/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:59:21,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:59:21,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:59:21,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:59:21,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:59:21,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:59:21,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:59:21,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:59:21,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:59:21,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:59:21,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:59:21,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:59:21,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:59:21,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:59:21,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:59:21,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:59:21,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:59:21,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:59:21,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:59:21,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:59:21,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:59:21,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:59:21,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:59:21,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:59:21,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:59:21,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:59:21,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:59:21,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:59:21,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:59:21,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:59:21,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:59:21,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:59:21,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:59:21,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:59:21,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:59:21,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:59:21,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:59:21,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:59:21,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:59:21,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:59:21,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:59:21,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 21:59:21,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:59:21,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:59:21,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:59:21,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:59:21,808 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:59:21,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:59:21,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:59:21,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:59:21,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:59:21,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:59:21,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:59:21,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:59:21,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:59:21,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:59:21,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:59:21,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:59:21,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:59:21,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:59:21,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:59:21,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:59:21,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:59:21,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:59:21,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:59:21,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:59:21,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:59:21,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:59:21,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:59:21,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:59:22,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:59:22,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:59:22,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:59:22,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:59:22,239 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:59:22,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-28 21:59:22,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70f1b02f4/e8b71aff8018484b897d8d38d9bc76ca/FLAG91383b731 [2020-10-28 21:59:23,450 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:59:23,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-28 21:59:23,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70f1b02f4/e8b71aff8018484b897d8d38d9bc76ca/FLAG91383b731 [2020-10-28 21:59:23,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70f1b02f4/e8b71aff8018484b897d8d38d9bc76ca [2020-10-28 21:59:23,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:59:23,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:59:23,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:59:23,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:59:23,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:59:23,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:23" (1/1) ... [2020-10-28 21:59:23,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf8edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:23, skipping insertion in model container [2020-10-28 21:59:23,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:59:23" (1/1) ... [2020-10-28 21:59:23,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:59:24,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:59:25,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:59:25,657 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:59:26,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:59:26,404 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:59:26,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26 WrapperNode [2020-10-28 21:59:26,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:59:26,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:59:26,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:59:26,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:59:26,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... [2020-10-28 21:59:26,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:59:26,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:59:26,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:59:26,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:59:26,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:59:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:59:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:59:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:59:26,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:59:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-28 21:59:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-28 21:59:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-28 21:59:26,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-28 21:59:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-28 21:59:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-28 21:59:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 21:59:26,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 21:59:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-28 21:59:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 21:59:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 21:59:26,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 21:59:26,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:59:26,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:59:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2020-10-28 21:59:26,850 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2020-10-28 21:59:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2020-10-28 21:59:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2020-10-28 21:59:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2020-10-28 21:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2020-10-28 21:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2020-10-28 21:59:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2020-10-28 21:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-28 21:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-28 21:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 21:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-28 21:59:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2020-10-28 21:59:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 21:59:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_3 [2020-10-28 21:59:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2020-10-28 21:59:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_11 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2020-10-28 21:59:26,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2020-10-28 21:59:26,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2020-10-28 21:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2020-10-28 21:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_17 [2020-10-28 21:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_20 [2020-10-28 21:59:26,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_21 [2020-10-28 21:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 21:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 21:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 21:59:26,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 21:59:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 21:59:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2020-10-28 21:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 21:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 21:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 21:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 21:59:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-28 21:59:26,866 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 21:59:26,866 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-28 21:59:26,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 21:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-28 21:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2020-10-28 21:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2020-10-28 21:59:26,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2020-10-28 21:59:26,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 21:59:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-28 21:59:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-28 21:59:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-28 21:59:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:59:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 21:59:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 21:59:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 21:59:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 21:59:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 21:59:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 21:59:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 21:59:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-28 21:59:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-28 21:59:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:59:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:59:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 21:59:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:59:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-28 21:59:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-28 21:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-28 21:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-28 21:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 21:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:59:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 21:59:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_17 [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-28 21:59:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-28 21:59:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_11 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_20 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_21 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2020-10-28 21:59:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_3 [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 21:59:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:59:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 21:59:26,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-28 21:59:26,894 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:59:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 21:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-28 21:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-28 21:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-28 21:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2020-10-28 21:59:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2020-10-28 21:59:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2020-10-28 21:59:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2020-10-28 21:59:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2020-10-28 21:59:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2020-10-28 21:59:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2020-10-28 21:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2020-10-28 21:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2020-10-28 21:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2020-10-28 21:59:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2020-10-28 21:59:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2020-10-28 21:59:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 21:59:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:59:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 21:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:59:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 21:59:28,134 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 21:59:35,414 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 21:59:36,874 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:59:36,875 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 21:59:36,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:36 BoogieIcfgContainer [2020-10-28 21:59:36,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:59:36,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:59:36,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:59:36,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:59:36,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:59:23" (1/3) ... [2020-10-28 21:59:36,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466f7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:59:36, skipping insertion in model container [2020-10-28 21:59:36,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:59:26" (2/3) ... [2020-10-28 21:59:36,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466f7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:59:36, skipping insertion in model container [2020-10-28 21:59:36,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:59:36" (3/3) ... [2020-10-28 21:59:36,889 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-28 21:59:36,902 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:59:36,910 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:59:36,924 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:59:36,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:59:36,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:59:36,970 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:59:36,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:59:36,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:59:36,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:59:36,970 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:59:36,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:59:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states. [2020-10-28 21:59:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 21:59:37,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:59:37,052 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:59:37,053 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:59:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:59:37,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1563459246, now seen corresponding path program 1 times [2020-10-28 21:59:37,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:59:37,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390232429] [2020-10-28 21:59:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:59:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:45,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:45,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 21:59:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:59:45,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7655 [2020-10-28 21:59:45,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:45,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:59:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 21:59:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 21:59:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:59:54,097 WARN L193 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 1252 [2020-10-28 21:59:54,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:59:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:55,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1420 [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:55,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:59:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:59:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:55,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:55,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:59:55,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:55,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:59:55,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:55,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:59:55,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 21:59:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:55,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:55,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:55,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:59:55,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:55,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:59:55,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:55,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:55,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:55,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:55,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:59:55,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 21:59:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:55,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:55,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:55,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:55,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:59:55,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:59:55,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 21:59:55,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:55,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:55,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:59:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 21:59:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:56,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:56,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:59:56,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 21:59:56,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:56,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:56,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:56,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:56,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:59:56,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:59:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:56,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 21:59:56,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 21:59:56,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:56,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 21:59:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:59:56,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:59:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:56,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:56,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:56,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:56,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:56,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 21:59:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:59:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:59:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:59:56,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:59:56,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:59:56,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:59:56,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:59:56,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:59:56,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:59:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:59:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:59:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:59:56,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:59:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:59:56,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390232429] [2020-10-28 21:59:56,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:59:56,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 21:59:56,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536391559] [2020-10-28 21:59:56,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 21:59:56,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:59:56,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 21:59:56,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 21:59:56,248 INFO L87 Difference]: Start difference. First operand 1317 states. Second operand 8 states. [2020-10-28 22:00:05,212 WARN L193 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 1261 [2020-10-28 22:00:17,839 WARN L193 SmtUtils]: Spent 8.76 s on a formula simplification that was a NOOP. DAG size: 1263 [2020-10-28 22:00:28,013 WARN L193 SmtUtils]: Spent 8.67 s on a formula simplification that was a NOOP. DAG size: 1254 [2020-10-28 22:02:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:02:14,803 INFO L93 Difference]: Finished difference Result 4400 states and 6318 transitions. [2020-10-28 22:02:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 22:02:14,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-28 22:02:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:02:14,866 INFO L225 Difference]: With dead ends: 4400 [2020-10-28 22:02:14,866 INFO L226 Difference]: Without dead ends: 3303 [2020-10-28 22:02:14,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-28 22:02:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2020-10-28 22:02:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2017. [2020-10-28 22:02:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2020-10-28 22:02:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2687 transitions. [2020-10-28 22:02:16,453 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2687 transitions. Word has length 51 [2020-10-28 22:02:16,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:02:16,454 INFO L481 AbstractCegarLoop]: Abstraction has 2017 states and 2687 transitions. [2020-10-28 22:02:16,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 22:02:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2687 transitions. [2020-10-28 22:02:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 22:02:16,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:02:16,459 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 22:02:16,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 22:02:16,460 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:02:16,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:02:16,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1611972809, now seen corresponding path program 1 times [2020-10-28 22:02:16,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:02:16,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925816223] [2020-10-28 22:02:16,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:02:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:16,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:17,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:22,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 22:02:22,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:02:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5566 [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:02:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:31,121 WARN L193 SmtUtils]: Spent 8.70 s on a formula simplification that was a NOOP. DAG size: 1252 [2020-10-28 22:02:31,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:31,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1268 [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:32,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 22:02:32,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:32,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:02:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:02:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:32,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 22:02:32,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 22:02:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 22:02:32,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:32,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 22:02:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:32,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:02:32,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:02:32,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:32,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 22:02:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:02:32,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 22:02:32,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 22:02:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:32,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:32,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:32,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:32,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:02:32,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:32,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:02:33,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:02:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:33,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:33,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:02:33,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 22:02:33,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925816223] [2020-10-28 22:02:33,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:02:33,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 22:02:33,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436552921] [2020-10-28 22:02:33,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 22:02:33,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:02:33,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 22:02:33,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 22:02:33,097 INFO L87 Difference]: Start difference. First operand 2017 states and 2687 transitions. Second operand 10 states. [2020-10-28 22:02:41,874 WARN L193 SmtUtils]: Spent 8.73 s on a formula simplification that was a NOOP. DAG size: 1261 [2020-10-28 22:02:53,709 WARN L193 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 1264 [2020-10-28 22:03:02,708 WARN L193 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 1266