./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 10:04:45,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 10:04:45,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 10:04:45,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 10:04:45,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 10:04:45,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 10:04:45,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 10:04:45,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 10:04:45,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 10:04:45,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 10:04:45,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 10:04:45,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 10:04:45,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 10:04:45,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 10:04:45,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 10:04:45,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 10:04:45,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 10:04:45,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 10:04:45,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 10:04:45,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 10:04:45,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 10:04:45,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 10:04:45,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 10:04:45,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 10:04:45,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 10:04:45,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 10:04:45,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 10:04:45,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 10:04:45,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 10:04:45,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 10:04:45,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 10:04:45,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 10:04:45,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 10:04:45,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 10:04:45,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 10:04:45,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 10:04:45,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 10:04:45,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 10:04:45,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 10:04:45,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2024-11-12 10:04:45,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 10:04:45,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 10:04:45,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 10:04:45,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 10:04:45,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 10:04:45,432 INFO L431 ainManager$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 [2024-11-12 10:04:46,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 10:04:47,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 10:04:47,333 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 [2024-11-12 10:04:47,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a10df803/55350d08ed3c43429e97ef6c4eeada61/FLAG5a334a8fd [2024-11-12 10:04:47,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a10df803/55350d08ed3c43429e97ef6c4eeada61 [2024-11-12 10:04:47,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 10:04:47,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 10:04:47,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 10:04:47,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 10:04:47,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 10:04:47,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:04:47" (1/1) ... [2024-11-12 10:04:47,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790b48f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:47, skipping insertion in model container [2024-11-12 10:04:47,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:04:47" (1/1) ... [2024-11-12 10:04:47,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 10:04:47,897 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-12 10:04:47,898 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] [2024-11-12 10:04:48,014 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] [2024-11-12 10:04:48,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 10:04:48,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 10:04:48,528 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-12 10:04:48,528 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] [2024-11-12 10:04:48,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-11-12 10:04:48,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-11-12 10:04:48,540 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] [2024-11-12 10:04:48,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 10:04:48,715 INFO L204 MainTranslator]: Completed translation [2024-11-12 10:04:48,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48 WrapperNode [2024-11-12 10:04:48,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 10:04:48,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 10:04:48,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 10:04:48,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 10:04:48,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:48,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:48,883 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2223 [2024-11-12 10:04:48,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 10:04:48,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 10:04:48,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 10:04:48,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 10:04:48,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:48,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:48,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,131 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 9, 34, 34, 34, 7, 3, 34, 34, 34, 39, 40, 36, 34, 34, 8, 8, 24, 16, 2, 229, 6, 6, 8]. 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, 0, 32, 8, 0, 0, 16, 2, 7, 0, 0, 0]. The 474 writes are split as follows [0, 33, 9, 33, 33, 33, 1, 3, 33, 33, 33, 35, 36, 33, 33, 1, 0, 0, 24, 0, 0, 67, 0, 1, 0]. [2024-11-12 10:04:49,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 10:04:49,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 10:04:49,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 10:04:49,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 10:04:49,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (1/1) ... [2024-11-12 10:04:49,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 10:04:49,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 10:04:49,340 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) [2024-11-12 10:04:49,351 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 [2024-11-12 10:04:49,392 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-11-12 10:04:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-11-12 10:04:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-11-12 10:04:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-11-12 10:04:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-12 10:04:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-12 10:04:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-12 10:04:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-12 10:04:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-12 10:04:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-12 10:04:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-12 10:04:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-12 10:04:49,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-12 10:04:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-12 10:04:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-12 10:04:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-12 10:04:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-12 10:04:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-12 10:04:49,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-12 10:04:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-12 10:04:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-12 10:04:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-12 10:04:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-12 10:04:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-12 10:04:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-12 10:04:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-12 10:04:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-12 10:04:49,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-12 10:04:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-12 10:04:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-11-12 10:04:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-11-12 10:04:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 10:04:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 10:04:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-12 10:04:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-12 10:04:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-11-12 10:04:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 10:04:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-12 10:04:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-12 10:04:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 10:04:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 10:04:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 10:04:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-12 10:04:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-12 10:04:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-12 10:04:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-12 10:04:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-12 10:04:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-12 10:04:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-12 10:04:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-12 10:04:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-12 10:04:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-11-12 10:04:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-11-12 10:04:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-12 10:04:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-12 10:04:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 10:04:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 10:04:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-11-12 10:04:49,415 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-11-12 10:04:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-11-12 10:04:49,416 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 10:04:49,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-12 10:04:49,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-12 10:04:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-11-12 10:04:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-11-12 10:04:49,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 10:04:49,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-11-12 10:04:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 10:04:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-12 10:04:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-12 10:04:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-12 10:04:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-12 10:04:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-12 10:04:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-12 10:04:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-12 10:04:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-12 10:04:49,423 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-12 10:04:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 10:04:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-12 10:04:49,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-12 10:04:49,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-12 10:04:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-12 10:04:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-11-12 10:04:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-11-12 10:04:49,427 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-11-12 10:04:49,427 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-11-12 10:04:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-12 10:04:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-12 10:04:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-12 10:04:49,428 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-12 10:04:49,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-12 10:04:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-12 10:04:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-11-12 10:04:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-11-12 10:04:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-11-12 10:04:49,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-11-12 10:04:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 10:04:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 10:04:49,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 10:04:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-12 10:04:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-12 10:04:49,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-12 10:04:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-12 10:04:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-12 10:04:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-12 10:04:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-12 10:04:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-12 10:04:49,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 10:04:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-12 10:04:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-12 10:04:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-11-12 10:04:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 10:04:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-12 10:04:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-11-12 10:04:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-11-12 10:04:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-12 10:04:49,437 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-12 10:04:49,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 10:04:49,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 10:04:50,346 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-12 10:05:00,995 INFO L? ?]: Removed 1025 outVars from TransFormulas that were not future-live. [2024-11-12 10:05:00,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 10:05:01,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 10:05:01,082 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-12 10:05:01,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:05:01 BoogieIcfgContainer [2024-11-12 10:05:01,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 10:05:01,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 10:05:01,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 10:05:01,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 10:05:01,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:04:47" (1/3) ... [2024-11-12 10:05:01,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc5444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:05:01, skipping insertion in model container [2024-11-12 10:05:01,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:04:48" (2/3) ... [2024-11-12 10:05:01,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc5444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:05:01, skipping insertion in model container [2024-11-12 10:05:01,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:05:01" (3/3) ... [2024-11-12 10:05:01,093 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 [2024-11-12 10:05:01,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 10:05:01,110 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 10:05:01,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 10:05:01,210 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;@5b6e693b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 10:05:01,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 10:05:01,220 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) [2024-11-12 10:05:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 10:05:01,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:05:01,245 INFO L218 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] [2024-11-12 10:05:01,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:05:01,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:05:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1107105729, now seen corresponding path program 1 times [2024-11-12 10:05:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:05:01,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669250043] [2024-11-12 10:05:01,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:05:01,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:05:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:12,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 10:05:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-12 10:05:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 10:05:12,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:05:12,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669250043] [2024-11-12 10:05:12,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669250043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:05:12,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:05:12,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 10:05:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368113686] [2024-11-12 10:05:12,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:05:12,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 10:05:12,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:05:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 10:05:12,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 10:05:12,295 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) [2024-11-12 10:05:16,401 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 [] [2024-11-12 10:05:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:05:25,910 INFO L93 Difference]: Finished difference Result 2104 states and 3106 transitions. [2024-11-12 10:05:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 10:05:25,913 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 [2024-11-12 10:05:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:05:25,936 INFO L225 Difference]: With dead ends: 2104 [2024-11-12 10:05:25,937 INFO L226 Difference]: Without dead ends: 1344 [2024-11-12 10:05:25,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 10:05:25,950 INFO L435 NwaCegarLoop]: 922 mSDtfsCounter, 1111 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 349 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 2232 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-12 10:05:25,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 2232 Invalid, 1046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2024-11-12 10:05:25,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-12 10:05:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1185. [2024-11-12 10:05:26,102 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) [2024-11-12 10:05:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1705 transitions. [2024-11-12 10:05:26,116 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1705 transitions. Word has length 35 [2024-11-12 10:05:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:05:26,116 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1705 transitions. [2024-11-12 10:05:26,117 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) [2024-11-12 10:05:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1705 transitions. [2024-11-12 10:05:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-12 10:05:26,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:05:26,131 INFO L218 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] [2024-11-12 10:05:26,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 10:05:26,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:05:26,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:05:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash 59559523, now seen corresponding path program 1 times [2024-11-12 10:05:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:05:26,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131192939] [2024-11-12 10:05:26,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:05:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:05:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:35,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 10:05:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 10:05:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:35,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 10:05:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:05:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 10:05:35,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:05:35,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131192939] [2024-11-12 10:05:35,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131192939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:05:35,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:05:35,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 10:05:35,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465076463] [2024-11-12 10:05:35,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:05:35,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 10:05:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:05:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 10:05:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 10:05:35,739 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) [2024-11-12 10:05:39,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:05:44,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:05:56,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 10:05:56,065 INFO L93 Difference]: Finished difference Result 2527 states and 3670 transitions. [2024-11-12 10:05:56,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 10:05:56,066 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 [2024-11-12 10:05:56,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 10:05:56,076 INFO L225 Difference]: With dead ends: 2527 [2024-11-12 10:05:56,077 INFO L226 Difference]: Without dead ends: 1345 [2024-11-12 10:05:56,081 INFO L434 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 [2024-11-12 10:05:56,082 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 1385 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 407 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s 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, 19.9s IncrementalHoareTripleChecker+Time [2024-11-12 10:05:56,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 1703 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time] [2024-11-12 10:05:56,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2024-11-12 10:05:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1185. [2024-11-12 10:05:56,142 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) [2024-11-12 10:05:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-11-12 10:05:56,151 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 58 [2024-11-12 10:05:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 10:05:56,151 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-11-12 10:05:56,152 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) [2024-11-12 10:05:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-11-12 10:05:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 10:05:56,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 10:05:56,160 INFO L218 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] [2024-11-12 10:05:56,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 10:05:56,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 10:05:56,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 10:05:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash -223786691, now seen corresponding path program 1 times [2024-11-12 10:05:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 10:05:56,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253528318] [2024-11-12 10:05:56,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 10:05:56,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 10:06:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:04,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 10:06:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:04,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 10:06:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:04,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 10:06:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:05,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 10:06:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:05,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 10:06:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 10:06:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 10:06:05,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 10:06:05,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253528318] [2024-11-12 10:06:05,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253528318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 10:06:05,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 10:06:05,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 10:06:05,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333108645] [2024-11-12 10:06:05,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 10:06:05,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 10:06:05,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 10:06:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 10:06:05,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 10:06:05,146 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) [2024-11-12 10:06:09,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 10:06:13,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []