./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.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_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/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_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/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_fd5def61-ea5d-4652-9920-c1a1b999ec81/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 e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:18,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:18,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:04:18,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:18,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:18,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:18,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:18,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:18,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:18,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:18,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:18,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:18,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:18,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:18,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:18,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:18,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:18,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:18,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:18,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:18,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:18,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:18,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:18,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:18,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:18,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:18,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:18,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:18,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:18,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:18,842 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_fd5def61-ea5d-4652-9920-c1a1b999ec81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2023-11-24 23:04:19,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:19,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:19,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:19,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:19,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:19,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2023-11-24 23:04:22,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:22,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:22,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2023-11-24 23:04:22,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/data/dbccddfe3/7d62069572964995990bf9bd9f23b45e/FLAG4d06ec625 [2023-11-24 23:04:22,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/data/dbccddfe3/7d62069572964995990bf9bd9f23b45e [2023-11-24 23:04:22,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:22,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:22,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:22,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:22,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:22,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:22" (1/1) ... [2023-11-24 23:04:22,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d7df3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:22, skipping insertion in model container [2023-11-24 23:04:22,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:22" (1/1) ... [2023-11-24 23:04:23,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:23,884 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_fd5def61-ea5d-4652-9920-c1a1b999ec81/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2023-11-24 23:04:24,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:24,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:24,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2776-2777] [2023-11-24 23:04:24,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2811] [2023-11-24 23:04:24,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2814] [2023-11-24 23:04:24,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2817] [2023-11-24 23:04:24,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2820] [2023-11-24 23:04:24,762 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_fd5def61-ea5d-4652-9920-c1a1b999ec81/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2023-11-24 23:04:24,798 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3893] [2023-11-24 23:04:24,800 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3915] [2023-11-24 23:04:24,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:25,031 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:25,031 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:25,031 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:25,039 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:25,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25 WrapperNode [2023-11-24 23:04:25,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:25,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:25,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:25,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:25,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,374 INFO L138 Inliner]: procedures = 203, calls = 1322, calls flagged for inlining = 90, calls inlined = 90, statements flattened = 3851 [2023-11-24 23:04:25,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:25,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:25,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:25,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:25,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:25,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:25,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:25,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:25,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:25" (1/1) ... [2023-11-24 23:04:25,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:25,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:25,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5def61-ea5d-4652-9920-c1a1b999ec81/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-11-24 23:04:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-11-24 23:04:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-24 23:04:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-24 23:04:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:04:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:04:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:04:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:04:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-11-24 23:04:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-11-24 23:04:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-11-24 23:04:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-11-24 23:04:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-11-24 23:04:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-11-24 23:04:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-24 23:04:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-24 23:04:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:04:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:04:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-11-24 23:04:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-11-24 23:04:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-11-24 23:04:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-11-24 23:04:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-24 23:04:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-24 23:04:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-11-24 23:04:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-11-24 23:04:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:04:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:04:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:04:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:04:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-11-24 23:04:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-11-24 23:04:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:04:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:04:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:04:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:04:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-11-24 23:04:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-11-24 23:04:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-11-24 23:04:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-11-24 23:04:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:04:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:04:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:04:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-11-24 23:04:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-11-24 23:04:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-11-24 23:04:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-11-24 23:04:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:04:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:04:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:04:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:04:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-24 23:04:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-24 23:04:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:04:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:04:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:04:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-24 23:04:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-24 23:04:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-24 23:04:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-24 23:04:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:04:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:04:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:04:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:04:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:04:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:04:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-24 23:04:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-24 23:04:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:04:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:04:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:04:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:04:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-11-24 23:04:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-11-24 23:04:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:04:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:04:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-24 23:04:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-24 23:04:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:04:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:04:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:04:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-24 23:04:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-24 23:04:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:04:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-24 23:04:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:04:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:04:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:04:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-11-24 23:04:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-11-24 23:04:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:04:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:04:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-11-24 23:04:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-11-24 23:04:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-24 23:04:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-24 23:04:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-11-24 23:04:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-11-24 23:04:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-11-24 23:04:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-11-24 23:04:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-11-24 23:04:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-11-24 23:04:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:04:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:04:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2023-11-24 23:04:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2023-11-24 23:04:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-24 23:04:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-11-24 23:04:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-11-24 23:04:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-24 23:04:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-11-24 23:04:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-11-24 23:04:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-24 23:04:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-24 23:04:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:04:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-24 23:04:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-11-24 23:04:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-11-24 23:04:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-11-24 23:04:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-11-24 23:04:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-24 23:04:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-24 23:04:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:04:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:04:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-24 23:04:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-24 23:04:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-11-24 23:04:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-11-24 23:04:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-24 23:04:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-24 23:04:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:04:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:04:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-11-24 23:04:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-11-24 23:04:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-11-24 23:04:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-11-24 23:04:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:04:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:04:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-11-24 23:04:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-11-24 23:04:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-24 23:04:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-24 23:04:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-11-24 23:04:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-11-24 23:04:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-24 23:04:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-24 23:04:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:04:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:04:26,437 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:26,527 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:26,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:04:40,268 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:41,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:41,822 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:41,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:41 BoogieIcfgContainer [2023-11-24 23:04:41,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:41,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:41,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:41,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:41,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:41" (1/1) ... [2023-11-24 23:04:41,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1100 states and 1633 transitions. [2023-11-24 23:04:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1633 transitions. [2023-11-24 23:04:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:04:42,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:04:54,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:04:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1105 states and 1658 transitions. [2023-11-24 23:04:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1658 transitions. [2023-11-24 23:04:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:04:55,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:55,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:05:07,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:05:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1116 states and 1707 transitions. [2023-11-24 23:05:07,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1707 transitions. [2023-11-24 23:05:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:05:07,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:05:19,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:05:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1128 states and 1757 transitions. [2023-11-24 23:05:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1757 transitions. [2023-11-24 23:05:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:05:19,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:19,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-24 23:05:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1129 states and 1758 transitions. [2023-11-24 23:05:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1758 transitions. [2023-11-24 23:05:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 23:05:21,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms