./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 a0165632 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_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.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_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:03:22,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:03:22,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:03:22,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:03:22,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:03:22,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:03:22,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:03:22,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:03:22,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:03:22,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:03:22,948 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:03:22,948 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:03:22,949 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:03:22,949 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:03:22,949 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:03:22,953 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:03:22,953 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:03:22,954 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:03:22,954 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:03:22,955 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:03:22,955 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:03:22,959 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:03:22,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:03:22,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:03:22,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:03:22,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:03:22,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:03:22,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:03:22,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:03:22,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:03:22,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:03:22,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:03:22,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:03:22,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:03:22,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:03:22,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:22,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:03:22,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:03:22,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:03:22,969 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:03:22,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:03:22,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:03:22,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:03:22,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:03:22,972 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 [2024-11-09 07:03:23,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:03:23,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:03:23,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:03:23,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:03:23,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:03:23,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/../../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 Unable to find full path for "g++" [2024-11-09 07:03:25,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:03:26,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:03:26,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/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 [2024-11-09 07:03:26,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/data/a3c3720fb/22d6a07a56bb4cad94af8800d1646a8d/FLAG864303227 [2024-11-09 07:03:26,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/data/a3c3720fb/22d6a07a56bb4cad94af8800d1646a8d [2024-11-09 07:03:26,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:03:26,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:03:26,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:26,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:03:26,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:03:26,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:26" (1/1) ... [2024-11-09 07:03:26,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2d6aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:26, skipping insertion in model container [2024-11-09 07:03:26,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:03:26" (1/1) ... [2024-11-09 07:03:27,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:03:27,921 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2024-11-09 07:03:27,921 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2024-11-09 07:03:28,104 WARN L250 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_d033e811-8486-4f8f-9ec5-99f48cc298ed/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] [2024-11-09 07:03:32,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:32,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:03:32,480 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2024-11-09 07:03:32,481 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2024-11-09 07:03:32,485 WARN L250 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_d033e811-8486-4f8f-9ec5-99f48cc298ed/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] [2024-11-09 07:03:32,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [5553] [2024-11-09 07:03:32,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5629] [2024-11-09 07:03:32,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5636] [2024-11-09 07:03:32,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5645] [2024-11-09 07:03:32,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5653] [2024-11-09 07:03:33,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:03:33,910 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:03:33,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33 WrapperNode [2024-11-09 07:03:33,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:03:33,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:33,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:03:33,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:03:33,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:34,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:34,650 INFO L138 Inliner]: procedures = 453, calls = 7143, calls flagged for inlining = 214, calls inlined = 200, statements flattened = 14487 [2024-11-09 07:03:34,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:03:34,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:03:34,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:03:34,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:03:34,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:34,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:34,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:34,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:03:35,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:03:35,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:03:35,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:03:35,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (1/1) ... [2024-11-09 07:03:35,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:03:35,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:03:35,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:03:35,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d033e811-8486-4f8f-9ec5-99f48cc298ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:03:35,619 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp [2024-11-09 07:03:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp [2024-11-09 07:03:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_read [2024-11-09 07:03:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_read [2024-11-09 07:03:35,620 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe [2024-11-09 07:03:35,620 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe [2024-11-09 07:03:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb [2024-11-09 07:03:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb [2024-11-09 07:03:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free [2024-11-09 07:03:35,621 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free [2024-11-09 07:03:35,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-09 07:03:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-09 07:03:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:03:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:03:35,622 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list [2024-11-09 07:03:35,622 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list [2024-11-09 07:03:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-11-09 07:03:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-11-09 07:03:35,623 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume [2024-11-09 07:03:35,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume [2024-11-09 07:03:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0 [2024-11-09 07:03:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0 [2024-11-09 07:03:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958 [2024-11-09 07:03:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958 [2024-11-09 07:03:35,624 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close [2024-11-09 07:03:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close [2024-11-09 07:03:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2024-11-09 07:03:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2024-11-09 07:03:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-09 07:03:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-09 07:03:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_parameter [2024-11-09 07:03:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_parameter [2024-11-09 07:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_free_scb [2024-11-09 07:03:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_free_scb [2024-11-09 07:03:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2024-11-09 07:03:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2024-11-09 07:03:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_free [2024-11-09 07:03:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free [2024-11-09 07:03:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 07:03:35,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 07:03:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params [2024-11-09 07:03:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params [2024-11-09 07:03:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:03:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_write [2024-11-09 07:03:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_write [2024-11-09 07:03:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 07:03:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 07:03:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb [2024-11-09 07:03:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb [2024-11-09 07:03:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 07:03:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 07:03:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc [2024-11-09 07:03:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc [2024-11-09 07:03:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure params_period_bytes [2024-11-09 07:03:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure params_period_bytes [2024-11-09 07:03:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:03:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc [2024-11-09 07:03:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc [2024-11-09 07:03:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb [2024-11-09 07:03:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb [2024-11-09 07:03:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer [2024-11-09 07:03:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer [2024-11-09 07:03:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1 [2024-11-09 07:03:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1 [2024-11-09 07:03:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 07:03:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 07:03:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_add [2024-11-09 07:03:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_add [2024-11-09 07:03:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_free_pages [2024-11-09 07:03:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages [2024-11-09 07:03:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:03:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 07:03:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 07:03:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer [2024-11-09 07:03:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer [2024-11-09 07:03:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate [2024-11-09 07:03:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate [2024-11-09 07:03:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:03:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:03:35,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:03:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start [2024-11-09 07:03:35,635 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start [2024-11-09 07:03:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 07:03:35,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 07:03:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all [2024-11-09 07:03:35,635 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all [2024-11-09 07:03:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer [2024-11-09 07:03:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer [2024-11-09 07:03:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out [2024-11-09 07:03:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out [2024-11-09 07:03:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-09 07:03:35,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-09 07:03:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write [2024-11-09 07:03:35,637 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write [2024-11-09 07:03:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 07:03:35,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 07:03:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 07:03:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 07:03:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer [2024-11-09 07:03:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer [2024-11-09 07:03:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2024-11-09 07:03:35,638 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2024-11-09 07:03:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove [2024-11-09 07:03:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove [2024-11-09 07:03:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link [2024-11-09 07:03:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link [2024-11-09 07:03:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot [2024-11-09 07:03:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot [2024-11-09 07:03:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:03:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:03:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 07:03:35,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 07:03:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:03:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume [2024-11-09 07:03:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume [2024-11-09 07:03:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_scb [2024-11-09 07:03:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_scb [2024-11-09 07:03:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger [2024-11-09 07:03:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger [2024-11-09 07:03:35,642 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger [2024-11-09 07:03:35,642 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger [2024-11-09 07:03:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel [2024-11-09 07:03:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel [2024-11-09 07:03:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 07:03:35,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 07:03:35,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-09 07:03:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-09 07:03:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 07:03:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 07:03:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare [2024-11-09 07:03:35,644 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare [2024-11-09 07:03:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb [2024-11-09 07:03:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb [2024-11-09 07:03:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2024-11-09 07:03:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2024-11-09 07:03:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink [2024-11-09 07:03:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink [2024-11-09 07:03:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure clkrun_init [2024-11-09 07:03:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure clkrun_init [2024-11-09 07:03:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 07:03:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 07:03:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2024-11-09 07:03:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2024-11-09 07:03:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958 [2024-11-09 07:03:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958 [2024-11-09 07:03:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek [2024-11-09 07:03:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek [2024-11-09 07:03:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-09 07:03:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-09 07:03:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure add_symbol [2024-11-09 07:03:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure add_symbol [2024-11-09 07:03:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:03:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:03:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open [2024-11-09 07:03:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open [2024-11-09 07:03:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop [2024-11-09 07:03:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop [2024-11-09 07:03:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2024-11-09 07:03:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2024-11-09 07:03:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate [2024-11-09 07:03:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate [2024-11-09 07:03:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2024-11-09 07:03:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2024-11-09 07:03:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 07:03:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 07:03:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 07:03:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 07:03:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes [2024-11-09 07:03:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes [2024-11-09 07:03:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec [2024-11-09 07:03:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec [2024-11-09 07:03:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:03:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset [2024-11-09 07:03:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset [2024-11-09 07:03:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:03:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 07:03:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 07:03:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open [2024-11-09 07:03:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open [2024-11-09 07:03:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb [2024-11-09 07:03:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb [2024-11-09 07:03:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out [2024-11-09 07:03:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out [2024-11-09 07:03:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer [2024-11-09 07:03:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer [2024-11-09 07:03:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages [2024-11-09 07:03:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages [2024-11-09 07:03:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close [2024-11-09 07:03:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close [2024-11-09 07:03:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure amp_voyetra [2024-11-09 07:03:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure amp_voyetra [2024-11-09 07:03:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_segment_desc [2024-11-09 07:03:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_segment_desc [2024-11-09 07:03:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:03:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:03:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 07:03:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 07:03:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree [2024-11-09 07:03:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree [2024-11-09 07:03:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free [2024-11-09 07:03:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free [2024-11-09 07:03:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 07:03:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 07:03:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-09 07:03:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-09 07:03:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:03:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:03:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure free_module_desc [2024-11-09 07:03:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure free_module_desc [2024-11-09 07:03:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_new [2024-11-09 07:03:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_new [2024-11-09 07:03:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb [2024-11-09 07:03:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb [2024-11-09 07:03:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-09 07:03:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-09 07:03:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend [2024-11-09 07:03:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend [2024-11-09 07:03:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:03:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages [2024-11-09 07:03:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages [2024-11-09 07:03:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-11-09 07:03:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-11-09 07:03:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare [2024-11-09 07:03:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare [2024-11-09 07:03:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:03:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel [2024-11-09 07:03:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel [2024-11-09 07:03:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger [2024-11-09 07:03:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger [2024-11-09 07:03:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-09 07:03:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-09 07:03:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset [2024-11-09 07:03:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset [2024-11-09 07:03:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:03:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 07:03:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 07:03:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close [2024-11-09 07:03:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close [2024-11-09 07:03:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 07:03:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 07:03:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_resume [2024-11-09 07:03:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_resume [2024-11-09 07:03:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_suspend [2024-11-09 07:03:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend [2024-11-09 07:03:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear [2024-11-09 07:03:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear [2024-11-09 07:03:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 07:03:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 07:03:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write [2024-11-09 07:03:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write [2024-11-09 07:03:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2024-11-09 07:03:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2024-11-09 07:03:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-09 07:03:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-09 07:03:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs [2024-11-09 07:03:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs [2024-11-09 07:03:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 07:03:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 07:03:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read [2024-11-09 07:03:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read [2024-11-09 07:03:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-09 07:03:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-09 07:03:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_new1 [2024-11-09 07:03:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_new1 [2024-11-09 07:03:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2024-11-09 07:03:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2024-11-09 07:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_width [2024-11-09 07:03:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width [2024-11-09 07:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer [2024-11-09 07:03:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer [2024-11-09 07:03:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb [2024-11-09 07:03:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb [2024-11-09 07:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open [2024-11-09 07:03:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open [2024-11-09 07:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-11-09 07:03:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2024-11-09 07:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 07:03:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 07:03:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:03:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-09 07:03:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-09 07:03:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 07:03:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 07:03:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy [2024-11-09 07:03:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy [2024-11-09 07:03:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel [2024-11-09 07:03:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel [2024-11-09 07:03:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree [2024-11-09 07:03:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree [2024-11-09 07:03:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger [2024-11-09 07:03:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger [2024-11-09 07:03:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-09 07:03:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-09 07:03:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2024-11-09 07:03:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2024-11-09 07:03:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init [2024-11-09 07:03:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init [2024-11-09 07:03:35,673 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages [2024-11-09 07:03:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages [2024-11-09 07:03:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0 [2024-11-09 07:03:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0 [2024-11-09 07:03:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2024-11-09 07:03:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2024-11-09 07:03:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure _wrap_all_bits [2024-11-09 07:03:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _wrap_all_bits [2024-11-09 07:03:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke [2024-11-09 07:03:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke [2024-11-09 07:03:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_sample [2024-11-09 07:03:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_sample [2024-11-09 07:03:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open [2024-11-09 07:03:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open [2024-11-09 07:03:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb [2024-11-09 07:03:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb [2024-11-09 07:03:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol [2024-11-09 07:03:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol [2024-11-09 07:03:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer [2024-11-09 07:03:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer [2024-11-09 07:03:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo [2024-11-09 07:03:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo [2024-11-09 07:03:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_download [2024-11-09 07:03:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download [2024-11-09 07:03:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params [2024-11-09 07:03:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params [2024-11-09 07:03:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb [2024-11-09 07:03:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb [2024-11-09 07:03:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw [2024-11-09 07:03:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw [2024-11-09 07:03:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-09 07:03:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-09 07:03:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-09 07:03:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-09 07:03:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close [2024-11-09 07:03:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close [2024-11-09 07:03:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 07:03:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 07:03:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-09 07:03:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-09 07:03:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:03:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb [2024-11-09 07:03:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb [2024-11-09 07:03:35,680 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2024-11-09 07:03:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2024-11-09 07:03:37,342 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:03:37,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:03:44,265 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 07:04:59,780 INFO L? ?]: Removed 4329 outVars from TransFormulas that were not future-live. [2024-11-09 07:04:59,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:05:06,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:05:06,979 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 07:05:06,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:06 BoogieIcfgContainer [2024-11-09 07:05:06,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:05:06,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:05:06,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:05:06,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:05:06,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:03:26" (1/3) ... [2024-11-09 07:05:06,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4213f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:06, skipping insertion in model container [2024-11-09 07:05:06,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:03:33" (2/3) ... [2024-11-09 07:05:06,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4213f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:05:06, skipping insertion in model container [2024-11-09 07:05:06,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:05:06" (3/3) ... [2024-11-09 07:05:06,989 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 [2024-11-09 07:05:07,009 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:05:07,009 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:05:07,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:05:07,171 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@18731e31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:05:07,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:05:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 3812 states, 2405 states have (on average 1.3733887733887733) internal successors, (3303), 2466 states have internal predecessors, (3303), 1246 states have call successors, (1246), 163 states have call predecessors, (1246), 162 states have return successors, (1228), 1220 states have call predecessors, (1228), 1228 states have call successors, (1228) [2024-11-09 07:05:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 07:05:07,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:05:07,211 INFO L215 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] [2024-11-09 07:05:07,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:05:07,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:05:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2007385363, now seen corresponding path program 1 times [2024-11-09 07:05:07,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:05:07,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57488376] [2024-11-09 07:05:07,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:05:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:05:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:05:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:05:58,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:05:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57488376] [2024-11-09 07:05:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57488376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:05:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:05:58,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:05:58,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213387644] [2024-11-09 07:05:58,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:05:58,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:05:58,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:05:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:05:58,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:05:58,123 INFO L87 Difference]: Start difference. First operand has 3812 states, 2405 states have (on average 1.3733887733887733) internal successors, (3303), 2466 states have internal predecessors, (3303), 1246 states have call successors, (1246), 163 states have call predecessors, (1246), 162 states have return successors, (1228), 1220 states have call predecessors, (1228), 1228 states have call successors, (1228) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:06:00,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:02,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:13,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:17,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:19,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:06:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:06:21,458 INFO L93 Difference]: Finished difference Result 10481 states and 16068 transitions. [2024-11-09 07:06:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:06:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 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 29 [2024-11-09 07:06:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:06:21,575 INFO L225 Difference]: With dead ends: 10481 [2024-11-09 07:06:21,576 INFO L226 Difference]: Without dead ends: 6631 [2024-11-09 07:06:21,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:06:21,635 INFO L432 NwaCegarLoop]: 5499 mSDtfsCounter, 4319 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4319 SdHoareTripleChecker+Valid, 10824 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:06:21,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4319 Valid, 10824 Invalid, 857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 852 Invalid, 3 Unknown, 0 Unchecked, 22.7s Time] [2024-11-09 07:06:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6631 states. [2024-11-09 07:06:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6631 to 6627. [2024-11-09 07:06:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6627 states, 4203 states have (on average 1.3685462764691887) internal successors, (5752), 4270 states have internal predecessors, (5752), 2123 states have call successors, (2123), 301 states have call predecessors, (2123), 300 states have return successors, (2121), 2106 states have call predecessors, (2121), 2121 states have call successors, (2121) [2024-11-09 07:06:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6627 states to 6627 states and 9996 transitions. [2024-11-09 07:06:22,432 INFO L78 Accepts]: Start accepts. Automaton has 6627 states and 9996 transitions. Word has length 29 [2024-11-09 07:06:22,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:06:22,433 INFO L471 AbstractCegarLoop]: Abstraction has 6627 states and 9996 transitions. [2024-11-09 07:06:22,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:06:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 6627 states and 9996 transitions. [2024-11-09 07:06:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 07:06:22,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:06:22,465 INFO L215 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] [2024-11-09 07:06:22,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:06:22,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:06:22,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:06:22,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1949264317, now seen corresponding path program 1 times [2024-11-09 07:06:22,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:06:22,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159891666] [2024-11-09 07:06:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:06:22,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:07:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:07:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:07:15,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:07:15,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159891666] [2024-11-09 07:07:15,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159891666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:07:15,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:07:15,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:07:15,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421813385] [2024-11-09 07:07:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:07:15,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:07:15,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:07:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:07:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:07:15,474 INFO L87 Difference]: Start difference. First operand 6627 states and 9996 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:07:18,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:21,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:25,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:32,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:39,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:41,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:44,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:07:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:07:46,082 INFO L93 Difference]: Finished difference Result 19730 states and 29740 transitions. [2024-11-09 07:07:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:07:46,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-09 07:07:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:07:46,209 INFO L225 Difference]: With dead ends: 19730 [2024-11-09 07:07:46,209 INFO L226 Difference]: Without dead ends: 13106 [2024-11-09 07:07:46,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:07:46,264 INFO L432 NwaCegarLoop]: 6515 mSDtfsCounter, 5577 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5577 SdHoareTripleChecker+Valid, 11761 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:07:46,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5577 Valid, 11761 Invalid, 966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 959 Invalid, 5 Unknown, 0 Unchecked, 30.0s Time] [2024-11-09 07:07:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13106 states. [2024-11-09 07:07:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13106 to 13100. [2024-11-09 07:07:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13100 states, 8301 states have (on average 1.3669437417178654) internal successors, (11347), 8435 states have internal predecessors, (11347), 4198 states have call successors, (4198), 601 states have call predecessors, (4198), 600 states have return successors, (4196), 4165 states have call predecessors, (4196), 4196 states have call successors, (4196) [2024-11-09 07:07:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13100 states to 13100 states and 19741 transitions. [2024-11-09 07:07:47,164 INFO L78 Accepts]: Start accepts. Automaton has 13100 states and 19741 transitions. Word has length 52 [2024-11-09 07:07:47,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:07:47,165 INFO L471 AbstractCegarLoop]: Abstraction has 13100 states and 19741 transitions. [2024-11-09 07:07:47,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:07:47,166 INFO L276 IsEmpty]: Start isEmpty. Operand 13100 states and 19741 transitions. [2024-11-09 07:07:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 07:07:47,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:07:47,177 INFO L215 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] [2024-11-09 07:07:47,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:07:47,178 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:07:47,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:07:47,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1905993979, now seen corresponding path program 1 times [2024-11-09 07:07:47,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:07:47,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432211586] [2024-11-09 07:07:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:07:47,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:08:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:08:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:08:36,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:08:36,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432211586] [2024-11-09 07:08:36,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432211586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:08:36,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:08:36,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:08:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675671301] [2024-11-09 07:08:36,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:08:36,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:08:36,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:08:36,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:08:36,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:08:36,485 INFO L87 Difference]: Start difference. First operand 13100 states and 19741 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:08:38,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:55,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:08:58,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:01,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:09:03,640 INFO L93 Difference]: Finished difference Result 39053 states and 58815 transitions. [2024-11-09 07:09:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:09:03,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-09 07:09:03,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:09:03,938 INFO L225 Difference]: With dead ends: 39053 [2024-11-09 07:09:03,938 INFO L226 Difference]: Without dead ends: 25956 [2024-11-09 07:09:04,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:09:04,073 INFO L432 NwaCegarLoop]: 6621 mSDtfsCounter, 5593 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 11873 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:09:04,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5593 Valid, 11873 Invalid, 961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 955 Invalid, 4 Unknown, 0 Unchecked, 26.3s Time] [2024-11-09 07:09:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25956 states. [2024-11-09 07:09:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25956 to 25950. [2024-11-09 07:09:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25950 states, 16427 states have (on average 1.365252328483594) internal successors, (22427), 16695 states have internal predecessors, (22427), 8322 states have call successors, (8322), 1201 states have call predecessors, (8322), 1200 states have return successors, (8320), 8257 states have call predecessors, (8320), 8320 states have call successors, (8320) [2024-11-09 07:09:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25950 states to 25950 states and 39069 transitions. [2024-11-09 07:09:06,155 INFO L78 Accepts]: Start accepts. Automaton has 25950 states and 39069 transitions. Word has length 53 [2024-11-09 07:09:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:09:06,156 INFO L471 AbstractCegarLoop]: Abstraction has 25950 states and 39069 transitions. [2024-11-09 07:09:06,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:09:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 25950 states and 39069 transitions. [2024-11-09 07:09:06,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 07:09:06,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:06,168 INFO L215 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] [2024-11-09 07:09:06,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:09:06,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:09:06,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:06,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1764588371, now seen corresponding path program 1 times [2024-11-09 07:09:06,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:09:06,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917418267] [2024-11-09 07:09:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:09:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:09:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:09:51,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:09:51,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917418267] [2024-11-09 07:09:51,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917418267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:09:51,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:09:51,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:09:51,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076121799] [2024-11-09 07:09:51,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:09:51,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:09:51,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:09:51,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:09:51,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:09:51,867 INFO L87 Difference]: Start difference. First operand 25950 states and 39069 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:09:54,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:09:57,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:00,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:06,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:08,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:15,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:18,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:20,947 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 [] [2024-11-09 07:10:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:10:23,127 INFO L93 Difference]: Finished difference Result 77269 states and 116245 transitions. [2024-11-09 07:10:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:10:23,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2024-11-09 07:10:23,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:10:23,544 INFO L225 Difference]: With dead ends: 77269 [2024-11-09 07:10:23,544 INFO L226 Difference]: Without dead ends: 51322 [2024-11-09 07:10:23,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:10:23,734 INFO L432 NwaCegarLoop]: 6933 mSDtfsCounter, 5565 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5565 SdHoareTripleChecker+Valid, 12179 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2024-11-09 07:10:23,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5565 Valid, 12179 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 971 Invalid, 7 Unknown, 0 Unchecked, 29.9s Time] [2024-11-09 07:10:23,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51322 states. [2024-11-09 07:10:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51322 to 51310. [2024-11-09 07:10:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51310 states, 32447 states have (on average 1.3634234289764848) internal successors, (44239), 32983 states have internal predecessors, (44239), 16462 states have call successors, (16462), 2401 states have call predecessors, (16462), 2400 states have return successors, (16460), 16333 states have call predecessors, (16460), 16460 states have call successors, (16460) [2024-11-09 07:10:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51310 states to 51310 states and 77161 transitions. [2024-11-09 07:10:27,991 INFO L78 Accepts]: Start accepts. Automaton has 51310 states and 77161 transitions. Word has length 55 [2024-11-09 07:10:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:10:27,992 INFO L471 AbstractCegarLoop]: Abstraction has 51310 states and 77161 transitions. [2024-11-09 07:10:27,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:10:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 51310 states and 77161 transitions. [2024-11-09 07:10:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 07:10:28,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:10:28,000 INFO L215 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] [2024-11-09 07:10:28,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:10:28,001 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:10:28,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:10:28,001 INFO L85 PathProgramCache]: Analyzing trace with hash -219452313, now seen corresponding path program 1 times [2024-11-09 07:10:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:10:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256679602] [2024-11-09 07:10:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:11:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:11:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:11:14,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:11:14,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256679602] [2024-11-09 07:11:14,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256679602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:11:14,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:11:14,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:11:14,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320246536] [2024-11-09 07:11:14,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:11:14,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:11:14,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:11:14,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:11:14,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:11:14,696 INFO L87 Difference]: Start difference. First operand 51310 states and 77161 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:11:16,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:20,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:29,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:31,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:41,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:43,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:46,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:11:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:11:49,049 INFO L93 Difference]: Finished difference Result 152893 states and 229769 transitions. [2024-11-09 07:11:49,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:11:49,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2024-11-09 07:11:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:11:50,097 INFO L225 Difference]: With dead ends: 152893 [2024-11-09 07:11:50,097 INFO L226 Difference]: Without dead ends: 101586 [2024-11-09 07:11:50,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:11:50,330 INFO L432 NwaCegarLoop]: 7098 mSDtfsCounter, 5569 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5569 SdHoareTripleChecker+Valid, 12350 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:11:50,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5569 Valid, 12350 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 974 Invalid, 6 Unknown, 0 Unchecked, 31.4s Time] [2024-11-09 07:11:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101586 states. [2024-11-09 07:11:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101586 to 101566. [2024-11-09 07:11:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101566 states, 64167 states have (on average 1.3618059126965574) internal successors, (87383), 65239 states have internal predecessors, (87383), 32598 states have call successors, (32598), 4801 states have call predecessors, (32598), 4800 states have return successors, (32596), 32341 states have call predecessors, (32596), 32596 states have call successors, (32596) [2024-11-09 07:11:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101566 states to 101566 states and 152577 transitions. [2024-11-09 07:11:57,261 INFO L78 Accepts]: Start accepts. Automaton has 101566 states and 152577 transitions. Word has length 56 [2024-11-09 07:11:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:11:57,262 INFO L471 AbstractCegarLoop]: Abstraction has 101566 states and 152577 transitions. [2024-11-09 07:11:57,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:11:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 101566 states and 152577 transitions. [2024-11-09 07:11:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 07:11:57,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:57,270 INFO L215 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, 1, 1] [2024-11-09 07:11:57,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:11:57,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:11:57,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:11:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1794026091, now seen corresponding path program 1 times [2024-11-09 07:11:57,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:11:57,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815689443] [2024-11-09 07:11:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:43,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 07:12:43,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:43,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815689443] [2024-11-09 07:12:43,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815689443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:43,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:43,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:12:43,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893405976] [2024-11-09 07:12:43,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:43,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:43,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:43,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:12:43,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:12:43,617 INFO L87 Difference]: Start difference. First operand 101566 states and 152577 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 07:12:45,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:49,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:59,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:13:00,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:13:11,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:13:13,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:13:17,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:13:21,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:13:21,338 INFO L93 Difference]: Finished difference Result 302477 states and 454033 transitions. [2024-11-09 07:13:21,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:13:21,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2024-11-09 07:13:21,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:13:23,445 INFO L225 Difference]: With dead ends: 302477 [2024-11-09 07:13:23,445 INFO L226 Difference]: Without dead ends: 200914 [2024-11-09 07:13:23,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:13:23,945 INFO L432 NwaCegarLoop]: 7127 mSDtfsCounter, 5553 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 12373 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:13:23,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 12373 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 976 Invalid, 6 Unknown, 0 Unchecked, 30.1s Time] [2024-11-09 07:13:24,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200914 states.