09-24 21:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 21:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-09-24 21:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-09-24 21:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-09-24 21:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 21:10:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:10:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 21:10:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-09-24 21:10:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 21:10:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-09-24 21:10:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-09-24 21:10:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2020-09-24 21:10:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 21:10:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 21:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-09-24 21:10:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-09-24 21:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:10:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-09-24 21:10:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:10:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 21:10:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 21:10:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 21:10:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 21:10:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:10:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:10:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:10:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 21:10:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:10:58,198 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:10:58,198 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 21:10:58,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:10:58 BoogieIcfgContainer [2020-09-24 21:10:58,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:10:58,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:10:58,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:10:58,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:10:58,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:10:54" (1/3) ... [2020-09-24 21:10:58,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92d2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:10:58, skipping insertion in model container [2020-09-24 21:10:58,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:10:55" (2/3) ... [2020-09-24 21:10:58,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d92d2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:10:58, skipping insertion in model container [2020-09-24 21:10:58,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:10:58" (3/3) ... [2020-09-24 21:10:58,216 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2020-09-24 21:10:58,228 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:10:58,241 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:10:58,265 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:10:58,300 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:10:58,300 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:10:58,300 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:10:58,300 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:10:58,301 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:10:58,301 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:10:58,301 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:10:58,301 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:10:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states. [2020-09-24 21:10:58,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-24 21:10:58,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:10:58,362 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 21:10:58,362 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:10:58,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:10:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash 569274542, now seen corresponding path program 1 times [2020-09-24 21:10:58,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:10:58,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932743754] [2020-09-24 21:10:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:10:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:10:59,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:04,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:04,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-09-24 21:11:04,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:11:04,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-09-24 21:11:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:11:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 21:11:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 296 [2020-09-24 21:11:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:11:04,581 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 21:11:04,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:11:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:04,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:11:05,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-24 21:11:05,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:05,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 21:11:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 21:11:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:05,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:11:05,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:11:05,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 21:11:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:05,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:05,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:11:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 21:11:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 21:11:05,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:11:05,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 21:11:05,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:11:05,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:11:05,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 21:11:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 21:11:05,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 21:11:05,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 21:11:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 21:11:05,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:11:05,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 21:11:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 21:11:05,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:05,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 21:11:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:11:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 21:11:05,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:11:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:11:05,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 21:11:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:11:05,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:11:05,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:11:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 21:11:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 21:11:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 21:11:05,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 21:11:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:11:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:05,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:05,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 21:11:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:05,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 21:11:05,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:11:05,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 21:11:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 21:11:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:11:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 21:11:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:05,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 21:11:05,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:05,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:11:05,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 21:11:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:11:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:05,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 21:11:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:05,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:11:05,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 21:11:05,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:11:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:11:05,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:11:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-24 21:11:06,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932743754] [2020-09-24 21:11:06,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:11:06,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 21:11:06,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274849390] [2020-09-24 21:11:06,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 21:11:06,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:11:06,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 21:11:06,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 21:11:06,045 INFO L87 Difference]: Start difference. First operand 581 states. Second operand 10 states. [2020-09-24 21:11:06,588 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 21:11:09,627 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-24 21:11:10,200 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-09-24 21:11:14,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:11:14,238 INFO L93 Difference]: Finished difference Result 1905 states and 2181 transitions. [2020-09-24 21:11:14,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 21:11:14,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 301 [2020-09-24 21:11:14,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:11:14,280 INFO L225 Difference]: With dead ends: 1905 [2020-09-24 21:11:14,280 INFO L226 Difference]: Without dead ends: 1437 [2020-09-24 21:11:14,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2020-09-24 21:11:14,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2020-09-24 21:11:14,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1245. [2020-09-24 21:11:14,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-09-24 21:11:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1366 transitions. [2020-09-24 21:11:14,512 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1366 transitions. Word has length 301 [2020-09-24 21:11:14,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:11:14,515 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1366 transitions. [2020-09-24 21:11:14,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 21:11:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1366 transitions. [2020-09-24 21:11:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-09-24 21:11:14,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:11:14,524 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] [2020-09-24 21:11:14,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:11:14,530 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:11:14,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:11:14,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1160418199, now seen corresponding path program 1 times [2020-09-24 21:11:14,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:11:14,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891087929] [2020-09-24 21:11:14,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:11:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:16,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:19,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:19,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-09-24 21:11:19,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:11:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5090 [2020-09-24 21:11:19,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:19,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 21:11:19,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 21:11:19,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 21:11:19,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:20,035 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 21:11:20,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:11:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:11:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 21:11:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 21:11:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:11:20,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 21:11:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:20,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:11:20,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:20,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:20,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 21:11:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 21:11:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 21:11:20,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:20,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:11:20,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:20,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 21:11:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 21:11:20,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-24 21:11:20,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 21:11:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 21:11:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 21:11:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 21:11:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:11:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 21:11:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:20,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 21:11:20,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 21:11:20,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:11:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:20,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:20,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:20,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:20,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:20,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 21:11:20,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:11:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 21:11:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:11:21,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:11:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 21:11:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:21,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:11:21,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 21:11:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:11:21,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:21,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:11:21,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 21:11:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 21:11:21,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:11:21,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 21:11:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:11:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:21,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:21,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 21:11:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 21:11:21,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 21:11:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:21,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:21,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 21:11:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:21,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:11:21,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 21:11:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:21,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 21:11:21,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 21:11:21,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:21,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 21:11:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:21,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 21:11:21,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 21:11:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:21,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:11:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 21:11:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:11:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:11:21,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 21:11:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-24 21:11:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 21:11:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:11:21,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:11:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-24 21:11:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:21,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:21,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:21,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:11:21,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:21,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:11:21,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 21:11:21,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-24 21:11:21,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891087929] [2020-09-24 21:11:21,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:11:21,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 21:11:21,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051394903] [2020-09-24 21:11:21,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 21:11:21,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:11:21,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 21:11:21,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2020-09-24 21:11:21,698 INFO L87 Difference]: Start difference. First operand 1245 states and 1366 transitions. Second operand 18 states. [2020-09-24 21:11:23,124 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 21:11:23,394 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 21:11:23,660 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 21:11:23,894 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 21:11:24,137 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 21:11:24,397 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 21:11:24,630 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-09-24 21:11:24,886 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-09-24 21:11:25,104 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 21:11:25,334 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 21:11:25,562 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-09-24 21:11:25,783 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-09-24 21:11:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:11:30,372 INFO L93 Difference]: Finished difference Result 2677 states and 2992 transitions. [2020-09-24 21:11:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 21:11:30,374 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 337 [2020-09-24 21:11:30,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:11:30,389 INFO L225 Difference]: With dead ends: 2677 [2020-09-24 21:11:30,389 INFO L226 Difference]: Without dead ends: 1524 [2020-09-24 21:11:30,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 21:11:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2020-09-24 21:11:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1348. [2020-09-24 21:11:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-09-24 21:11:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1491 transitions. [2020-09-24 21:11:30,547 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1491 transitions. Word has length 337 [2020-09-24 21:11:30,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:11:30,549 INFO L479 AbstractCegarLoop]: Abstraction has 1348 states and 1491 transitions. [2020-09-24 21:11:30,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 21:11:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1491 transitions. [2020-09-24 21:11:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 21:11:30,565 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:11:30,565 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 21:11:30,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:11:30,566 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:11:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:11:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1407983841, now seen corresponding path program 1 times [2020-09-24 21:11:30,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:11:30,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813933179] [2020-09-24 21:11:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:11:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:35,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 420 [2020-09-24 21:11:35,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:11:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 21:11:35,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 21:11:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-09-24 21:11:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 356 [2020-09-24 21:11:35,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,125 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-24 21:11:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:11:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:11:36,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-24 21:11:36,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:11:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 21:11:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 21:11:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:36,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:11:36,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:11:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-24 21:11:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:11:36,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:11:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-24 21:11:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 21:11:36,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:11:36,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 21:11:36,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:11:36,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:11:36,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 21:11:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 21:11:36,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 21:11:36,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 21:11:36,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 21:11:36,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 21:11:36,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 21:11:36,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 21:11:36,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 21:11:36,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 21:11:36,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 21:11:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:36,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:11:36,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:11:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:36,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:11:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 21:11:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:11:36,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 21:11:36,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:11:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:36,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:36,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:11:36,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 21:11:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:11:36,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 21:11:36,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:11:36,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 21:11:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 21:11:36,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 21:11:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 21:11:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:36,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:11:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:36,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:36,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:36,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:11:36,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:36,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 21:11:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:11:37,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:37,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:37,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:37,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:37,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 21:11:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:37,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 21:11:37,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:37,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:11:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 21:11:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 21:11:37,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:37,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:37,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:11:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:11:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:11:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 21:11:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 21:11:37,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 21:11:37,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:11:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 21:11:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:11:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:11:37,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:11:37,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:11:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:11:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:11:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-09-24 21:11:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:11:37,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:11:37,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:11:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:11:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:11:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2020-09-24 21:11:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 21:11:37,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:11:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 21:11:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 21:11:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:11:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 21:11:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:37,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 21:11:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:11:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 21:11:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:11:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:11:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:11:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:11:37,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-09-24 21:11:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:11:37,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:11:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:11:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:11:37,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:11:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 21:11:37,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:11:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:11:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:11:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:11:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:11:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-24 21:11:37,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813933179] [2020-09-24 21:11:37,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:11:37,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 21:11:37,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347920886] [2020-09-24 21:11:37,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 21:11:37,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:11:37,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 21:11:37,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:11:37,706 INFO L87 Difference]: Start difference. First operand 1348 states and 1491 transitions. Second operand 13 states. [2020-09-24 21:11:37,983 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-24 21:11:40,249 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 138