./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/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_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/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_6f61142d-d062-470c-b505-bb2c7f24a92d/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 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:55,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:55,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:17:55,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:55,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:55,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:55,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:55,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:55,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:55,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:55,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:55,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:55,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:55,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:55,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:55,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:55,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:55,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:55,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:55,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:55,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:55,369 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:55,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:55,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:55,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:55,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:55,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:55,372 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:55,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:55,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:55,373 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_6f61142d-d062-470c-b505-bb2c7f24a92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2259272f0273dfac0cad582092d6645e308d8387476548b6016b816b129472dc [2023-11-24 22:17:55,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:55,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:55,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:55,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:55,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:55,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2023-11-24 22:17:58,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:59,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:59,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i [2023-11-24 22:17:59,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/data/e28892380/7535ed725a2540f189d35f86fba65386/FLAGfc116865d [2023-11-24 22:17:59,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/data/e28892380/7535ed725a2540f189d35f86fba65386 [2023-11-24 22:17:59,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:59,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:59,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:59,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:59,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:59,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:59" (1/1) ... [2023-11-24 22:17:59,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f43960c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:59, skipping insertion in model container [2023-11-24 22:17:59,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:59" (1/1) ... [2023-11-24 22:17:59,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:00,914 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_6f61142d-d062-470c-b505-bb2c7f24a92d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2023-11-24 22:18:01,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:01,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:01,207 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)); [3881-3882] [2023-11-24 22:18:01,332 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_6f61142d-d062-470c-b505-bb2c7f24a92d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--platform--x86--ideapad-laptop.ko-main.cil.out.i[160403,160416] [2023-11-24 22:18:01,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:01,417 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:01,426 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:01,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01 WrapperNode [2023-11-24 22:18:01,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:01,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:01,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:01,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:01,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,616 INFO L138 Inliner]: procedures = 196, calls = 1051, calls flagged for inlining = 91, calls inlined = 82, statements flattened = 2659 [2023-11-24 22:18:01,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:01,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:01,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:01,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:01,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:01,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:01,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:01,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:01,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:01" (1/1) ... [2023-11-24 22:18:01,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:01,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:01,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f61142d-d062-470c-b505-bb2c7f24a92d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:18:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_exit [2023-11-24 22:18:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_exit [2023-11-24 22:18:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-11-24 22:18:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-11-24 22:18:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 22:18:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 22:18:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_input_report [2023-11-24 22:18:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_input_report [2023-11-24 22:18:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-24 22:18:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-11-24 22:18:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 22:18:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 22:18:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 22:18:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 22:18:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-24 22:18:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-24 22:18:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_rfk_state [2023-11-24 22:18:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_rfk_state [2023-11-24 22:18:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 22:18:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:18:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read_ec_data [2023-11-24 22:18:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ec_data [2023-11-24 22:18:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-24 22:18:01,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-24 22:18:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_sync_touchpad_state [2023-11-24 22:18:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_sync_touchpad_state [2023-11-24 22:18:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:18:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 22:18:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 22:18:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 22:18:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 22:18:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_init [2023-11-24 22:18:01,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_init [2023-11-24 22:18:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2023-11-24 22:18:01,969 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2023-11-24 22:18:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-24 22:18:01,970 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-24 22:18:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_notify [2023-11-24 22:18:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_notify [2023-11-24 22:18:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-24 22:18:01,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-24 22:18:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:18:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2023-11-24 22:18:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2023-11-24 22:18:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure backlight_update_status [2023-11-24 22:18:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure backlight_update_status [2023-11-24 22:18:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-24 22:18:01,972 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2023-11-24 22:18:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_add [2023-11-24 22:18:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_add [2023-11-24 22:18:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_update_status [2023-11-24 22:18:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_update_status [2023-11-24 22:18:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 22:18:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 22:18:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_init_sw_state [2023-11-24 22:18:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_init_sw_state [2023-11-24 22:18:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 22:18:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 22:18:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-24 22:18:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-24 22:18:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-24 22:18:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-24 22:18:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_backlight_get_brightness [2023-11-24 22:18:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_backlight_get_brightness [2023-11-24 22:18:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_unregister_rfkill [2023-11-24 22:18:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_unregister_rfkill [2023-11-24 22:18:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:18:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-24 22:18:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2023-11-24 22:18:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcr [2023-11-24 22:18:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcr [2023-11-24 22:18:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure method_vpcw [2023-11-24 22:18:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure method_vpcw [2023-11-24 22:18:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure sparse_keymap_free [2023-11-24 22:18:01,979 INFO L138 BoogieDeclarations]: Found implementation of procedure sparse_keymap_free [2023-11-24 22:18:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:18:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 22:18:01,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 22:18:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_acpi_resume [2023-11-24 22:18:01,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_acpi_resume [2023-11-24 22:18:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure write_ec_cmd [2023-11-24 22:18:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ec_cmd [2023-11-24 22:18:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_platform_exit [2023-11-24 22:18:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_platform_exit [2023-11-24 22:18:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure ideapad_debugfs_exit [2023-11-24 22:18:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ideapad_debugfs_exit [2023-11-24 22:18:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:02,460 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:02,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:15,202 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:16,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:16,562 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:16,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:16 BoogieIcfgContainer [2023-11-24 22:18:16,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:16,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:16,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:16,576 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:16,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 497 states and 733 transitions. [2023-11-24 22:18:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 733 transitions. [2023-11-24 22:18:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:18:16,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:16,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:18,515 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 22:18:28,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 22:18:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 509 states and 813 transitions. [2023-11-24 22:18:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 813 transitions. [2023-11-24 22:18:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:18:28,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:40,194 WARN L539 Checker$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 22:18:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 526 states and 910 transitions. [2023-11-24 22:18:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 910 transitions. [2023-11-24 22:18:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:18:40,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:40,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:41,369 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 22:18:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 527 states and 911 transitions. [2023-11-24 22:18:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 911 transitions. [2023-11-24 22:18:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:18:41,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:41,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:42,199 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 22:18:52,393 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 22:18:52,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 545 states and 1009 transitions. [2023-11-24 22:18:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1009 transitions. [2023-11-24 22:18:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:18:52,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.