./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b0b41862c2f2ed85815e97691c99c06d3eb1c9f09c717c7d2a79de23098870a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:38,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:38,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 04:05:38,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:38,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:38,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:38,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:38,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:38,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:38,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:38,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:38,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:38,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:38,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:38,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:38,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:38,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:38,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:38,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:38,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:38,299 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:38,299 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:38,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:38,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:38,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:38,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:38,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:38,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:38,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:38,304 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:38,304 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_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b0b41862c2f2ed85815e97691c99c06d3eb1c9f09c717c7d2a79de23098870a [2023-11-19 04:05:38,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:38,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:38,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:38,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:38,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:38,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i [2023-11-19 04:05:41,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:42,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:42,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i [2023-11-19 04:05:42,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/data/bba109e11/77207423b67f4271aef245167771ad7c/FLAGbca6c5d35 [2023-11-19 04:05:42,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/data/bba109e11/77207423b67f4271aef245167771ad7c [2023-11-19 04:05:42,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:42,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:42,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:42,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:42,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:42,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:42" (1/1) ... [2023-11-19 04:05:42,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a72d816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:42, skipping insertion in model container [2023-11-19 04:05:42,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:42" (1/1) ... [2023-11-19 04:05:42,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:43,048 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3724] [2023-11-19 04:05:43,049 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3725-3726] [2023-11-19 04:05:43,340 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_4d7ecf15-b250-445c-836a-09d6618d7406/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i[111472,111485] [2023-11-19 04:05:44,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:44,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:44,526 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3724] [2023-11-19 04:05:44,527 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3725-3726] [2023-11-19 04:05:44,535 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_4d7ecf15-b250-445c-836a-09d6618d7406/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-aloop.ko-entry_point.cil.out.i[111472,111485] [2023-11-19 04:05:44,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:44,870 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:05:44,878 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:44,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44 WrapperNode [2023-11-19 04:05:44,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:44,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:44,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:44,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:44,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,167 INFO L138 Inliner]: procedures = 205, calls = 1673, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 3765 [2023-11-19 04:05:45,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:45,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:45,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:45,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:45,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:45,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:45,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:45,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:45,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:44" (1/1) ... [2023-11-19 04:05:45,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:45,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:45,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:45,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d7ecf15-b250-445c-836a-09d6618d7406/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure get_setup [2023-11-19 04:05:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_setup [2023-11-19 04:05:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:05:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:05:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:05:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:05:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:05:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:05:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_set_silence [2023-11-19 04:05:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_set_silence [2023-11-19 04:05:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:05:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:05:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure byte_pos [2023-11-19 04:05:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure byte_pos [2023-11-19 04:05:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:05:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:05:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_trigger [2023-11-19 04:05:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_trigger [2023-11-19 04:05:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_pcm_new [2023-11-19 04:05:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_pcm_new [2023-11-19 04:05:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:05:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:05:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:05:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:05:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_open [2023-11-19 04:05:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_open [2023-11-19 04:05:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure params_change [2023-11-19 04:05:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure params_change [2023-11-19 04:05:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:05:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:05:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2023-11-19 04:05:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2023-11-19 04:05:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_rule_add [2023-11-19 04:05:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_rule_add [2023-11-19 04:05:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2023-11-19 04:05:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2023-11-19 04:05:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 04:05:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 04:05:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_timer_stop [2023-11-19 04:05:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_timer_stop [2023-11-19 04:05:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:05:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:05:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_hw_free [2023-11-19 04:05:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_hw_free [2023-11-19 04:05:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_cable_index [2023-11-19 04:05:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cable_index [2023-11-19 04:05:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_suspend_all [2023-11-19 04:05:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_suspend_all [2023-11-19 04:05:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:05:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:05:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:05:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 04:05:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 04:05:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:05:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:05:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:05:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:05:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_get_vmalloc_page [2023-11-19 04:05:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_get_vmalloc_page [2023-11-19 04:05:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:05:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:05:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_close [2023-11-19 04:05:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_close [2023-11-19 04:05:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:05:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:05:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:05:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:05:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_active_notify [2023-11-19 04:05:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_active_notify [2023-11-19 04:05:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:05:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:05:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:05:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 04:05:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 04:05:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_pointer [2023-11-19 04:05:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_pointer [2023-11-19 04:05:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:05:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_hw_params [2023-11-19 04:05:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_hw_params [2023-11-19 04:05:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:05:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure bytepos_finish [2023-11-19 04:05:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bytepos_finish [2023-11-19 04:05:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_timer_start [2023-11-19 04:05:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_timer_start [2023-11-19 04:05:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_prepare [2023-11-19 04:05:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_prepare [2023-11-19 04:05:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 04:05:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 04:05:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_proc_new [2023-11-19 04:05:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_proc_new [2023-11-19 04:05:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:05:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:05:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:05:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:05:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure bytepos_delta [2023-11-19 04:05:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bytepos_delta [2023-11-19 04:05:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_suspend [2023-11-19 04:05:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_suspend [2023-11-19 04:05:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2023-11-19 04:05:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2023-11-19 04:05:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:05:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_notify [2023-11-19 04:05:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_notify [2023-11-19 04:05:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_resume [2023-11-19 04:05:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_resume [2023-11-19 04:05:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_pos_update [2023-11-19 04:05:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_pos_update [2023-11-19 04:05:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2023-11-19 04:05:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2023-11-19 04:05:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2023-11-19 04:05:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2023-11-19 04:05:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2023-11-19 04:05:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2023-11-19 04:05:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 04:05:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 04:05:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2023-11-19 04:05:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2023-11-19 04:05:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_unregister_all [2023-11-19 04:05:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_unregister_all [2023-11-19 04:05:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:05:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:05:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure clear_capture_buf [2023-11-19 04:05:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_capture_buf [2023-11-19 04:05:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure params_change_substream [2023-11-19 04:05:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure params_change_substream [2023-11-19 04:05:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:05:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:05:46,168 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:46,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:46,721 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;