./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2 --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 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:22,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:22,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:38:22,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:22,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:22,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:22,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:22,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:22,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:22,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:22,610 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:22,610 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:22,613 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:22,614 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:22,615 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:22,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:22,615 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:22,616 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:22,616 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:22,616 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:22,617 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:22,623 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:22,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:22,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:22,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:22,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:22,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:22,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:22,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:22,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:22,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:22,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:22,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:22,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:22,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:22,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:22,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:22,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:22,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:22,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:22,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:22,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:22,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:22,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:22,631 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_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 [2024-11-02 12:38:22,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:22,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:22,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:22,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:22,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:22,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:38:25,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:25,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:25,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2024-11-02 12:38:25,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/data/85702bccb/3e679f12644c489cbc2e23f006bf4efa/FLAG3c4ad10e1 [2024-11-02 12:38:25,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/data/85702bccb/3e679f12644c489cbc2e23f006bf4efa [2024-11-02 12:38:25,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:25,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:25,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:25,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:25,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:25,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:25" (1/1) ... [2024-11-02 12:38:25,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa5814b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:25, skipping insertion in model container [2024-11-02 12:38:25,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:25" (1/1) ... [2024-11-02 12:38:25,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:38:27,810 WARN L251 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_d197d213-ae5f-4d82-b9d5-1474783dd046/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2024-11-02 12:38:28,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:28,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:38:28,584 WARN L251 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_d197d213-ae5f-4d82-b9d5-1474783dd046/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2024-11-02 12:38:28,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:38:28,723 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:38:28,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28 WrapperNode [2024-11-02 12:38:28,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:28,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:28,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:38:28,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:38:28,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:28,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,105 INFO L138 Inliner]: procedures = 223, calls = 2693, calls flagged for inlining = 70, calls inlined = 65, statements flattened = 5981 [2024-11-02 12:38:29,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:38:29,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:38:29,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:38:29,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:38:29,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:38:29,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:38:29,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:38:29,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:38:29,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (1/1) ... [2024-11-02 12:38:29,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:29,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:38:29,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:38:29,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d197d213-ae5f-4d82-b9d5-1474783dd046/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:38:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-02 12:38:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-02 12:38:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2024-11-02 12:38:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2024-11-02 12:38:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-02 12:38:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-02 12:38:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:38:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:38:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:38:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:38:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:38:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:38:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2024-11-02 12:38:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2024-11-02 12:38:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2024-11-02 12:38:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2024-11-02 12:38:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:38:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:38:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2024-11-02 12:38:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2024-11-02 12:38:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2024-11-02 12:38:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2024-11-02 12:38:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-02 12:38:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-02 12:38:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2024-11-02 12:38:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2024-11-02 12:38:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2024-11-02 12:38:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2024-11-02 12:38:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:38:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:38:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:38:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:38:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2024-11-02 12:38:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2024-11-02 12:38:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2024-11-02 12:38:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2024-11-02 12:38:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_remove [2024-11-02 12:38:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_remove [2024-11-02 12:38:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-02 12:38:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-02 12:38:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 12:38:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 12:38:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_probe [2024-11-02 12:38:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_probe [2024-11-02 12:38:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:38:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2024-11-02 12:38:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2024-11-02 12:38:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2024-11-02 12:38:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2024-11-02 12:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2024-11-02 12:38:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2024-11-02 12:38:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:38:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tx_empty [2024-11-02 12:38:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tx_empty [2024-11-02 12:38:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 12:38:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 12:38:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-02 12:38:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-02 12:38:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:38:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2024-11-02 12:38:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2024-11-02 12:38:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:38:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2024-11-02 12:38:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2024-11-02 12:38:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:38:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:38:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-02 12:38:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-02 12:38:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2024-11-02 12:38:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2024-11-02 12:38:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-02 12:38:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-02 12:38:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-02 12:38:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-02 12:38:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-02 12:38:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-02 12:38:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-02 12:38:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-02 12:38:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-02 12:38:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-02 12:38:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-02 12:38:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-11-02 12:38:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:38:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:38:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2024-11-02 12:38:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2024-11-02 12:38:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-02 12:38:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-02 12:38:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-02 12:38:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-02 12:38:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2024-11-02 12:38:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2024-11-02 12:38:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2024-11-02 12:38:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2024-11-02 12:38:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:38:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:38:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:38:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-02 12:38:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-02 12:38:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2024-11-02 12:38:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2024-11-02 12:38:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2024-11-02 12:38:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2024-11-02 12:38:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:38:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:38:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2024-11-02 12:38:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2024-11-02 12:38:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 12:38:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 12:38:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:38:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 12:38:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 12:38:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2024-11-02 12:38:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2024-11-02 12:38:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:38:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:38:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:38:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:38:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2024-11-02 12:38:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2024-11-02 12:38:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-02 12:38:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-02 12:38:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2024-11-02 12:38:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2024-11-02 12:38:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2024-11-02 12:38:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2024-11-02 12:38:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-02 12:38:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-02 12:38:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2024-11-02 12:38:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2024-11-02 12:38:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-02 12:38:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-02 12:38:29,502 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2024-11-02 12:38:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2024-11-02 12:38:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:38:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2024-11-02 12:38:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2024-11-02 12:38:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-02 12:38:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-02 12:38:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:38:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:38:30,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:38:30,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:38:31,491 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:38:50,550 INFO L? ?]: Removed 1518 outVars from TransFormulas that were not future-live. [2024-11-02 12:38:50,550 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:38:53,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:38:53,451 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-02 12:38:53,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:53 BoogieIcfgContainer [2024-11-02 12:38:53,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:38:53,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:38:53,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:38:53,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:38:53,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:38:25" (1/3) ... [2024-11-02 12:38:53,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f0be22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:53, skipping insertion in model container [2024-11-02 12:38:53,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:28" (2/3) ... [2024-11-02 12:38:53,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f0be22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:38:53, skipping insertion in model container [2024-11-02 12:38:53,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:38:53" (3/3) ... [2024-11-02 12:38:53,468 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2024-11-02 12:38:53,489 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:38:53,489 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:38:53,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:38:53,638 INFO L333 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, 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;@3ff21362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:38:53,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:38:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 1435 states, 922 states have (on average 1.3915401301518437) internal successors, (1283), 949 states have internal predecessors, (1283), 442 states have call successors, (442), 70 states have call predecessors, (442), 69 states have return successors, (438), 432 states have call predecessors, (438), 438 states have call successors, (438) [2024-11-02 12:38:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-02 12:38:53,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:38:53,671 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:38:53,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:38:53,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:38:53,678 INFO L85 PathProgramCache]: Analyzing trace with hash -745516674, now seen corresponding path program 1 times [2024-11-02 12:38:53,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:38:53,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39043201] [2024-11-02 12:38:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:38:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms