./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 04:25:56,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:25:56,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:25:56,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:25:56,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:25:56,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:25:56,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:25:56,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:25:56,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:25:56,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:25:56,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:25:56,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:25:56,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:25:56,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:25:56,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:25:56,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:25:56,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:25:56,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:25:56,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:25:56,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:25:56,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:25:56,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:25:56,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:25:56,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:25:56,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:25:56,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:25:56,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:25:56,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:25:56,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:25:56,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:25:56,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:25:56,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:25:56,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:25:56,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:25:56,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:25:56,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:25:56,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:25:56,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:25:56,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:25:56,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2024-11-09 04:25:56,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:25:57,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:25:57,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:25:57,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:25:57,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:25:57,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-09 04:25:58,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:25:59,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:25:59,052 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-09 04:25:59,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a006f22b/7e8b1858bb0b42baa4b8b3b922ee2a87/FLAGaf6349b87 [2024-11-09 04:25:59,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a006f22b/7e8b1858bb0b42baa4b8b3b922ee2a87 [2024-11-09 04:25:59,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:25:59,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:25:59,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:25:59,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:25:59,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:25:59,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:25:59" (1/1) ... [2024-11-09 04:25:59,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608c6cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:25:59, skipping insertion in model container [2024-11-09 04:25:59,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:25:59" (1/1) ... [2024-11-09 04:25:59,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:25:59,832 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-09 04:25:59,833 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-09 04:26:00,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-09 04:26:00,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:26:00,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:26:00,616 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-09 04:26:00,618 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-09 04:26:00,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-11-09 04:26:00,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-11-09 04:26:00,635 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-09 04:26:00,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:26:00,877 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:26:00,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00 WrapperNode [2024-11-09 04:26:00,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:26:00,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:26:00,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:26:00,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:26:00,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:00,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,073 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2223 [2024-11-09 04:26:01,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:26:01,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:26:01,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:26:01,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:26:01,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,256 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 34, 34, 34, 34, 34, 24, 34, 39, 6, 40, 36, 34, 34, 8, 8, 8, 6, 7, 16, 2, 3, 9, 229]. 30 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 8, 0, 0, 0, 0, 16, 2, 0, 0, 7]. The 474 writes are split as follows [0, 33, 33, 33, 33, 33, 33, 24, 33, 35, 1, 36, 33, 33, 1, 0, 0, 0, 0, 1, 0, 0, 3, 9, 67]. [2024-11-09 04:26:01,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:26:01,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:26:01,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:26:01,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:26:01,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (1/1) ... [2024-11-09 04:26:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:26:01,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:26:01,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 04:26:01,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 04:26:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-11-09 04:26:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-11-09 04:26:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-11-09 04:26:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-11-09 04:26:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-09 04:26:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-09 04:26:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-09 04:26:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-09 04:26:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-09 04:26:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-09 04:26:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-09 04:26:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-09 04:26:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-09 04:26:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-11-09 04:26:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:26:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 04:26:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-09 04:26:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-09 04:26:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-11-09 04:26:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:26:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-09 04:26:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-09 04:26:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:26:01,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:26:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 04:26:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-09 04:26:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-09 04:26:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-09 04:26:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-09 04:26:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-11-09 04:26:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-11-09 04:26:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-09 04:26:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-09 04:26:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:26:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:26:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-11-09 04:26:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-11-09 04:26:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-11-09 04:26:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-11-09 04:26:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:26:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 04:26:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-09 04:26:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:26:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:26:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-11-09 04:26:01,652 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-11-09 04:26:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:26:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:26:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-11-09 04:26:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-11-09 04:26:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:26:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:26:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:26:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 04:26:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-09 04:26:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-09 04:26:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-09 04:26:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:26:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 04:26:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-09 04:26:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-11-09 04:26:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-11-09 04:26:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-11-09 04:26:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-09 04:26:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-09 04:26:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 04:26:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-11-09 04:26:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-11-09 04:26:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 04:26:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 04:26:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 04:26:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 04:26:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 04:26:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 04:26:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-09 04:26:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-09 04:26:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-09 04:26:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-09 04:26:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-09 04:26:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-09 04:26:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-09 04:26:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-09 04:26:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:26:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:26:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 04:26:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 04:26:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 04:26:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:26:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 04:26:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-09 04:26:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-11-09 04:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 04:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 04:26:02,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:26:02,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:26:02,625 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:26:14,117 INFO L? ?]: Removed 1025 outVars from TransFormulas that were not future-live. [2024-11-09 04:26:14,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:26:14,163 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:26:14,165 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-09 04:26:14,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:26:14 BoogieIcfgContainer [2024-11-09 04:26:14,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:26:14,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:26:14,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:26:14,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:26:14,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:25:59" (1/3) ... [2024-11-09 04:26:14,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117230d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:26:14, skipping insertion in model container [2024-11-09 04:26:14,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:26:00" (2/3) ... [2024-11-09 04:26:14,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@117230d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:26:14, skipping insertion in model container [2024-11-09 04:26:14,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:26:14" (3/3) ... [2024-11-09 04:26:14,177 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-09 04:26:14,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:26:14,198 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:26:14,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:26:14,319 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=PETRI_NET, 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;@6430017a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:26:14,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:26:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 548 states have (on average 1.4087591240875912) internal successors, (772), 575 states have internal predecessors, (772), 142 states have call successors, (142), 35 states have call predecessors, (142), 34 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-09 04:26:14,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 04:26:14,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:26:14,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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 04:26:14,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:26:14,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:26:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1072565469, now seen corresponding path program 1 times [2024-11-09 04:26:14,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:26:14,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862541582] [2024-11-09 04:26:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:26:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:26:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:26:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 04:26:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 04:26:25,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:26:25,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862541582] [2024-11-09 04:26:25,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862541582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:26:25,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:26:25,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:26:25,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889542669] [2024-11-09 04:26:25,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:26:25,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:26:25,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:26:25,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:26:25,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:26:25,571 INFO L87 Difference]: Start difference. First operand has 726 states, 548 states have (on average 1.4087591240875912) internal successors, (772), 575 states have internal predecessors, (772), 142 states have call successors, (142), 35 states have call predecessors, (142), 34 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:26:29,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:39,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:26:39,457 INFO L93 Difference]: Finished difference Result 2104 states and 3106 transitions. [2024-11-09 04:26:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:26:39,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-09 04:26:39,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:26:39,484 INFO L225 Difference]: With dead ends: 2104 [2024-11-09 04:26:39,484 INFO L226 Difference]: Without dead ends: 1344 [2024-11-09 04:26:39,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:26:39,496 INFO L432 NwaCegarLoop]: 922 mSDtfsCounter, 1111 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 349 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:26:39,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 2237 Invalid, 1046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2024-11-09 04:26:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-09 04:26:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1185. [2024-11-09 04:26:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 901 states have (on average 1.3873473917869035) internal successors, (1250), 934 states have internal predecessors, (1250), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-09 04:26:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1705 transitions. [2024-11-09 04:26:39,694 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1705 transitions. Word has length 35 [2024-11-09 04:26:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:26:39,695 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1705 transitions. [2024-11-09 04:26:39,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 04:26:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1705 transitions. [2024-11-09 04:26:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 04:26:39,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:26:39,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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 04:26:39,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:26:39,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:26:39,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:26:39,711 INFO L85 PathProgramCache]: Analyzing trace with hash 295427683, now seen corresponding path program 1 times [2024-11-09 04:26:39,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:26:39,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127463278] [2024-11-09 04:26:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:26:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:26:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:26:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 04:26:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 04:26:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:26:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 04:26:49,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:26:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127463278] [2024-11-09 04:26:49,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127463278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:26:49,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:26:49,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:26:49,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516054942] [2024-11-09 04:26:49,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:26:49,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:26:49,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:26:49,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:26:49,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:26:49,099 INFO L87 Difference]: Start difference. First operand 1185 states and 1705 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 04:26:53,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:26:57,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:27:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:27:09,906 INFO L93 Difference]: Finished difference Result 2527 states and 3670 transitions. [2024-11-09 04:27:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:27:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2024-11-09 04:27:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:27:09,921 INFO L225 Difference]: With dead ends: 2527 [2024-11-09 04:27:09,921 INFO L226 Difference]: Without dead ends: 1345 [2024-11-09 04:27:09,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:27:09,929 INFO L432 NwaCegarLoop]: 794 mSDtfsCounter, 1385 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 407 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:27:09,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1703 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2024-11-09 04:27:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-09 04:27:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1185. [2024-11-09 04:27:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 901 states have (on average 1.3851276359600444) internal successors, (1248), 934 states have internal predecessors, (1248), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-09 04:27:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-11-09 04:27:10,029 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 58 [2024-11-09 04:27:10,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:27:10,030 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-11-09 04:27:10,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 04:27:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-11-09 04:27:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 04:27:10,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:27:10,040 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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 04:27:10,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:27:10,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:27:10,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:27:10,041 INFO L85 PathProgramCache]: Analyzing trace with hash 12081469, now seen corresponding path program 1 times [2024-11-09 04:27:10,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:27:10,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333504729] [2024-11-09 04:27:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:27:10,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:27:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 04:27:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 04:27:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 04:27:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 04:27:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:27:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:27:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 04:27:18,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:27:18,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333504729] [2024-11-09 04:27:18,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333504729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:27:18,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:27:18,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:27:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405206888] [2024-11-09 04:27:18,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:27:18,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:27:18,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:27:18,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:27:18,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:27:18,843 INFO L87 Difference]: Start difference. First operand 1185 states and 1703 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)