/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:27:33,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:27:33,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:27:33,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:27:33,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:27:33,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:27:33,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:27:33,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:27:33,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:27:33,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:27:33,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:27:33,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:27:33,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:27:33,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:27:33,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:27:33,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:27:33,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:27:33,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:27:33,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:27:33,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:27:33,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:27:33,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:27:33,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:27:33,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:27:33,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:27:33,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:27:33,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:27:33,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:27:33,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:27:33,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-29 16:27:33,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:27:33,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:27:33,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:27:33,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 16:27:33,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:27:33,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:27:33,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:27:33,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:27:33,227 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:27:33,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:27:33,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:27:33,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:27:33,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:27:33,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:27:33,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:27:33,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:27:33,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:27:33,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:27:33,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:27:33,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:27:33,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:27:33,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:27:33,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:27:33,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:27:33,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:27:33,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:27:33,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:27:33,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:27:33,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:27:33,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:27:33,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:27:33,233 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:27:33,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:27:33,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:27:33,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:27:33,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:27:33,696 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:27:33,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-29 16:27:33,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f336b450f/37d8acdb74374d7f8635d7fed6ca032f/FLAG2ab7b9804 [2020-10-29 16:27:34,782 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:27:34,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-29 16:27:34,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f336b450f/37d8acdb74374d7f8635d7fed6ca032f/FLAG2ab7b9804 [2020-10-29 16:27:35,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f336b450f/37d8acdb74374d7f8635d7fed6ca032f [2020-10-29 16:27:35,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:27:35,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:27:35,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:27:35,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:27:35,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:27:35,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:35" (1/1) ... [2020-10-29 16:27:35,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5796d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:35, skipping insertion in model container [2020-10-29 16:27:35,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:27:35" (1/1) ... [2020-10-29 16:27:35,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:27:35,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:27:36,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:27:36,850 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:27:37,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:27:37,456 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:27:37,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37 WrapperNode [2020-10-29 16:27:37,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:27:37,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:27:37,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:27:37,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:27:37,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... [2020-10-29 16:27:37,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:27:37,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:27:37,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:27:37,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:27:37,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:27:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:27:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:27:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 16:27:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:27:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 16:27:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-29 16:27:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 16:27:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-29 16:27:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 16:27:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 16:27:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-29 16:27:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2020-10-29 16:27:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-29 16:27:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 16:27:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 16:27:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-29 16:27:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 16:27:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-29 16:27:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-29 16:27:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:27:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-29 16:27:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2020-10-29 16:27:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2020-10-29 16:27:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2020-10-29 16:27:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2020-10-29 16:27:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2020-10-29 16:27:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2020-10-29 16:27:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2020-10-29 16:27:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2020-10-29 16:27:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2020-10-29 16:27:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2020-10-29 16:27:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2020-10-29 16:27:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2020-10-29 16:27:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2020-10-29 16:27:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2020-10-29 16:27:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2020-10-29 16:27:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2020-10-29 16:27:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2020-10-29 16:27:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2020-10-29 16:27:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2020-10-29 16:27:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2020-10-29 16:27:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2020-10-29 16:27:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2020-10-29 16:27:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:27:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:27:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:27:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:27:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-29 16:27:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-29 16:27:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:27:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:27:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:27:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:27:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:27:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-29 16:27:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-29 16:27:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-29 16:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-29 16:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-29 16:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:27:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-29 16:27:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:27:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-29 16:27:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-29 16:27:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2020-10-29 16:27:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-29 16:27:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2020-10-29 16:27:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2020-10-29 16:27:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2020-10-29 16:27:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2020-10-29 16:27:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-29 16:27:38,017 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2020-10-29 16:27:38,017 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-29 16:27:38,019 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-29 16:27:38,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2020-10-29 16:27:38,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-29 16:27:38,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 16:27:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-29 16:27:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-29 16:27:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-29 16:27:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-29 16:27:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:27:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-29 16:27:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:27:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:27:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-29 16:27:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-29 16:27:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:27:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 16:27:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:27:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-29 16:27:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-29 16:27:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:27:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2020-10-29 16:27:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:27:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-29 16:27:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 16:27:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-29 16:27:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-29 16:27:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:27:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 16:27:38,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-29 16:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-29 16:27:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-29 16:27:38,048 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-29 16:27:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-29 16:27:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2020-10-29 16:27:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2020-10-29 16:27:38,049 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2020-10-29 16:27:38,050 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2020-10-29 16:27:38,052 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2020-10-29 16:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2020-10-29 16:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2020-10-29 16:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2020-10-29 16:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2020-10-29 16:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 16:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 16:27:49,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:27:49,304 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:27:49,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:49 BoogieIcfgContainer [2020-10-29 16:27:49,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:27:49,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:27:49,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:27:49,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:27:49,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:27:35" (1/3) ... [2020-10-29 16:27:49,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2687dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:27:49, skipping insertion in model container [2020-10-29 16:27:49,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:27:37" (2/3) ... [2020-10-29 16:27:49,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2687dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:27:49, skipping insertion in model container [2020-10-29 16:27:49,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:27:49" (3/3) ... [2020-10-29 16:27:49,317 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-29 16:27:49,326 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:27:49,332 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:27:49,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:27:49,378 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:27:49,378 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:27:49,378 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:27:49,378 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:27:49,379 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:27:49,379 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:27:49,379 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:27:49,379 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:27:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states. [2020-10-29 16:27:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 16:27:49,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:27:49,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:27:49,430 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:27:49,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:27:49,436 INFO L82 PathProgramCache]: Analyzing trace with hash 771938292, now seen corresponding path program 1 times [2020-10-29 16:27:49,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:27:49,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258310567] [2020-10-29 16:27:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:27:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:49,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 16:27:50,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-29 16:27:50,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:27:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:27:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 16:27:50,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:27:50,642 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:27:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:27:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:50,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:27:50,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:27:50,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:27:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:27:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:50,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:27:50,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:27:50,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:27:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:27:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:27:50,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:27:50,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:27:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:50,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:27:50,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:27:50,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:27:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:27:50,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:27:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:27:50,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:27:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:27:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:27:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:27:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:27:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:27:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:27:50,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:27:50,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:27:50,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:27:50,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:27:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:27:50,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:27:50,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:27:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:27:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:27:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:27:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:27:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:27:50,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258310567] [2020-10-29 16:27:50,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:27:50,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:27:50,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111031402] [2020-10-29 16:27:50,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:27:50,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:27:50,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:27:50,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:27:50,873 INFO L87 Difference]: Start difference. First operand 1139 states. Second operand 5 states. [2020-10-29 16:27:51,341 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-29 16:28:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:28:06,553 INFO L93 Difference]: Finished difference Result 2069 states and 2781 transitions. [2020-10-29 16:28:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:28:06,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-29 16:28:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:28:06,583 INFO L225 Difference]: With dead ends: 2069 [2020-10-29 16:28:06,583 INFO L226 Difference]: Without dead ends: 1145 [2020-10-29 16:28:06,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:28:06,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-29 16:28:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 926. [2020-10-29 16:28:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-29 16:28:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1186 transitions. [2020-10-29 16:28:06,877 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1186 transitions. Word has length 30 [2020-10-29 16:28:06,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:28:06,878 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1186 transitions. [2020-10-29 16:28:06,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:28:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1186 transitions. [2020-10-29 16:28:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 16:28:06,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:28:06,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:28:06,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:28:06,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:28:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:28:06,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1862768099, now seen corresponding path program 1 times [2020-10-29 16:28:06,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:28:06,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549229557] [2020-10-29 16:28:06,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:28:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:06,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:28:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 16:28:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:07,500 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:28:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:28:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:07,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:07,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 16:28:07,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:07,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:28:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:07,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:28:07,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:28:07,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:28:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:07,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:28:07,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:28:07,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:28:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:28:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:28:07,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:28:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:28:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:07,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:28:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:07,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:07,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:28:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:07,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:07,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:07,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:28:07,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549229557] [2020-10-29 16:28:07,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:28:07,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:28:07,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65419952] [2020-10-29 16:28:07,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:28:07,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:28:07,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:28:07,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:28:07,740 INFO L87 Difference]: Start difference. First operand 926 states and 1186 transitions. Second operand 5 states. [2020-10-29 16:28:08,210 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-29 16:28:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:28:22,811 INFO L93 Difference]: Finished difference Result 1149 states and 1536 transitions. [2020-10-29 16:28:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:28:22,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-29 16:28:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:28:22,823 INFO L225 Difference]: With dead ends: 1149 [2020-10-29 16:28:22,823 INFO L226 Difference]: Without dead ends: 1144 [2020-10-29 16:28:22,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:28:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-29 16:28:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 925. [2020-10-29 16:28:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-29 16:28:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1184 transitions. [2020-10-29 16:28:22,991 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1184 transitions. Word has length 31 [2020-10-29 16:28:22,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:28:22,992 INFO L481 AbstractCegarLoop]: Abstraction has 925 states and 1184 transitions. [2020-10-29 16:28:22,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:28:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1184 transitions. [2020-10-29 16:28:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-29 16:28:22,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:28:22,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:28:22,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:28:22,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:28:22,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:28:22,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1323430935, now seen corresponding path program 1 times [2020-10-29 16:28:22,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:28:22,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188406561] [2020-10-29 16:28:22,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:28:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 16:28:23,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:28:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 16:28:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:23,568 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:28:23,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:28:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:23,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:23,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:23,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:28:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:28:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:28:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:23,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:28:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:28:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:28:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:28:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:28:23,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:23,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:28:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:28:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:23,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:28:23,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188406561] [2020-10-29 16:28:23,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:28:23,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:28:23,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777046472] [2020-10-29 16:28:23,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:28:23,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:28:23,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:28:23,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:28:23,750 INFO L87 Difference]: Start difference. First operand 925 states and 1184 transitions. Second operand 5 states. [2020-10-29 16:28:24,208 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-29 16:28:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:28:51,141 INFO L93 Difference]: Finished difference Result 2793 states and 3644 transitions. [2020-10-29 16:28:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:28:51,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-29 16:28:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:28:51,157 INFO L225 Difference]: With dead ends: 2793 [2020-10-29 16:28:51,157 INFO L226 Difference]: Without dead ends: 1877 [2020-10-29 16:28:51,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:28:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2020-10-29 16:28:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1756. [2020-10-29 16:28:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1756 states. [2020-10-29 16:28:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2277 transitions. [2020-10-29 16:28:51,378 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2277 transitions. Word has length 32 [2020-10-29 16:28:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:28:51,378 INFO L481 AbstractCegarLoop]: Abstraction has 1756 states and 2277 transitions. [2020-10-29 16:28:51,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:28:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2277 transitions. [2020-10-29 16:28:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-29 16:28:51,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:28:51,393 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 16:28:51,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:28:51,393 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:28:51,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:28:51,394 INFO L82 PathProgramCache]: Analyzing trace with hash 922444471, now seen corresponding path program 1 times [2020-10-29 16:28:51,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:28:51,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472373731] [2020-10-29 16:28:51,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:28:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:51,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:52,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:52,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 16:28:52,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:28:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-29 16:28:52,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:52,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 16:28:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 16:28:52,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:53,033 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:28:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:28:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:53,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 16:28:53,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:28:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:28:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:28:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:28:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:28:53,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:28:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:28:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:28:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:28:53,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:28:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:28:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:53,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:28:53,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 16:28:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:28:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:28:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 16:28:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:28:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:28:53,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:28:53,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 16:28:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:28:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:28:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:28:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:28:53,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:28:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:28:53,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:28:53,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:28:53,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:28:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:28:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:28:53,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:28:53,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:28:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:28:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:28:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:28:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:28:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 16:28:53,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472373731] [2020-10-29 16:28:53,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:28:53,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:28:53,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400017167] [2020-10-29 16:28:53,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:28:53,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:28:53,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:28:53,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:28:53,276 INFO L87 Difference]: Start difference. First operand 1756 states and 2277 transitions. Second operand 6 states. [2020-10-29 16:29:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:29:14,329 INFO L93 Difference]: Finished difference Result 3662 states and 4795 transitions. [2020-10-29 16:29:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:29:14,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-29 16:29:14,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:29:14,343 INFO L225 Difference]: With dead ends: 3662 [2020-10-29 16:29:14,344 INFO L226 Difference]: Without dead ends: 1928 [2020-10-29 16:29:14,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:29:14,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2020-10-29 16:29:14,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1812. [2020-10-29 16:29:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1812 states. [2020-10-29 16:29:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1812 states and 2372 transitions. [2020-10-29 16:29:14,545 INFO L78 Accepts]: Start accepts. Automaton has 1812 states and 2372 transitions. Word has length 65 [2020-10-29 16:29:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:29:14,545 INFO L481 AbstractCegarLoop]: Abstraction has 1812 states and 2372 transitions. [2020-10-29 16:29:14,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:29:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2372 transitions. [2020-10-29 16:29:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-29 16:29:14,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:29:14,548 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 16:29:14,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:29:14,549 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:29:14,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:29:14,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1574730120, now seen corresponding path program 1 times [2020-10-29 16:29:14,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:29:14,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359297011] [2020-10-29 16:29:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:29:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 791 [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:29:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 16:29:15,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 16:29:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:15,774 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:29:15,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:29:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:29:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:15,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:29:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:29:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:29:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:29:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:15,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:15,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 16:29:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:29:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:15,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:15,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:29:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 16:29:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:15,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:15,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:29:15,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:15,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 16:29:15,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:15,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:15,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:29:15,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:15,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 16:29:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:15,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:29:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:16,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:16,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:16,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:16,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:29:16,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:16,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:16,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:29:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:16,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:16,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:16,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:29:16,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:29:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:16,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:29:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:16,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:29:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 16:29:16,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359297011] [2020-10-29 16:29:16,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:29:16,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:29:16,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026127341] [2020-10-29 16:29:16,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:29:16,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:29:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:29:16,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:29:16,051 INFO L87 Difference]: Start difference. First operand 1812 states and 2372 transitions. Second operand 6 states. [2020-10-29 16:29:17,701 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-29 16:29:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:29:51,573 INFO L93 Difference]: Finished difference Result 3715 states and 4880 transitions. [2020-10-29 16:29:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:29:51,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-10-29 16:29:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:29:51,586 INFO L225 Difference]: With dead ends: 3715 [2020-10-29 16:29:51,587 INFO L226 Difference]: Without dead ends: 1925 [2020-10-29 16:29:51,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-29 16:29:51,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-10-29 16:29:51,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1794. [2020-10-29 16:29:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-10-29 16:29:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2315 transitions. [2020-10-29 16:29:51,794 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2315 transitions. Word has length 75 [2020-10-29 16:29:51,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:29:51,794 INFO L481 AbstractCegarLoop]: Abstraction has 1794 states and 2315 transitions. [2020-10-29 16:29:51,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:29:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2315 transitions. [2020-10-29 16:29:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 16:29:51,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:29:51,798 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 16:29:51,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 16:29:51,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:29:51,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:29:51,799 INFO L82 PathProgramCache]: Analyzing trace with hash 677151466, now seen corresponding path program 1 times [2020-10-29 16:29:51,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:29:51,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786802922] [2020-10-29 16:29:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:29:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:52,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:52,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 16:29:52,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-10-29 16:29:52,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:52,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:29:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-29 16:29:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:29:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:52,923 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:29:52,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:29:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:52,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:52,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:52,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 16:29:52,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:52,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:29:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:53,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:29:53,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:29:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:29:53,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:29:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:29:53,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:29:53,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:29:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:29:53,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 16:29:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 16:29:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:53,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:53,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 16:29:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:29:53,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 16:29:53,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:29:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:29:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:29:53,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:29:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:29:53,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:29:53,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:29:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:29:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:29:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:29:53,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:29:53,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:29:53,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:29:53,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:29:53,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:29:53,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:29:53,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:29:53,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:29:53,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:29:53,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 16:29:53,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:29:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 16:29:53,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786802922] [2020-10-29 16:29:53,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:29:53,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 16:29:53,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850609204] [2020-10-29 16:29:53,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 16:29:53,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:29:53,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 16:29:53,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:29:53,321 INFO L87 Difference]: Start difference. First operand 1794 states and 2315 transitions. Second operand 10 states. [2020-10-29 16:29:54,769 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-29 16:29:55,247 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-29 16:29:55,672 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-29 16:30:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:30:12,700 INFO L93 Difference]: Finished difference Result 2082 states and 2664 transitions. [2020-10-29 16:30:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:30:12,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2020-10-29 16:30:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:30:12,713 INFO L225 Difference]: With dead ends: 2082 [2020-10-29 16:30:12,713 INFO L226 Difference]: Without dead ends: 1657 [2020-10-29 16:30:12,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:30:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-29 16:30:12,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1535. [2020-10-29 16:30:12,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-10-29 16:30:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1934 transitions. [2020-10-29 16:30:12,964 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1934 transitions. Word has length 81 [2020-10-29 16:30:12,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:30:12,965 INFO L481 AbstractCegarLoop]: Abstraction has 1535 states and 1934 transitions. [2020-10-29 16:30:12,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 16:30:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1934 transitions. [2020-10-29 16:30:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 16:30:12,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:30:12,971 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-29 16:30:12,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 16:30:12,972 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:30:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:30:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1314300407, now seen corresponding path program 1 times [2020-10-29 16:30:12,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:30:12,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468447586] [2020-10-29 16:30:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:30:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:13,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-29 16:30:13,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:13,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:30:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 16:30:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:30:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,135 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:30:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:30:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:14,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:30:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:14,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:30:14,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:30:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:30:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:30:14,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:14,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:30:14,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 16:30:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:30:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:30:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 16:30:14,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:30:14,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 16:30:14,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 16:30:14,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 16:30:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 16:30:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 16:30:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:30:14,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 16:30:14,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:30:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 16:30:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:14,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:30:14,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:30:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:30:14,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 16:30:14,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:30:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 16:30:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:14,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 16:30:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:14,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 16:30:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 16:30:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:30:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 16:30:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:30:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:14,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:14,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:14,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:14,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 16:30:14,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:14,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:14,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 16:30:14,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468447586] [2020-10-29 16:30:14,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:30:14,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 16:30:14,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742176819] [2020-10-29 16:30:14,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 16:30:14,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:30:14,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 16:30:14,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-29 16:30:14,999 INFO L87 Difference]: Start difference. First operand 1535 states and 1934 transitions. Second operand 11 states. [2020-10-29 16:30:15,332 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-29 16:30:31,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:30:31,468 INFO L93 Difference]: Finished difference Result 2049 states and 2595 transitions. [2020-10-29 16:30:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 16:30:31,476 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-29 16:30:31,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:30:31,487 INFO L225 Difference]: With dead ends: 2049 [2020-10-29 16:30:31,487 INFO L226 Difference]: Without dead ends: 1722 [2020-10-29 16:30:31,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-29 16:30:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-10-29 16:30:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1523. [2020-10-29 16:30:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2020-10-29 16:30:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1918 transitions. [2020-10-29 16:30:31,682 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1918 transitions. Word has length 86 [2020-10-29 16:30:31,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:30:31,682 INFO L481 AbstractCegarLoop]: Abstraction has 1523 states and 1918 transitions. [2020-10-29 16:30:31,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 16:30:31,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1918 transitions. [2020-10-29 16:30:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-29 16:30:31,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:30:31,698 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-29 16:30:31,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 16:30:31,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:30:31,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:30:31,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794185, now seen corresponding path program 1 times [2020-10-29 16:30:31,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:30:31,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19479133] [2020-10-29 16:30:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:30:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:31,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 16:30:35,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:30:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3385 [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:30:35,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,516 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:30:35,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:30:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:35,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:30:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:30:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:30:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:30:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 16:30:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 16:30:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 16:30:35,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 16:30:35,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:30:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 16:30:35,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 16:30:35,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:30:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:30:35,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:30:35,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:30:35,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:30:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:30:35,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:30:35,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:30:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 16:30:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:30:35,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:30:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:30:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 16:30:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 16:30:35,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 16:30:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 16:30:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:30:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:30:35,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:30:35,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:35,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:30:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:30:35,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:30:35,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:30:35,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:30:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:30:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:30:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:30:35,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:30:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:30:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:30:35,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:30:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:30:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 16:30:36,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19479133] [2020-10-29 16:30:36,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:30:36,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 16:30:36,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292771014] [2020-10-29 16:30:36,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 16:30:36,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:30:36,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 16:30:36,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:30:36,007 INFO L87 Difference]: Start difference. First operand 1523 states and 1918 transitions. Second operand 10 states. [2020-10-29 16:30:36,356 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-29 16:31:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:31:05,766 INFO L93 Difference]: Finished difference Result 3266 states and 4159 transitions. [2020-10-29 16:31:05,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 16:31:05,768 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-10-29 16:31:05,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:31:05,779 INFO L225 Difference]: With dead ends: 3266 [2020-10-29 16:31:05,779 INFO L226 Difference]: Without dead ends: 1760 [2020-10-29 16:31:05,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-29 16:31:05,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-10-29 16:31:05,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1528. [2020-10-29 16:31:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2020-10-29 16:31:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1923 transitions. [2020-10-29 16:31:05,974 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1923 transitions. Word has length 105 [2020-10-29 16:31:05,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:31:05,974 INFO L481 AbstractCegarLoop]: Abstraction has 1528 states and 1923 transitions. [2020-10-29 16:31:05,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 16:31:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1923 transitions. [2020-10-29 16:31:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-29 16:31:05,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:31:05,980 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-29 16:31:05,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 16:31:05,980 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:31:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:31:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1938566624, now seen corresponding path program 1 times [2020-10-29 16:31:05,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:31:05,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982423698] [2020-10-29 16:31:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:31:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:06,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-29 16:31:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:31:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-29 16:31:11,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 16:31:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-29 16:31:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 16:31:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,451 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-29 16:31:11,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:31:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:11,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 16:31:11,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:31:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 16:31:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:31:11,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:31:11,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 16:31:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 16:31:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:11,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:11,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:11,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 16:31:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:11,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:11,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:11,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 16:31:11,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:11,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 16:31:11,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 16:31:12,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 16:31:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 16:31:12,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 16:31:12,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 16:31:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:31:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:31:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 16:31:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:31:12,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:31:12,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 16:31:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:31:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:31:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 16:31:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 16:31:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 16:31:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 16:31:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 16:31:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:31:12,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 16:31:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 16:31:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:31:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 16:31:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:31:12,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 16:31:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 16:31:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:31:12,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:31:12,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 16:31:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:31:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:31:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:31:12,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:31:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:31:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:31:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:31:12,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:31:12,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:31:12,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:31:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:31:12,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:31:12,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:31:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:31:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:31:12,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:31:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:31:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 16:31:12,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982423698] [2020-10-29 16:31:12,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:31:12,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-29 16:31:12,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40955917] [2020-10-29 16:31:12,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 16:31:12,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:31:12,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 16:31:12,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-29 16:31:12,800 INFO L87 Difference]: Start difference. First operand 1528 states and 1923 transitions. Second operand 16 states. [2020-10-29 16:31:13,196 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-29 16:31:15,136 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-29 16:31:15,739 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 16:31:16,241 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 16:31:16,800 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 16:31:17,292 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 16:31:17,912 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-29 16:31:18,411 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 147