./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:10,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:10,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:05:10,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:10,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:10,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:10,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:10,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:10,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:10,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:10,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:10,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:10,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:10,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:10,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:10,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:10,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:10,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:10,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:10,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:10,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:10,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:10,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:10,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:10,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:10,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:10,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:10,605 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:10,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:10,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:10,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2023-11-19 03:05:10,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:10,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:10,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:10,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:10,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:10,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-11-19 03:05:13,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:14,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:14,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-11-19 03:05:14,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/data/232d842b5/66c4efec28fb409b8513547e08dc6945/FLAG97781d0e0 [2023-11-19 03:05:14,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/data/232d842b5/66c4efec28fb409b8513547e08dc6945 [2023-11-19 03:05:14,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:14,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:14,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:14,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:14,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:14,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427f2110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:14, skipping insertion in model container [2023-11-19 03:05:14,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:14" (1/1) ... [2023-11-19 03:05:14,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:15,724 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_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2023-11-19 03:05:16,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:16,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:16,753 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_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2023-11-19 03:05:17,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:17,085 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:17,093 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:17,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17 WrapperNode [2023-11-19 03:05:17,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:17,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:17,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:17,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:17,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,366 INFO L138 Inliner]: procedures = 183, calls = 1631, calls flagged for inlining = 85, calls inlined = 66, statements flattened = 3148 [2023-11-19 03:05:17,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:17,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:17,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:17,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:17,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:17,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:17,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:17,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:17,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:17" (1/1) ... [2023-11-19 03:05:17,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:17,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:17,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_393e83cc-e5c1-495e-b05e-9d1c4d5c3d7e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 03:05:17,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 03:05:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2023-11-19 03:05:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2023-11-19 03:05:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:05:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2023-11-19 03:05:17,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2023-11-19 03:05:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2023-11-19 03:05:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2023-11-19 03:05:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:05:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-19 03:05:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-19 03:05:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:05:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 03:05:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 03:05:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 03:05:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 03:05:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-19 03:05:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-19 03:05:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 03:05:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 03:05:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 03:05:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 03:05:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2023-11-19 03:05:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2023-11-19 03:05:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 03:05:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 03:05:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-19 03:05:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-19 03:05:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-11-19 03:05:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-11-19 03:05:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 03:05:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 03:05:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-19 03:05:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-19 03:05:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2023-11-19 03:05:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2023-11-19 03:05:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 03:05:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 03:05:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 03:05:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 03:05:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2023-11-19 03:05:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2023-11-19 03:05:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 03:05:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 03:05:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2023-11-19 03:05:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2023-11-19 03:05:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:05:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:05:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 03:05:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 03:05:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-19 03:05:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-19 03:05:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2023-11-19 03:05:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2023-11-19 03:05:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 03:05:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 03:05:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2023-11-19 03:05:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2023-11-19 03:05:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2023-11-19 03:05:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2023-11-19 03:05:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 03:05:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 03:05:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 03:05:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 03:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:05:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-11-19 03:05:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-11-19 03:05:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:05:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 03:05:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 03:05:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2023-11-19 03:05:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2023-11-19 03:05:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 03:05:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 03:05:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:05:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2023-11-19 03:05:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2023-11-19 03:05:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-19 03:05:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-19 03:05:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-19 03:05:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-19 03:05:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:05:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 03:05:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 03:05:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2023-11-19 03:05:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2023-11-19 03:05:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-19 03:05:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-19 03:05:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2023-11-19 03:05:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2023-11-19 03:05:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 03:05:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 03:05:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 03:05:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 03:05:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 03:05:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 03:05:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 03:05:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 03:05:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2023-11-19 03:05:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2023-11-19 03:05:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-19 03:05:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-19 03:05:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 03:05:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 03:05:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2023-11-19 03:05:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2023-11-19 03:05:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-19 03:05:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-19 03:05:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 03:05:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 03:05:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 03:05:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 03:05:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 03:05:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 03:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 03:05:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 03:05:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:18,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:18,448 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:18,824 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 03:05:19,973 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-19 03:05:46,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:48,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:48,233 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:48,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:48 BoogieIcfgContainer [2023-11-19 03:05:48,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:48,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:48,256 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:48,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:48,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:48" (1/1) ... [2023-11-19 03:05:48,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 703 states and 1008 transitions. [2023-11-19 03:05:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1008 transitions. [2023-11-19 03:05:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:05:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:48,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:00,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:06:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 708 states and 1026 transitions. [2023-11-19 03:06:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1026 transitions. [2023-11-19 03:06:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:00,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:00,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 709 states and 1027 transitions. [2023-11-19 03:06:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1027 transitions. [2023-11-19 03:06:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:01,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 712 states and 1044 transitions. [2023-11-19 03:06:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1044 transitions. [2023-11-19 03:06:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:02,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:02,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 711 states and 1040 transitions. [2023-11-19 03:06:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1040 transitions. [2023-11-19 03:06:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:06:03,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:03,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.