./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:02,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:02,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:02,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:02,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:02,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:02,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:02,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:02,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:02,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:02,779 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:02,779 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:02,780 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:02,781 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:02,782 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:02,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:02,783 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:02,783 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:02,784 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:02,784 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:02,785 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:02,785 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:02,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:02,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:02,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:02,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:02,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:02,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:02,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:02,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:02,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:02,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:02,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:02,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:02,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:02,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:02,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:02,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:02,816 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:02,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:02,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:02,818 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:02,818 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:02,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:02,819 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2023-11-23 21:23:03,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:03,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:03,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:03,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:03,192 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:03,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-11-23 21:23:06,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:07,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:07,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-11-23 21:23:07,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/data/f8b33d204/a2d03e5d305d41c2b433a9d64a14373a/FLAG8fb33ce81 [2023-11-23 21:23:07,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/data/f8b33d204/a2d03e5d305d41c2b433a9d64a14373a [2023-11-23 21:23:07,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:07,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:07,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:07,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:07,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:07,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:07" (1/1) ... [2023-11-23 21:23:07,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d849c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:07, skipping insertion in model container [2023-11-23 21:23:07,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:07" (1/1) ... [2023-11-23 21:23:07,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:08,717 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2023-11-23 21:23:10,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:10,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:10,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [6923] [2023-11-23 21:23:10,688 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2023-11-23 21:23:11,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:11,187 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:11,187 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:11,187 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:11,195 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:11,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11 WrapperNode [2023-11-23 21:23:11,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:11,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:11,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:11,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:11,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:11,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:11,854 INFO L138 Inliner]: procedures = 307, calls = 3914, calls flagged for inlining = 137, calls inlined = 133, statements flattened = 7122 [2023-11-23 21:23:11,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:11,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:11,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:11,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:11,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:11,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:11,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:11,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:12,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:12,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:12,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:12,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (1/1) ... [2023-11-23 21:23:12,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:12,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:12,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:12,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4529b5b0-27ae-4ff9-bbb9-3d94e53c3908/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-23 21:23:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-23 21:23:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2023-11-23 21:23:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2023-11-23 21:23:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:23:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:23:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:23:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:23:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2023-11-23 21:23:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2023-11-23 21:23:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-23 21:23:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-23 21:23:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:23:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:23:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:23:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:23:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-23 21:23:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-23 21:23:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-23 21:23:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-23 21:23:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-11-23 21:23:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-11-23 21:23:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-23 21:23:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-23 21:23:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-23 21:23:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-23 21:23:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2023-11-23 21:23:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2023-11-23 21:23:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2023-11-23 21:23:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2023-11-23 21:23:12,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:23:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:23:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2023-11-23 21:23:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2023-11-23 21:23:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-23 21:23:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-23 21:23:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-23 21:23:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-23 21:23:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-23 21:23:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-23 21:23:12,451 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2023-11-23 21:23:12,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2023-11-23 21:23:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2023-11-23 21:23:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2023-11-23 21:23:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:23:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:23:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-23 21:23:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-23 21:23:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:23:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:23:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:23:12,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:23:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-11-23 21:23:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-11-23 21:23:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2023-11-23 21:23:12,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2023-11-23 21:23:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:23:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:23:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-23 21:23:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-23 21:23:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2023-11-23 21:23:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2023-11-23 21:23:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2023-11-23 21:23:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2023-11-23 21:23:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:23:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:23:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2023-11-23 21:23:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2023-11-23 21:23:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-23 21:23:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-23 21:23:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2023-11-23 21:23:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2023-11-23 21:23:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-23 21:23:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-23 21:23:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-23 21:23:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:23:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:23:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2023-11-23 21:23:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2023-11-23 21:23:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-23 21:23:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-23 21:23:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:23:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-23 21:23:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-23 21:23:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:23:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:23:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2023-11-23 21:23:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2023-11-23 21:23:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:23:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:23:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-23 21:23:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-23 21:23:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:23:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:23:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:23:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:23:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:23:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:23:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2023-11-23 21:23:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2023-11-23 21:23:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2023-11-23 21:23:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2023-11-23 21:23:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:23:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:23:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2023-11-23 21:23:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2023-11-23 21:23:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2023-11-23 21:23:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2023-11-23 21:23:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-23 21:23:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-23 21:23:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 21:23:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 21:23:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:23:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:23:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-23 21:23:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-23 21:23:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:23:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:23:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:23:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-23 21:23:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-23 21:23:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 21:23:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 21:23:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:23:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:23:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:23:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-23 21:23:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-23 21:23:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2023-11-23 21:23:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2023-11-23 21:23:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2023-11-23 21:23:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2023-11-23 21:23:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:23:12,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:23:12,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-23 21:23:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-23 21:23:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-23 21:23:12,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-23 21:23:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:23:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:23:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2023-11-23 21:23:12,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2023-11-23 21:23:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-11-23 21:23:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-11-23 21:23:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:23:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:23:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-23 21:23:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-23 21:23:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-23 21:23:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-23 21:23:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-23 21:23:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-23 21:23:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:23:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:23:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2023-11-23 21:23:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2023-11-23 21:23:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-11-23 21:23:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2023-11-23 21:23:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2023-11-23 21:23:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2023-11-23 21:23:12,493 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2023-11-23 21:23:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2023-11-23 21:23:12,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2023-11-23 21:23:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:23:12,494 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:23:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 21:23:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 21:23:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-23 21:23:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-23 21:23:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:23:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:23:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2023-11-23 21:23:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2023-11-23 21:23:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:23:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:23:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:23:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:23:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-23 21:23:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-23 21:23:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 21:23:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 21:23:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 21:23:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 21:23:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2023-11-23 21:23:12,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2023-11-23 21:23:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:23:12,498 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:23:12,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-23 21:23:12,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-23 21:23:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:23:12,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:23:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2023-11-23 21:23:12,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2023-11-23 21:23:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-23 21:23:12,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-23 21:23:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-23 21:23:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-23 21:23:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2023-11-23 21:23:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2023-11-23 21:23:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2023-11-23 21:23:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2023-11-23 21:23:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-23 21:23:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-23 21:23:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2023-11-23 21:23:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2023-11-23 21:23:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:23:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:23:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-23 21:23:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-23 21:23:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-23 21:23:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-23 21:23:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-23 21:23:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-23 21:23:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:23:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-23 21:23:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-23 21:23:13,438 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:13,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:13,743 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:23:24,713 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:29,142 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:29,142 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 21:23:29,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:29 BoogieIcfgContainer [2023-11-23 21:23:29,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:29,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:29,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:29,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:29,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:07" (1/3) ... [2023-11-23 21:23:29,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65290fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:29, skipping insertion in model container [2023-11-23 21:23:29,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:11" (2/3) ... [2023-11-23 21:23:29,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65290fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:29, skipping insertion in model container [2023-11-23 21:23:29,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:29" (3/3) ... [2023-11-23 21:23:29,158 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2023-11-23 21:23:29,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:29,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:29,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:29,319 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a030fb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:29,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:29,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 2127 states, 1067 states have (on average 1.2558575445173383) internal successors, (1340), 1112 states have internal predecessors, (1340), 954 states have call successors, (954), 105 states have call predecessors, (954), 104 states have return successors, (947), 932 states have call predecessors, (947), 947 states have call successors, (947) [2023-11-23 21:23:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 21:23:29,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:29,350 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:29,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:29,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:29,356 INFO L85 PathProgramCache]: Analyzing trace with hash 774349000, now seen corresponding path program 1 times [2023-11-23 21:23:29,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:29,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542211105] [2023-11-23 21:23:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:29,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 21:23:30,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:30,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542211105] [2023-11-23 21:23:30,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542211105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:30,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:30,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:30,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263416650] [2023-11-23 21:23:30,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:30,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:30,925 INFO L87 Difference]: Start difference. First operand has 2127 states, 1067 states have (on average 1.2558575445173383) internal successors, (1340), 1112 states have internal predecessors, (1340), 954 states have call successors, (954), 105 states have call predecessors, (954), 104 states have return successors, (947), 932 states have call predecessors, (947), 947 states have call successors, (947) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-23 21:23:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:35,201 INFO L93 Difference]: Finished difference Result 6325 states and 9681 transitions. [2023-11-23 21:23:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:35,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 59 [2023-11-23 21:23:35,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:35,291 INFO L225 Difference]: With dead ends: 6325 [2023-11-23 21:23:35,292 INFO L226 Difference]: Without dead ends: 4197 [2023-11-23 21:23:35,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:35,335 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 3179 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3179 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:35,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3179 Valid, 5928 Invalid, 558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-23 21:23:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2023-11-23 21:23:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4197. [2023-11-23 21:23:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 2111 states have (on average 1.245381335859782) internal successors, (2629), 2183 states have internal predecessors, (2629), 1879 states have call successors, (1879), 207 states have call predecessors, (1879), 206 states have return successors, (1878), 1848 states have call predecessors, (1878), 1878 states have call successors, (1878) [2023-11-23 21:23:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 6386 transitions. [2023-11-23 21:23:36,032 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 6386 transitions. Word has length 59 [2023-11-23 21:23:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:36,035 INFO L495 AbstractCegarLoop]: Abstraction has 4197 states and 6386 transitions. [2023-11-23 21:23:36,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-23 21:23:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 6386 transitions. [2023-11-23 21:23:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 21:23:36,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:36,052 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:36,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:36,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:36,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1077547142, now seen corresponding path program 1 times [2023-11-23 21:23:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:36,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924756375] [2023-11-23 21:23:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 21:23:37,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:37,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924756375] [2023-11-23 21:23:37,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924756375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:37,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:37,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:23:37,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043978614] [2023-11-23 21:23:37,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:37,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:37,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:37,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:37,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:37,041 INFO L87 Difference]: Start difference. First operand 4197 states and 6386 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 21:23:39,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:40,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:42,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:45,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:23:48,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:48,849 INFO L93 Difference]: Finished difference Result 8377 states and 12783 transitions. [2023-11-23 21:23:48,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:23:48,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2023-11-23 21:23:48,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:48,986 INFO L225 Difference]: With dead ends: 8377 [2023-11-23 21:23:48,986 INFO L226 Difference]: Without dead ends: 8372 [2023-11-23 21:23:49,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:49,002 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 3198 mSDsluCounter, 5895 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 8862 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:49,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3198 Valid, 8862 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 815 Invalid, 3 Unknown, 0 Unchecked, 11.2s Time] [2023-11-23 21:23:49,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2023-11-23 21:23:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8364. [2023-11-23 21:23:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8364 states, 4202 states have (on average 1.2453593526891957) internal successors, (5233), 4346 states have internal predecessors, (5233), 3749 states have call successors, (3749), 413 states have call predecessors, (3749), 412 states have return successors, (3784), 3688 states have call predecessors, (3784), 3748 states have call successors, (3784) [2023-11-23 21:23:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8364 states to 8364 states and 12766 transitions. [2023-11-23 21:23:50,266 INFO L78 Accepts]: Start accepts. Automaton has 8364 states and 12766 transitions. Word has length 68 [2023-11-23 21:23:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:50,266 INFO L495 AbstractCegarLoop]: Abstraction has 8364 states and 12766 transitions. [2023-11-23 21:23:50,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 21:23:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8364 states and 12766 transitions. [2023-11-23 21:23:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-23 21:23:50,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:50,285 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:50,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:50,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:50,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -304540574, now seen corresponding path program 1 times [2023-11-23 21:23:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:50,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732711890] [2023-11-23 21:23:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms