./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E --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 d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:02:34,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:02:34,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:02:34,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:02:34,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:02:34,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:02:34,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:02:34,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:02:34,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:02:34,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:02:34,662 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:02:34,662 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:02:34,664 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:02:34,665 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:02:34,665 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:02:34,665 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:02:34,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:02:34,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:02:34,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:02:34,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:02:34,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:02:34,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:02:34,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:02:34,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:02:34,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:02:34,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:02:34,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:02:34,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:02:34,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:02:34,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:34,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:02:34,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:02:34,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:02:34,669 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:02:34,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:02:34,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:02:34,670 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:02:34,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:02:34,670 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E 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 -> d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 [2024-11-14 05:02:35,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:02:35,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:02:35,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:02:35,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:02:35,048 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:02:35,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 05:02:37,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:02:38,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:02:38,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2024-11-14 05:02:38,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/data/11057d1df/c347e78803f3432089e63bad5fd9fd44/FLAG564922884 [2024-11-14 05:02:38,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/data/11057d1df/c347e78803f3432089e63bad5fd9fd44 [2024-11-14 05:02:38,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:02:38,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:02:38,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:38,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:02:38,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:02:38,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:38" (1/1) ... [2024-11-14 05:02:38,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd9be7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:38, skipping insertion in model container [2024-11-14 05:02:38,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:38" (1/1) ... [2024-11-14 05:02:38,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:02:39,142 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2024-11-14 05:02:39,143 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2024-11-14 05:02:39,345 WARN L250 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_22a7dda4-e947-4cfa-8880-4ca7c2769956/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2024-11-14 05:02:40,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:40,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:02:40,317 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2024-11-14 05:02:40,317 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2024-11-14 05:02:40,333 WARN L250 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_22a7dda4-e947-4cfa-8880-4ca7c2769956/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2024-11-14 05:02:40,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:40,715 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:02:40,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40 WrapperNode [2024-11-14 05:02:40,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:40,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:40,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:02:40,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:02:40,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:40,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,089 INFO L138 Inliner]: procedures = 157, calls = 2015, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 3605 [2024-11-14 05:02:41,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:41,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:02:41,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:02:41,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:02:41,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:02:41,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:02:41,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:02:41,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:02:41,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (1/1) ... [2024-11-14 05:02:41,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:41,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:41,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:02:41,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a7dda4-e947-4cfa-8880-4ca7c2769956/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:02:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-14 05:02:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-14 05:02:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:02:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-14 05:02:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-14 05:02:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmget [2024-11-14 05:02:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmget [2024-11-14 05:02:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2024-11-14 05:02:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2024-11-14 05:02:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:02:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:02:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 05:02:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 05:02:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-14 05:02:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-14 05:02:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:02:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_interface [2024-11-14 05:02:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_interface [2024-11-14 05:02:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2024-11-14 05:02:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2024-11-14 05:02:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_resume [2024-11-14 05:02:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_resume [2024-11-14 05:02:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-14 05:02:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-14 05:02:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-14 05:02:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-14 05:02:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:02:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:02:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_close [2024-11-14 05:02:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_close [2024-11-14 05:02:41,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-14 05:02:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_rx_urbs [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_rx_urbs [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_probe [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_probe [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_send_setup [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_send_setup [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-14 05:02:41,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 05:02:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 05:02:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-14 05:02:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-14 05:02:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-14 05:02:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 05:02:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 05:02:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-14 05:02:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-14 05:02:41,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 05:02:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:02:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_dtr_rts [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_dtr_rts [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_chars_in_buffer [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_chars_in_buffer [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 05:02:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-14 05:02:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-14 05:02:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write_room [2024-11-14 05:02:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write_room [2024-11-14 05:02:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:02:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:02:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_instat_callback [2024-11-14 05:02:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_instat_callback [2024-11-14 05:02:41,491 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_stop_rx_urbs [2024-11-14 05:02:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_stop_rx_urbs [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_remove [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_remove [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_num_ports [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_num_ports [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmset [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmset [2024-11-14 05:02:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release_urb [2024-11-14 05:02:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release_urb [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_open [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_open [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_suspend [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_suspend [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 05:02:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:02:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:02:42,267 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:02:42,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:02:42,547 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 05:03:24,723 INFO L? ?]: Removed 818 outVars from TransFormulas that were not future-live. [2024-11-14 05:03:24,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:03:26,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:03:26,990 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:03:26,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:03:26 BoogieIcfgContainer [2024-11-14 05:03:26,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:03:26,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:03:26,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:03:27,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:03:27,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:38" (1/3) ... [2024-11-14 05:03:27,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bcc58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:03:27, skipping insertion in model container [2024-11-14 05:03:27,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:40" (2/3) ... [2024-11-14 05:03:27,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bcc58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:03:27, skipping insertion in model container [2024-11-14 05:03:27,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:03:26" (3/3) ... [2024-11-14 05:03:27,008 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2024-11-14 05:03:27,031 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:03:27,034 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i that has 62 procedures, 837 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-14 05:03:27,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:03:27,187 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;@4e804893, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:03:27,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:03:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 836 states, 515 states have (on average 1.3339805825242719) internal successors, (687), 528 states have internal predecessors, (687), 259 states have call successors, (259), 61 states have call predecessors, (259), 60 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-14 05:03:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 05:03:27,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:27,219 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:03:27,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:03:27,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:27,227 INFO L85 PathProgramCache]: Analyzing trace with hash 776246471, now seen corresponding path program 1 times [2024-11-14 05:03:27,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457490151] [2024-11-14 05:03:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms