/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=SHALLOWEST --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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:22:30,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:22:30,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:22:30,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:22:30,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:22:30,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:22:30,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:22:30,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:22:30,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:22:30,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:22:30,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:22:30,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:22:30,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:22:30,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:22:30,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:22:30,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:22:30,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:22:30,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:22:30,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:22:30,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:22:30,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:22:30,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:22:30,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:22:30,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:22:30,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:22:30,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:22:30,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:22:30,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:22:30,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:22:30,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:22:30,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:22:30,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:22:30,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:22:30,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:22:30,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:22:30,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:22:30,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:22:30,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:22:30,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:22:30,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:22:30,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:22:30,843 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 [2020-10-27 10:22:30,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:22:30,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:22:30,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:22:30,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:22:30,916 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:22:30,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:22:30,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:22:30,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:22:30,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:22:30,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:22:30,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:22:30,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:22:30,918 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:22:30,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:22:30,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:22:30,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:22:30,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:22:30,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:22:30,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:22:30,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:22:30,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:22:30,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:22:30,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:22:30,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:22:30,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:22:30,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:22:30,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:22:30,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:22:31,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:22:31,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:22:31,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:22:31,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:22:31,404 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:22:31,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-27 10:22:31,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f00ad31/c48e7965b898462a802b6f37088767a9/FLAG051f88118 [2020-10-27 10:22:32,696 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:22:32,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-27 10:22:32,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f00ad31/c48e7965b898462a802b6f37088767a9/FLAG051f88118 [2020-10-27 10:22:33,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2f00ad31/c48e7965b898462a802b6f37088767a9 [2020-10-27 10:22:33,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:22:33,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:22:33,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:22:33,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:22:33,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:22:33,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:22:33" (1/1) ... [2020-10-27 10:22:33,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd3aca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:33, skipping insertion in model container [2020-10-27 10:22:33,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:22:33" (1/1) ... [2020-10-27 10:22:33,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:22:33,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:22:34,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:22:34,988 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:22:35,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:22:35,791 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:22:35,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35 WrapperNode [2020-10-27 10:22:35,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:22:35,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:22:35,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:22:35,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:22:35,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:35,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:35,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:35,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:36,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:36,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:36,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (1/1) ... [2020-10-27 10:22:36,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:22:36,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:22:36,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:22:36,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:22:36,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (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 [2020-10-27 10:22:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:22:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:22:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:22:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 10:22:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2020-10-27 10:22:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-27 10:22:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-27 10:22:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 10:22:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-27 10:22:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 10:22:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 10:22:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-27 10:22:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 10:22:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:22:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-27 10:22:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:22:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:22:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-27 10:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_write_bulk_callback [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_setup_firmware [2020-10-27 10:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_fw_timeo [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_probe [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2020-10-27 10:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdtypedata [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cmdrequest [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_host_to_card [2020-10-27 10:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_issue_boot_command [2020-10-27 10:22:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fwfile_format [2020-10-27 10:22:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_prog_firmware [2020-10-27 10:22:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_suspend [2020-10-27 10:22:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2020-10-27 10:22:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_init [2020-10-27 10:22:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_driver_exit [2020-10-27 10:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-27 10:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-27 10:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-27 10:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-27 10:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:22:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:22:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-27 10:22:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-27 10:22:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2020-10-27 10:22:36,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2020-10-27 10:22:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2020-10-27 10:22:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-27 10:22:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-27 10:22:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2020-10-27 10:22:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_20 [2020-10-27 10:22:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2020-10-27 10:22:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_22 [2020-10-27 10:22:36,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_23 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_24 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_26 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_28 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_29 [2020-10-27 10:22:36,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_30 [2020-10-27 10:22:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:22:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:22:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:22:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:22:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:22:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:22:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:22:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:22:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:22:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:22:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 10:22:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2020-10-27 10:22:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-27 10:22:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-27 10:22:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-27 10:22:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-27 10:22:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_card [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_firmware_async [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_to_card_done [2020-10-27 10:22:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_notify_command_response [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_rxed_packet [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_queue_event [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_tx_feedback [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_card [2020-10-27 10:22:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2020-10-27 10:22:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-27 10:22:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-27 10:22:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-27 10:22:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-27 10:22:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2020-10-27 10:22:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:22:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-27 10:22:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:22:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:22:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 10:22:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 10:22:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 10:22:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-27 10:22:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 10:22:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-27 10:22:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 10:22:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-27 10:22:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 10:22:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:22:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:22:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:22:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:22:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:22:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:22:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:22:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 10:22:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2020-10-27 10:22:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-27 10:22:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_20 [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_28 [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:22:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-27 10:22:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-27 10:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_22 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_23 [2020-10-27 10:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_24 [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_26 [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-27 10:22:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:22:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:22:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-27 10:22:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-27 10:22:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_29 [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 10:22:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_30 [2020-10-27 10:22:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 10:22:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 10:22:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 10:22:36,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 10:22:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 10:22:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 10:22:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_tx_feedback [2020-10-27 10:22:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_rxed_packet [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_card [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_card [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_to_card_done [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2020-10-27 10:22:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2020-10-27 10:22:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_queue_event [2020-10-27 10:22:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_notify_command_response [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_firmware_async [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_copyback [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_prog_firmware [2020-10-27 10:22:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_host_to_card [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_write_bulk_callback [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_setup_firmware [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_fw_timeo [2020-10-27 10:22:36,344 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_probe [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdtypedata [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure process_cmdrequest [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_issue_boot_command [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:22:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure check_fwfile_format [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_suspend [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_init [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_driver_exit [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:22:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:22:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:22:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:22:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:22:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:22:37,932 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:22:47,309 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:22:47,309 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:22:47,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:22:47 BoogieIcfgContainer [2020-10-27 10:22:47,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:22:47,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:22:47,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:22:47,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:22:47,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:22:33" (1/3) ... [2020-10-27 10:22:47,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53688590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:22:47, skipping insertion in model container [2020-10-27 10:22:47,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:35" (2/3) ... [2020-10-27 10:22:47,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53688590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:22:47, skipping insertion in model container [2020-10-27 10:22:47,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:22:47" (3/3) ... [2020-10-27 10:22:47,325 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2020-10-27 10:22:47,339 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:22:47,346 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:22:47,361 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:22:47,409 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:22:47,409 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:22:47,409 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:22:47,409 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:22:47,410 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:22:47,410 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:22:47,410 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:22:47,410 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:22:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2020-10-27 10:22:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 10:22:47,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:22:47,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:22:47,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:22:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:22:47,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1200767912, now seen corresponding path program 1 times [2020-10-27 10:22:47,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:22:47,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434673333] [2020-10-27 10:22:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:22:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:48,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:48,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:54,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:54,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 10:22:54,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:22:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6233 [2020-10-27 10:22:54,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:22:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 10:22:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:22:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:23:03,492 WARN L193 SmtUtils]: Spent 8.76 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-27 10:23:03,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:03,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:04,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:04,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:04,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:04,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:04,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:23:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:05,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 10:23:05,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:23:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:23:05,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 10:23:05,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:05,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 10:23:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:23:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:23:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:05,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 10:23:05,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:23:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:23:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:23:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 10:23:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:05,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:23:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:23:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:23:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:23:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:05,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:23:05,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:05,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 10:23:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:05,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:23:05,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:23:05,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434673333] [2020-10-27 10:23:05,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:23:05,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 10:23:05,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285841796] [2020-10-27 10:23:05,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:23:05,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:23:05,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:23:05,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:23:05,635 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 10 states. [2020-10-27 10:23:14,588 WARN L193 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 1231 [2020-10-27 10:23:26,923 WARN L193 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 1234 [2020-10-27 10:23:35,966 WARN L193 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 1236 [2020-10-27 10:24:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:24:06,554 INFO L93 Difference]: Finished difference Result 1597 states and 2147 transitions. [2020-10-27 10:24:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 10:24:06,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2020-10-27 10:24:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:24:06,590 INFO L225 Difference]: With dead ends: 1597 [2020-10-27 10:24:06,591 INFO L226 Difference]: Without dead ends: 913 [2020-10-27 10:24:06,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 36.1s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-10-27 10:24:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-10-27 10:24:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 662. [2020-10-27 10:24:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-27 10:24:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 849 transitions. [2020-10-27 10:24:07,259 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 849 transitions. Word has length 61 [2020-10-27 10:24:07,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:24:07,260 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 849 transitions. [2020-10-27 10:24:07,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:24:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 849 transitions. [2020-10-27 10:24:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 10:24:07,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:24:07,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:24:07,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:24:07,274 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:24:07,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:24:07,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1296164378, now seen corresponding path program 1 times [2020-10-27 10:24:07,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:24:07,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479482726] [2020-10-27 10:24:07,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:24:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:12,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 10:24:12,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:24:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5198 [2020-10-27 10:24:12,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:24:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 10:24:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:24:12,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:21,137 WARN L193 SmtUtils]: Spent 8.24 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-27 10:24:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:22,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-10-27 10:24:22,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:22,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:24:22,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:24:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:22,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:24:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:24:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 10:24:22,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 10:24:22,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:24:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:24:22,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:24:22,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 10:24:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:24:22,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:24:22,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 10:24:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:24:22,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:24:22,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:24:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:22,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 10:24:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:22,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:22,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:24:22,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:24:22,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:24:22,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479482726] [2020-10-27 10:24:22,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:24:22,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 10:24:22,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029401882] [2020-10-27 10:24:22,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 10:24:22,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:24:22,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 10:24:22,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 10:24:22,974 INFO L87 Difference]: Start difference. First operand 662 states and 849 transitions. Second operand 11 states. [2020-10-27 10:24:31,314 WARN L193 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 1231 [2020-10-27 10:24:43,089 WARN L193 SmtUtils]: Spent 8.51 s on a formula simplification that was a NOOP. DAG size: 1234 [2020-10-27 10:25:08,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:25:08,756 INFO L93 Difference]: Finished difference Result 1557 states and 2037 transitions. [2020-10-27 10:25:08,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 10:25:08,757 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-10-27 10:25:08,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:25:08,767 INFO L225 Difference]: With dead ends: 1557 [2020-10-27 10:25:08,767 INFO L226 Difference]: Without dead ends: 914 [2020-10-27 10:25:08,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2020-10-27 10:25:08,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-27 10:25:09,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 663. [2020-10-27 10:25:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-10-27 10:25:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 850 transitions. [2020-10-27 10:25:09,169 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 850 transitions. Word has length 62 [2020-10-27 10:25:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:25:09,170 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 850 transitions. [2020-10-27 10:25:09,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 10:25:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 850 transitions. [2020-10-27 10:25:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 10:25:09,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:25:09,172 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] [2020-10-27 10:25:09,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:25:09,173 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:25:09,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:25:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1391654040, now seen corresponding path program 2 times [2020-10-27 10:25:09,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:25:09,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175872994] [2020-10-27 10:25:09,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:25:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:09,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:14,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:14,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5206 [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 10:25:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:25:14,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:22,989 WARN L193 SmtUtils]: Spent 8.23 s on a formula simplification that was a NOOP. DAG size: 1228 [2020-10-27 10:25:22,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:23,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:23,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:25:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:24,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:25:24,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:24,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:25:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:25:24,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:24,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:24,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:24,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:25:24,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 10:25:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:25:24,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 10:25:24,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:25:24,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:25:24,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 10:25:24,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 10:25:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 10:25:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:25:24,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:24,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:25:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:25:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:24,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:25:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 10:25:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:25:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:25:24,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175872994] [2020-10-27 10:25:24,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:25:24,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 10:25:24,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183888953] [2020-10-27 10:25:24,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 10:25:24,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:25:24,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 10:25:24,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-27 10:25:24,659 INFO L87 Difference]: Start difference. First operand 663 states and 850 transitions. Second operand 12 states. [2020-10-27 10:25:32,936 WARN L193 SmtUtils]: Spent 8.21 s on a formula simplification that was a NOOP. DAG size: 1231 [2020-10-27 10:25:44,452 WARN L193 SmtUtils]: Spent 8.32 s on a formula simplification that was a NOOP. DAG size: 1234 [2020-10-27 10:26:09,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:26:09,309 INFO L93 Difference]: Finished difference Result 1558 states and 2038 transitions. [2020-10-27 10:26:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 10:26:09,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-10-27 10:26:09,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:26:09,317 INFO L225 Difference]: With dead ends: 1558 [2020-10-27 10:26:09,318 INFO L226 Difference]: Without dead ends: 915 [2020-10-27 10:26:09,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2020-10-27 10:26:09,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-27 10:26:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 664. [2020-10-27 10:26:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-27 10:26:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 851 transitions. [2020-10-27 10:26:09,691 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 851 transitions. Word has length 63 [2020-10-27 10:26:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:26:09,692 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 851 transitions. [2020-10-27 10:26:09,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 10:26:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 851 transitions. [2020-10-27 10:26:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 10:26:09,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:26:09,694 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:26:09,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 10:26:09,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:26:09,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:26:09,695 INFO L82 PathProgramCache]: Analyzing trace with hash 56866266, now seen corresponding path program 3 times [2020-10-27 10:26:09,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:26:09,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279230426] [2020-10-27 10:26:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:26:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:26:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:26:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:26:15,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:26:15,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6033 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:26:15,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0