./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 0e0057cc 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_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/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_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:06:50,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:50,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:06:50,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:50,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:50,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:50,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:50,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:50,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:50,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:50,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:50,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:50,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:50,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:50,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:50,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:50,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:50,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:50,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:50,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:50,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:50,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:50,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:50,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:50,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:50,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:50,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:50,294 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:50,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:50,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:50,295 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_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2023-11-24 23:06:50,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:50,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:50,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:50,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:50,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:50,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/../../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 [2023-11-24 23:06:53,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:54,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:54,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/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 [2023-11-24 23:06:54,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/data/2413f75bb/2fec3026121c40298f1959c3901636ee/FLAGc54c606f8 [2023-11-24 23:06:54,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/data/2413f75bb/2fec3026121c40298f1959c3901636ee [2023-11-24 23:06:54,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:54,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:54,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:54,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:54,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:54,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:54" (1/1) ... [2023-11-24 23:06:54,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff8dbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:54, skipping insertion in model container [2023-11-24 23:06:54,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:54" (1/1) ... [2023-11-24 23:06:54,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:55,933 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_da81fd25-72fb-4b6a-87a0-557e221a2621/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] [2023-11-24 23:06:56,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:56,653 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:56,863 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_da81fd25-72fb-4b6a-87a0-557e221a2621/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] [2023-11-24 23:06:57,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:57,136 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:57,144 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:57,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57 WrapperNode [2023-11-24 23:06:57,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:57,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:57,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:57,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:57,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,478 INFO L138 Inliner]: procedures = 183, calls = 1631, calls flagged for inlining = 85, calls inlined = 66, statements flattened = 3184 [2023-11-24 23:06:57,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:57,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:57,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:57,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:57,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:57,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:57,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:57,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:57,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:57" (1/1) ... [2023-11-24 23:06:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:57,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:57,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da81fd25-72fb-4b6a-87a0-557e221a2621/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:06:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:06:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2023-11-24 23:06:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2023-11-24 23:06:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:06:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2023-11-24 23:06:57,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2023-11-24 23:06:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2023-11-24 23:06:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2023-11-24 23:06:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:06:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-24 23:06:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-24 23:06:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:06:57,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:06:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:06:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:06:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-24 23:06:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-24 23:06:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-24 23:06:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-24 23:06:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:06:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:06:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-24 23:06:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-24 23:06:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2023-11-24 23:06:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2023-11-24 23:06:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:06:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:06:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-24 23:06:57,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-24 23:06:57,883 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-11-24 23:06:57,884 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-11-24 23:06:57,884 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:06:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:06:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-24 23:06:57,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-24 23:06:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:06:57,885 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2023-11-24 23:06:57,886 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2023-11-24 23:06:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:06:57,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:06:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-24 23:06:57,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-24 23:06:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2023-11-24 23:06:57,889 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2023-11-24 23:06:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:06:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:06:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2023-11-24 23:06:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2023-11-24 23:06:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:06:57,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:06:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:06:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:06:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:06:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:06:57,891 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:06:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-24 23:06:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-24 23:06:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2023-11-24 23:06:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2023-11-24 23:06:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:06:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:06:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2023-11-24 23:06:57,893 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2023-11-24 23:06:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2023-11-24 23:06:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2023-11-24 23:06:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:06:57,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:06:57,894 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:06:57,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:06:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:57,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:06:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-11-24 23:06:57,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-11-24 23:06:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:06:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:06:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:06:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2023-11-24 23:06:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2023-11-24 23:06:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:06:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:06:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:06:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2023-11-24 23:06:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2023-11-24 23:06:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-24 23:06:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-24 23:06:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-24 23:06:57,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-24 23:06:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:06:57,900 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-24 23:06:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-24 23:06:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2023-11-24 23:06:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2023-11-24 23:06:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-24 23:06:57,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-24 23:06:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2023-11-24 23:06:57,902 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2023-11-24 23:06:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:06:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:06:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:06:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:06:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-24 23:06:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-24 23:06:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:06:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:06:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2023-11-24 23:06:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2023-11-24 23:06:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-24 23:06:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-24 23:06:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:06:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:06:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2023-11-24 23:06:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2023-11-24 23:06:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-24 23:06:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-24 23:06:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-24 23:06:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-24 23:06:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-24 23:06:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-24 23:06:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:06:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:06:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:06:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:06:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:06:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:58,513 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:58,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:58,895 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:07:00,047 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-24 23:07:11,790 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:12,729 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:12,729 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:12,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:12 BoogieIcfgContainer [2023-11-24 23:07:12,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:12,732 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:12,733 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:12,743 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:12,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:12" (1/1) ... [2023-11-24 23:07:12,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 704 states and 1009 transitions. [2023-11-24 23:07:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1009 transitions. [2023-11-24 23:07:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:07:12,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:24,492 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 [] [2023-11-24 23:07:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 709 states and 1027 transitions. [2023-11-24 23:07:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1027 transitions. [2023-11-24 23:07:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:07:24,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:24,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 710 states and 1028 transitions. [2023-11-24 23:07:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1028 transitions. [2023-11-24 23:07:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:25,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:25,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 713 states and 1045 transitions. [2023-11-24 23:07:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1045 transitions. [2023-11-24 23:07:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:26,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:26,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 712 states and 1041 transitions. [2023-11-24 23:07:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1041 transitions. [2023-11-24 23:07:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:07:27,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:27,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:07:38,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:07:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:39,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 724 states and 1078 transitions. [2023-11-24 23:07:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1078 transitions. [2023-11-24 23:07:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:07:39,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 726 states and 1080 transitions. [2023-11-24 23:07:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1080 transitions. [2023-11-24 23:07:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:07:40,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:40,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 725 states and 1075 transitions. [2023-11-24 23:07:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1075 transitions. [2023-11-24 23:07:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:07:41,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:41,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:07:52,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:07:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 738 states and 1111 transitions. [2023-11-24 23:07:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1111 transitions. [2023-11-24 23:07:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:07:53,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:53,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms