./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--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:49:49,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:49:49,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:49:49,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:49:49,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:49:49,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:49:49,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:49:49,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:49:49,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:49:49,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:49:49,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:49:49,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:49:49,578 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:49:49,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:49:49,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:49:49,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:49:49,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:49:49,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:49:49,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:49:49,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:49:49,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:49:49,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:49:49,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:49:49,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:49:49,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:49:49,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:49:49,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:49:49,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:49:49,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:49:49,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:49:49,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:49:49,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:49:49,592 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:49:49,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:49:49,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:49:49,593 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:49:49,594 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 [2023-11-06 22:49:49,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:49:49,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:49:49,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:49:49,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:49:49,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:49:49,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2023-11-06 22:49:53,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:49:53,941 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:49:53,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2023-11-06 22:49:54,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/data/0de3710ba/ed569b26661340819602867c42eec4f7/FLAG5e803375c [2023-11-06 22:49:54,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/data/0de3710ba/ed569b26661340819602867c42eec4f7 [2023-11-06 22:49:54,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:49:54,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:49:54,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:54,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:49:54,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:49:54,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:54" (1/1) ... [2023-11-06 22:49:54,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5ceb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:54, skipping insertion in model container [2023-11-06 22:49:54,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:54" (1/1) ... [2023-11-06 22:49:54,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:49:54,935 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2023-11-06 22:49:54,935 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2023-11-06 22:49:55,092 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_c2f6b9ad-4604-4248-a3f2-2e3126196dae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2023-11-06 22:49:58,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:58,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:49:58,638 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2023-11-06 22:49:58,639 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2023-11-06 22:49:58,686 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_c2f6b9ad-4604-4248-a3f2-2e3126196dae/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2023-11-06 22:49:58,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [5553] [2023-11-06 22:49:58,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5629] [2023-11-06 22:49:58,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5636] [2023-11-06 22:49:58,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5645] [2023-11-06 22:49:58,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5653] [2023-11-06 22:49:59,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:49:59,857 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:49:59,865 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:49:59,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59 WrapperNode [2023-11-06 22:49:59,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:49:59,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:49:59,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:49:59,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:49:59,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:00,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:00,622 INFO L138 Inliner]: procedures = 453, calls = 7088, calls flagged for inlining = 214, calls inlined = 200, statements flattened = 13758 [2023-11-06 22:50:00,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:50:00,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:50:00,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:50:00,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:50:00,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:00,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:00,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:00,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:50:01,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:50:01,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:50:01,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:50:01,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (1/1) ... [2023-11-06 22:50:01,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:50:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:50:01,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:50:01,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6b9ad-4604-4248-a3f2-2e3126196dae/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:50:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp [2023-11-06 22:50:01,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp [2023-11-06 22:50:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_read [2023-11-06 22:50:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_read [2023-11-06 22:50:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe [2023-11-06 22:50:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe [2023-11-06 22:50:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb [2023-11-06 22:50:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb [2023-11-06 22:50:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free [2023-11-06 22:50:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free [2023-11-06 22:50:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 22:50:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 22:50:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:50:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:50:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list [2023-11-06 22:50:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list [2023-11-06 22:50:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-06 22:50:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-06 22:50:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume [2023-11-06 22:50:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume [2023-11-06 22:50:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0 [2023-11-06 22:50:01,836 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0 [2023-11-06 22:50:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958 [2023-11-06 22:50:01,837 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958 [2023-11-06 22:50:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close [2023-11-06 22:50:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close [2023-11-06 22:50:01,838 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2023-11-06 22:50:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2023-11-06 22:50:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 22:50:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-06 22:50:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_parameter [2023-11-06 22:50:01,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_parameter [2023-11-06 22:50:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:50:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_free_scb [2023-11-06 22:50:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_free_scb [2023-11-06 22:50:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2023-11-06 22:50:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2023-11-06 22:50:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_free [2023-11-06 22:50:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free [2023-11-06 22:50:01,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:50:01,841 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:50:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params [2023-11-06 22:50:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params [2023-11-06 22:50:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:50:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_write [2023-11-06 22:50:01,842 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_write [2023-11-06 22:50:01,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:50:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:50:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb [2023-11-06 22:50:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb [2023-11-06 22:50:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:50:01,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:50:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc [2023-11-06 22:50:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc [2023-11-06 22:50:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure params_period_bytes [2023-11-06 22:50:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure params_period_bytes [2023-11-06 22:50:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:50:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc [2023-11-06 22:50:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc [2023-11-06 22:50:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb [2023-11-06 22:50:01,846 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb [2023-11-06 22:50:01,846 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer [2023-11-06 22:50:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer [2023-11-06 22:50:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1 [2023-11-06 22:50:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1 [2023-11-06 22:50:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-06 22:50:01,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-06 22:50:01,847 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_add [2023-11-06 22:50:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_add [2023-11-06 22:50:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_free_pages [2023-11-06 22:50:01,848 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages [2023-11-06 22:50:01,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:50:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 22:50:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 22:50:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer [2023-11-06 22:50:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer [2023-11-06 22:50:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate [2023-11-06 22:50:01,849 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate [2023-11-06 22:50:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:50:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:50:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:50:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start [2023-11-06 22:50:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start [2023-11-06 22:50:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 22:50:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 22:50:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all [2023-11-06 22:50:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all [2023-11-06 22:50:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer [2023-11-06 22:50:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer [2023-11-06 22:50:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out [2023-11-06 22:50:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out [2023-11-06 22:50:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-06 22:50:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-06 22:50:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write [2023-11-06 22:50:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write [2023-11-06 22:50:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:50:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:50:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-06 22:50:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-06 22:50:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer [2023-11-06 22:50:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer [2023-11-06 22:50:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2023-11-06 22:50:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2023-11-06 22:50:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove [2023-11-06 22:50:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove [2023-11-06 22:50:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link [2023-11-06 22:50:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link [2023-11-06 22:50:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot [2023-11-06 22:50:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot [2023-11-06 22:50:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:50:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:50:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:50:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:50:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:50:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume [2023-11-06 22:50:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume [2023-11-06 22:50:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_scb [2023-11-06 22:50:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_scb [2023-11-06 22:50:01,875 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger [2023-11-06 22:50:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger [2023-11-06 22:50:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger [2023-11-06 22:50:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger [2023-11-06 22:50:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel [2023-11-06 22:50:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel [2023-11-06 22:50:01,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:50:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:50:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-06 22:50:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-06 22:50:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:50:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:50:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare [2023-11-06 22:50:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare [2023-11-06 22:50:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb [2023-11-06 22:50:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb [2023-11-06 22:50:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2023-11-06 22:50:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2023-11-06 22:50:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink [2023-11-06 22:50:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink [2023-11-06 22:50:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure clkrun_init [2023-11-06 22:50:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure clkrun_init [2023-11-06 22:50:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:50:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:50:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2023-11-06 22:50:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2023-11-06 22:50:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958 [2023-11-06 22:50:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958 [2023-11-06 22:50:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek [2023-11-06 22:50:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek [2023-11-06 22:50:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 22:50:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 22:50:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure add_symbol [2023-11-06 22:50:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure add_symbol [2023-11-06 22:50:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:50:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:50:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open [2023-11-06 22:50:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open [2023-11-06 22:50:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop [2023-11-06 22:50:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop [2023-11-06 22:50:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2023-11-06 22:50:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2023-11-06 22:50:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate [2023-11-06 22:50:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate [2023-11-06 22:50:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2023-11-06 22:50:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2023-11-06 22:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:50:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-06 22:50:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-06 22:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes [2023-11-06 22:50:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes [2023-11-06 22:50:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec [2023-11-06 22:50:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec [2023-11-06 22:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset [2023-11-06 22:50:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset [2023-11-06 22:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:50:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:50:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open [2023-11-06 22:50:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open [2023-11-06 22:50:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb [2023-11-06 22:50:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb [2023-11-06 22:50:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out [2023-11-06 22:50:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out [2023-11-06 22:50:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer [2023-11-06 22:50:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer [2023-11-06 22:50:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages [2023-11-06 22:50:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages [2023-11-06 22:50:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close [2023-11-06 22:50:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close [2023-11-06 22:50:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure amp_voyetra [2023-11-06 22:50:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amp_voyetra [2023-11-06 22:50:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_segment_desc [2023-11-06 22:50:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_segment_desc [2023-11-06 22:50:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:50:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:50:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:50:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:50:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree [2023-11-06 22:50:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree [2023-11-06 22:50:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free [2023-11-06 22:50:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free [2023-11-06 22:50:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:50:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:50:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-06 22:50:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-06 22:50:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:50:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:50:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure free_module_desc [2023-11-06 22:50:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure free_module_desc [2023-11-06 22:50:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_new [2023-11-06 22:50:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_new [2023-11-06 22:50:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb [2023-11-06 22:50:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb [2023-11-06 22:50:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:50:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:50:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend [2023-11-06 22:50:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend [2023-11-06 22:50:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:50:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages [2023-11-06 22:50:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages [2023-11-06 22:50:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-06 22:50:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-06 22:50:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare [2023-11-06 22:50:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare [2023-11-06 22:50:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:50:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel [2023-11-06 22:50:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel [2023-11-06 22:50:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger [2023-11-06 22:50:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger [2023-11-06 22:50:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 22:50:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 22:50:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset [2023-11-06 22:50:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset [2023-11-06 22:50:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:50:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:50:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:50:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close [2023-11-06 22:50:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close [2023-11-06 22:50:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:50:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:50:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_resume [2023-11-06 22:50:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_resume [2023-11-06 22:50:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_suspend [2023-11-06 22:50:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend [2023-11-06 22:50:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear [2023-11-06 22:50:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear [2023-11-06 22:50:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:50:01,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:50:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write [2023-11-06 22:50:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write [2023-11-06 22:50:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-06 22:50:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-06 22:50:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-06 22:50:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-06 22:50:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs [2023-11-06 22:50:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs [2023-11-06 22:50:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:50:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:50:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read [2023-11-06 22:50:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read [2023-11-06 22:50:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2023-11-06 22:50:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2023-11-06 22:50:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_new1 [2023-11-06 22:50:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_new1 [2023-11-06 22:50:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2023-11-06 22:50:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2023-11-06 22:50:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_width [2023-11-06 22:50:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width [2023-11-06 22:50:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer [2023-11-06 22:50:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer [2023-11-06 22:50:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb [2023-11-06 22:50:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb [2023-11-06 22:50:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open [2023-11-06 22:50:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open [2023-11-06 22:50:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-06 22:50:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-06 22:50:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:50:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:50:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:50:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-06 22:50:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-06 22:50:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:50:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:50:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy [2023-11-06 22:50:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy [2023-11-06 22:50:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel [2023-11-06 22:50:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel [2023-11-06 22:50:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree [2023-11-06 22:50:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree [2023-11-06 22:50:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger [2023-11-06 22:50:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger [2023-11-06 22:50:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 22:50:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 22:50:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2023-11-06 22:50:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2023-11-06 22:50:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init [2023-11-06 22:50:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init [2023-11-06 22:50:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages [2023-11-06 22:50:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages [2023-11-06 22:50:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0 [2023-11-06 22:50:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0 [2023-11-06 22:50:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2023-11-06 22:50:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2023-11-06 22:50:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure _wrap_all_bits [2023-11-06 22:50:01,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _wrap_all_bits [2023-11-06 22:50:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke [2023-11-06 22:50:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke [2023-11-06 22:50:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_sample [2023-11-06 22:50:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_sample [2023-11-06 22:50:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open [2023-11-06 22:50:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open [2023-11-06 22:50:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb [2023-11-06 22:50:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb [2023-11-06 22:50:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol [2023-11-06 22:50:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol [2023-11-06 22:50:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer [2023-11-06 22:50:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer [2023-11-06 22:50:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo [2023-11-06 22:50:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo [2023-11-06 22:50:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_download [2023-11-06 22:50:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download [2023-11-06 22:50:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params [2023-11-06 22:50:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params [2023-11-06 22:50:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb [2023-11-06 22:50:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb [2023-11-06 22:50:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw [2023-11-06 22:50:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw [2023-11-06 22:50:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2023-11-06 22:50:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2023-11-06 22:50:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-06 22:50:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-06 22:50:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close [2023-11-06 22:50:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close [2023-11-06 22:50:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 22:50:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 22:50:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 22:50:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 22:50:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:50:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb [2023-11-06 22:50:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb [2023-11-06 22:50:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2023-11-06 22:50:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2023-11-06 22:50:03,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:50:03,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:50:10,763 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:51:50,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:51:50,466 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:51:50,466 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 22:51:50,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:50 BoogieIcfgContainer [2023-11-06 22:51:50,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:51:50,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:51:50,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:51:50,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:51:50,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:54" (1/3) ... [2023-11-06 22:51:50,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec0eb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:50, skipping insertion in model container [2023-11-06 22:51:50,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:59" (2/3) ... [2023-11-06 22:51:50,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec0eb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:50, skipping insertion in model container [2023-11-06 22:51:50,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:50" (3/3) ... [2023-11-06 22:51:50,496 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2023-11-06 22:51:50,521 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:51:50,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:51:50,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:51:50,807 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69ee886e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:51:50,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:51:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 4644 states, 3237 states have (on average 1.4170528266913809) internal successors, (4587), 3346 states have internal predecessors, (4587), 1246 states have call successors, (1246), 163 states have call predecessors, (1246), 162 states have return successors, (1228), 1221 states have call predecessors, (1228), 1228 states have call successors, (1228) [2023-11-06 22:51:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 22:51:50,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:50,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:50,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:50,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:50,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1259373884, now seen corresponding path program 1 times [2023-11-06 22:51:50,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:50,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891982597] [2023-11-06 22:51:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:50,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:52,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:51:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:52,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891982597] [2023-11-06 22:51:52,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891982597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:52,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:52,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:51:52,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925036455] [2023-11-06 22:51:52,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:52,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:51:52,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:52,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:51:52,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:51:52,483 INFO L87 Difference]: Start difference. First operand has 4644 states, 3237 states have (on average 1.4170528266913809) internal successors, (4587), 3346 states have internal predecessors, (4587), 1246 states have call successors, (1246), 163 states have call predecessors, (1246), 162 states have return successors, (1228), 1221 states have call predecessors, (1228), 1228 states have call successors, (1228) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:52:01,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:03,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:04,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:06,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:08,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:52:13,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:16,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:22,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:24,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:29,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:33,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:35,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:37,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:40,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:52:42,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-06 22:52:44,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:46,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:50,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:53,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:52:58,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:01,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:07,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:09,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:11,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:14,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:16,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:18,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:20,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:21,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:23,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:25,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:27,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:29,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:32,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:35,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:37,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:40,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:42,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:42,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:42,966 INFO L93 Difference]: Finished difference Result 13367 states and 21206 transitions. [2023-11-06 22:53:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:42,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2023-11-06 22:53:42,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:43,118 INFO L225 Difference]: With dead ends: 13367 [2023-11-06 22:53:43,119 INFO L226 Difference]: Without dead ends: 8675 [2023-11-06 22:53:43,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:43,197 INFO L413 NwaCegarLoop]: 5814 mSDtfsCounter, 6895 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 5102 mSolverCounterSat, 2960 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7714 SdHoareTripleChecker+Valid, 13860 SdHoareTripleChecker+Invalid, 8095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2960 IncrementalHoareTripleChecker+Valid, 5102 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:43,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7714 Valid, 13860 Invalid, 8095 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2960 Valid, 5102 Invalid, 33 Unknown, 0 Unchecked, 109.1s Time] [2023-11-06 22:53:43,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8675 states. [2023-11-06 22:53:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8675 to 8068. [2023-11-06 22:53:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8068 states, 5644 states have (on average 1.4014883061658399) internal successors, (7910), 5796 states have internal predecessors, (7910), 2123 states have call successors, (2123), 301 states have call predecessors, (2123), 300 states have return successors, (2121), 2108 states have call predecessors, (2121), 2121 states have call successors, (2121) [2023-11-06 22:53:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8068 states to 8068 states and 12154 transitions. [2023-11-06 22:53:44,079 INFO L78 Accepts]: Start accepts. Automaton has 8068 states and 12154 transitions. Word has length 34 [2023-11-06 22:53:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:44,081 INFO L495 AbstractCegarLoop]: Abstraction has 8068 states and 12154 transitions. [2023-11-06 22:53:44,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:53:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 8068 states and 12154 transitions. [2023-11-06 22:53:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:53:44,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:44,101 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:44,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:44,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:44,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:44,103 INFO L85 PathProgramCache]: Analyzing trace with hash -746255068, now seen corresponding path program 1 times [2023-11-06 22:53:44,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:44,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916420974] [2023-11-06 22:53:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:44,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:53:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:53:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:53:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:53:44,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:44,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916420974] [2023-11-06 22:53:44,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916420974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:44,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:44,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:44,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773350804] [2023-11-06 22:53:44,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:44,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:44,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:44,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:44,925 INFO L87 Difference]: Start difference. First operand 8068 states and 12154 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)