./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /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 -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.fs.cvc5-61a6796-m [2024-10-14 15:25:57,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:25:57,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:25:57,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:25:57,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:25:57,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:25:57,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:25:57,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:25:57,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:25:57,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:25:57,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:25:57,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:25:57,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:25:57,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:25:57,983 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:25:57,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:25:57,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:25:57,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:25:57,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:25:57,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:25:57,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:25:57,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:25:57,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:25:57,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:25:57,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:25:57,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:25:57,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:25:57,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:25:57,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:25:57,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:25:57,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:25:57,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:25:57,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:25:57,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:25:57,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2024-10-14 15:25:58,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:25:58,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:25:58,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:25:58,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:25:58,291 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:25:58,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-14 15:25:59,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:25:59,977 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:25:59,978 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 [2024-10-14 15:26:00,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9bb6de86/c6096af828f24f94b2f1f271d141908c/FLAG3b26caa3d [2024-10-14 15:26:00,222 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9bb6de86/c6096af828f24f94b2f1f271d141908c [2024-10-14 15:26:00,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:26:00,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:26:00,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:26:00,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:26:00,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:26:00,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:26:00" (1/1) ... [2024-10-14 15:26:00,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11304c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:00, skipping insertion in model container [2024-10-14 15:26:00,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:26:00" (1/1) ... [2024-10-14 15:26:00,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:26:00,577 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-10-14 15:26:00,577 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-10-14 15:26:00,723 WARN L248 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] [2024-10-14 15:26:01,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:26:01,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:26:01,195 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-10-14 15:26:01,195 WARN L1336 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-10-14 15:26:01,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-10-14 15:26:01,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-10-14 15:26:01,244 WARN L248 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] [2024-10-14 15:26:01,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:26:01,407 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:26:01,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01 WrapperNode [2024-10-14 15:26:01,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:26:01,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:26:01,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:26:01,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:26:01,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,534 INFO L138 Inliner]: procedures = 142, calls = 1021, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2179 [2024-10-14 15:26:01,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:26:01,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:26:01,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:26:01,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:26:01,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,669 INFO L175 MemorySlicer]: Split 709 memory accesses to 25 slices as follows [6, 33, 22, 33, 33, 33, 33, 33, 33, 38, 39, 35, 33, 3, 8, 8, 229, 8, 7, 6, 2, 16, 9, 6, 3]. 32 percent of accesses are in the largest equivalence class. The 412 initializations are split as follows [5, 32, 22, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 0, 8, 0, 7, 0, 0, 0, 2, 16, 0, 0, 0]. The 88 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 0, 2, 0, 0, 67, 0, 1, 0, 0, 0, 9, 1, 3]. [2024-10-14 15:26:01,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:26:01,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:26:01,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:26:01,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:26:01,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (1/1) ... [2024-10-14 15:26:01,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:26:01,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:26:01,900 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) [2024-10-14 15:26:01,908 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 [2024-10-14 15:26:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-10-14 15:26:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-10-14 15:26:01,950 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-10-14 15:26:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-14 15:26:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-14 15:26:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-14 15:26:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-14 15:26:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-14 15:26:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-14 15:26:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-14 15:26:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-14 15:26:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-14 15:26:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-14 15:26:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-14 15:26:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-14 15:26:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-14 15:26:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-10-14 15:26:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-10-14 15:26:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-10-14 15:26:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-10-14 15:26:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-10-14 15:26:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-10-14 15:26:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-14 15:26:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-14 15:26:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-14 15:26:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-14 15:26:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-14 15:26:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-14 15:26:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-10-14 15:26:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-10-14 15:26:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-10-14 15:26:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-10-14 15:26:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-10-14 15:26:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-10-14 15:26:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-10-14 15:26:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-10-14 15:26:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-10-14 15:26:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-10-14 15:26:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:26:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:26:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 15:26:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-14 15:26:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-10-14 15:26:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-10-14 15:26:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:26:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-10-14 15:26:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-10-14 15:26:01,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:26:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:26:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:26:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:26:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:26:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 15:26:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 15:26:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-14 15:26:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-14 15:26:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-14 15:26:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-14 15:26:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-14 15:26:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-14 15:26:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-14 15:26:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-14 15:26:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-14 15:26:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-14 15:26:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:26:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:26:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-10-14 15:26:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-10-14 15:26:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:26:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:26:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-10-14 15:26:01,974 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:26:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:26:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:26:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:26:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:26:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:26:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-14 15:26:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-14 15:26:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-14 15:26:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-10-14 15:26:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:26:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-14 15:26:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-14 15:26:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-14 15:26:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-14 15:26:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-14 15:26:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-14 15:26:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-14 15:26:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-10-14 15:26:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-10-14 15:26:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-10-14 15:26:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-10-14 15:26:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-10-14 15:26:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-10-14 15:26:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-10-14 15:26:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-10-14 15:26:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:26:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-10-14 15:26:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-10-14 15:26:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:26:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-14 15:26:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-14 15:26:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-10-14 15:26:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-10-14 15:26:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-10-14 15:26:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:26:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-14 15:26:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-14 15:26:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-14 15:26:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:26:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-14 15:26:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-14 15:26:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-10-14 15:26:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-10-14 15:26:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:26:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:26:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-10-14 15:26:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-10-14 15:26:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-10-14 15:26:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-10-14 15:26:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-14 15:26:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-14 15:26:02,442 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:26:02,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:26:02,687 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:26:04,325 INFO L? ?]: Removed 1025 outVars from TransFormulas that were not future-live. [2024-10-14 15:26:04,325 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:26:04,503 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:26:04,503 INFO L314 CfgBuilder]: Removed 27 assume(true) statements. [2024-10-14 15:26:04,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:26:04 BoogieIcfgContainer [2024-10-14 15:26:04,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:26:04,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:26:04,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:26:04,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:26:04,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:26:00" (1/3) ... [2024-10-14 15:26:04,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e8bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:26:04, skipping insertion in model container [2024-10-14 15:26:04,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:26:01" (2/3) ... [2024-10-14 15:26:04,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e8bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:26:04, skipping insertion in model container [2024-10-14 15:26:04,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:26:04" (3/3) ... [2024-10-14 15:26:04,511 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 [2024-10-14 15:26:04,524 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:26:04,524 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:26:04,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:26:04,607 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;@1e62889c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:26:04,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:26:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 639 states, 461 states have (on average 1.4859002169197397) internal successors, (685), 488 states have internal predecessors, (685), 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) [2024-10-14 15:26:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-14 15:26:04,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:04,640 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] [2024-10-14 15:26:04,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:04,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash -915894834, now seen corresponding path program 1 times [2024-10-14 15:26:04,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:04,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644400718] [2024-10-14 15:26:04,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 15:26:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-14 15:26:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 15:26:05,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:05,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644400718] [2024-10-14 15:26:05,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644400718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:05,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:05,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:26:05,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272439865] [2024-10-14 15:26:05,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:05,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:26:05,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:05,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:26:05,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:26:05,145 INFO L87 Difference]: Start difference. First operand has 639 states, 461 states have (on average 1.4859002169197397) internal successors, (685), 488 states have internal predecessors, (685), 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 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-10-14 15:26:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:06,874 INFO L93 Difference]: Finished difference Result 1881 states and 2883 transitions. [2024-10-14 15:26:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:26:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 32 [2024-10-14 15:26:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:06,906 INFO L225 Difference]: With dead ends: 1881 [2024-10-14 15:26:06,906 INFO L226 Difference]: Without dead ends: 1215 [2024-10-14 15:26:06,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:26:06,919 INFO L432 NwaCegarLoop]: 850 mSDtfsCounter, 982 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 2003 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:06,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 2003 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 15:26:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-10-14 15:26:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1063. [2024-10-14 15:26:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 779 states have (on average 1.44801026957638) internal successors, (1128), 812 states have internal predecessors, (1128), 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) [2024-10-14 15:26:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1583 transitions. [2024-10-14 15:26:07,064 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1583 transitions. Word has length 32 [2024-10-14 15:26:07,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:07,065 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1583 transitions. [2024-10-14 15:26:07,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-10-14 15:26:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1583 transitions. [2024-10-14 15:26:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 15:26:07,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:07,074 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] [2024-10-14 15:26:07,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:26:07,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:07,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:07,076 INFO L85 PathProgramCache]: Analyzing trace with hash -99352855, now seen corresponding path program 1 times [2024-10-14 15:26:07,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:07,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314874650] [2024-10-14 15:26:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 15:26:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 15:26:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:26:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 15:26:07,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:07,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314874650] [2024-10-14 15:26:07,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314874650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:07,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:07,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:26:07,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691645884] [2024-10-14 15:26:07,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:07,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:26:07,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:26:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:26:07,291 INFO L87 Difference]: Start difference. First operand 1063 states and 1583 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-14 15:26:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:08,713 INFO L93 Difference]: Finished difference Result 2279 states and 3422 transitions. [2024-10-14 15:26:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:26:08,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 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 52 [2024-10-14 15:26:08,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:08,722 INFO L225 Difference]: With dead ends: 2279 [2024-10-14 15:26:08,722 INFO L226 Difference]: Without dead ends: 1217 [2024-10-14 15:26:08,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:26:08,728 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 1224 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:08,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 1473 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 15:26:08,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-10-14 15:26:08,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1063. [2024-10-14 15:26:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 779 states have (on average 1.4454428754813864) internal successors, (1126), 812 states have internal predecessors, (1126), 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) [2024-10-14 15:26:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1581 transitions. [2024-10-14 15:26:08,786 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1581 transitions. Word has length 52 [2024-10-14 15:26:08,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:08,787 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1581 transitions. [2024-10-14 15:26:08,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-14 15:26:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1581 transitions. [2024-10-14 15:26:08,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 15:26:08,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:08,791 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] [2024-10-14 15:26:08,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:26:08,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:08,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:08,792 INFO L85 PathProgramCache]: Analyzing trace with hash 491637302, now seen corresponding path program 1 times [2024-10-14 15:26:08,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369252981] [2024-10-14 15:26:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 15:26:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 15:26:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:26:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 15:26:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:26:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 15:26:08,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:08,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369252981] [2024-10-14 15:26:08,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369252981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:08,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:08,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:26:08,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127207658] [2024-10-14 15:26:08,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:08,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:26:08,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:08,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:26:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:26:08,992 INFO L87 Difference]: Start difference. First operand 1063 states and 1581 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 15:26:10,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:10,549 INFO L93 Difference]: Finished difference Result 2280 states and 3420 transitions. [2024-10-14 15:26:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:26:10,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) Word has length 64 [2024-10-14 15:26:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:10,557 INFO L225 Difference]: With dead ends: 2280 [2024-10-14 15:26:10,557 INFO L226 Difference]: Without dead ends: 1218 [2024-10-14 15:26:10,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:26:10,563 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 364 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:10,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2089 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 15:26:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-10-14 15:26:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1064. [2024-10-14 15:26:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 780 states have (on average 1.4448717948717948) internal successors, (1127), 813 states have internal predecessors, (1127), 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) [2024-10-14 15:26:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1582 transitions. [2024-10-14 15:26:10,623 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1582 transitions. Word has length 64 [2024-10-14 15:26:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:10,624 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1582 transitions. [2024-10-14 15:26:10,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 15:26:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1582 transitions. [2024-10-14 15:26:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 15:26:10,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:10,627 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] [2024-10-14 15:26:10,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:26:10,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:10,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1313801032, now seen corresponding path program 1 times [2024-10-14 15:26:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:10,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690113357] [2024-10-14 15:26:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 15:26:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 15:26:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:26:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 15:26:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:26:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 15:26:10,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:10,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690113357] [2024-10-14 15:26:10,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690113357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:10,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:10,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:26:10,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663751448] [2024-10-14 15:26:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:10,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:26:10,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:26:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:26:10,808 INFO L87 Difference]: Start difference. First operand 1064 states and 1582 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 15:26:12,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:12,245 INFO L93 Difference]: Finished difference Result 2282 states and 3422 transitions. [2024-10-14 15:26:12,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:26:12,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) Word has length 64 [2024-10-14 15:26:12,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:12,259 INFO L225 Difference]: With dead ends: 2282 [2024-10-14 15:26:12,259 INFO L226 Difference]: Without dead ends: 1219 [2024-10-14 15:26:12,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:26:12,266 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 364 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:12,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2099 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 15:26:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-10-14 15:26:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1065. [2024-10-14 15:26:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 781 states have (on average 1.444302176696543) internal successors, (1128), 814 states have internal predecessors, (1128), 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) [2024-10-14 15:26:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1583 transitions. [2024-10-14 15:26:12,311 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1583 transitions. Word has length 64 [2024-10-14 15:26:12,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:12,311 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 1583 transitions. [2024-10-14 15:26:12,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 15:26:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1583 transitions. [2024-10-14 15:26:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 15:26:12,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:12,316 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] [2024-10-14 15:26:12,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:26:12,316 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:12,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -891099206, now seen corresponding path program 1 times [2024-10-14 15:26:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:12,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249843228] [2024-10-14 15:26:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:12,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 15:26:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 15:26:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:26:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 15:26:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:26:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 15:26:12,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:12,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249843228] [2024-10-14 15:26:12,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249843228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:12,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:12,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:26:12,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395451890] [2024-10-14 15:26:12,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:12,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:26:12,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:12,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:26:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:26:12,509 INFO L87 Difference]: Start difference. First operand 1065 states and 1583 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 15:26:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:13,958 INFO L93 Difference]: Finished difference Result 1223 states and 1844 transitions. [2024-10-14 15:26:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:26:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-10-14 15:26:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:13,966 INFO L225 Difference]: With dead ends: 1223 [2024-10-14 15:26:13,966 INFO L226 Difference]: Without dead ends: 1220 [2024-10-14 15:26:13,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:26:13,967 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 364 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:13,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2091 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 15:26:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-10-14 15:26:14,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1066. [2024-10-14 15:26:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 782 states have (on average 1.4437340153452685) internal successors, (1129), 815 states have internal predecessors, (1129), 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) [2024-10-14 15:26:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1584 transitions. [2024-10-14 15:26:14,007 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1584 transitions. Word has length 64 [2024-10-14 15:26:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:14,008 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1584 transitions. [2024-10-14 15:26:14,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 15:26:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1584 transitions. [2024-10-14 15:26:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 15:26:14,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:26:14,011 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] [2024-10-14 15:26:14,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:26:14,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:26:14,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:26:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1624120754, now seen corresponding path program 1 times [2024-10-14 15:26:14,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:26:14,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732221850] [2024-10-14 15:26:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:26:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:26:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 15:26:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 15:26:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 15:26:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 15:26:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:26:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:26:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 15:26:14,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:26:14,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732221850] [2024-10-14 15:26:14,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732221850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:26:14,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:26:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:26:14,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342422554] [2024-10-14 15:26:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:26:14,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:26:14,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:26:14,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:26:14,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:26:14,272 INFO L87 Difference]: Start difference. First operand 1066 states and 1584 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 15:26:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:26:15,793 INFO L93 Difference]: Finished difference Result 2283 states and 3417 transitions. [2024-10-14 15:26:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 15:26:15,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 66 [2024-10-14 15:26:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:26:15,795 INFO L225 Difference]: With dead ends: 2283 [2024-10-14 15:26:15,795 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 15:26:15,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 15:26:15,803 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 739 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:26:15,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 2370 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 15:26:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 15:26:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 15:26:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 15:26:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 15:26:15,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2024-10-14 15:26:15,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:26:15,806 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 15:26:15,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 15:26:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 15:26:15,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 15:26:15,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 15:26:15,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:26:15,819 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 15:26:15,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 15:26:18,288 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 15:26:18,302 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 [2024-10-14 15:26:18,303 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 [2024-10-14 15:26:18,303 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.base [2024-10-14 15:26:18,304 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.base [2024-10-14 15:26:18,304 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.offset [2024-10-14 15:26:18,304 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.offset [2024-10-14 15:26:18,304 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#16 [2024-10-14 15:26:18,304 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#16 [2024-10-14 15:26:18,305 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 [2024-10-14 15:26:18,305 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 [2024-10-14 15:26:18,310 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_free contained old-variable. Original clause: (and (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,316 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_do_close contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,317 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_add_timer contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,321 WARN L155 FloydHoareUtils]: Requires clause for ldv_irq_1 contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= ~ldv_spin~0 0) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |old(~ldv_spin~0)| 0) (= |old(#valid)| |#valid|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,324 WARN L155 FloydHoareUtils]: Requires clause for #Ultimate.C_strcpy#16 contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= ~ldv_spin~0 0) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,326 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 [2024-10-14 15:26:18,326 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 [2024-10-14 15:26:18,326 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 [2024-10-14 15:26:18,328 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 [2024-10-14 15:26:18,330 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_io_loop contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |old(#valid)| |#valid|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,331 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_del_timer contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,337 WARN L155 FloydHoareUtils]: Requires clause for snd_serial_unregister_all contained old-variable. Original clause: (or (not (= |old(~ldv_state_variable_3~0)| 0)) (= ~ldv_state_variable_3~0 0)) Eliminated clause: true [2024-10-14 15:26:18,338 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_output_byte contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,340 WARN L155 FloydHoareUtils]: Requires clause for ldv_spin_lock contained old-variable. Original clause: (and (= ~ldv_spin~0 0) (= |old(~ldv_spin~0)| 0) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,344 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,347 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_buffer_output contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,348 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_substreams contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= ~ldv_spin~0 0) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,350 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_input_trigger contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= ~ldv_spin~0 0) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |old(~ldv_spin~0)| 0) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,354 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_output_trigger contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= ~ldv_spin~0 0) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |old(~ldv_spin~0)| 0) (= |old(#valid)| |#valid|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,363 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_do_open contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,365 WARN L155 FloydHoareUtils]: Requires clause for ldv_zalloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= ~ldv_spin~0 0) (= |old(#valid)| |#valid|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (and (= ~ldv_spin~0 0) (= ~ldv_retval_2~0 0)) [2024-10-14 15:26:18,366 WARN L155 FloydHoareUtils]: Requires clause for snd_uart16550_write_buffer contained old-variable. Original clause: (and (= |#memory_$Pointer$#16.base| |old(#memory_$Pointer$#16.base)|) (= |old(#memory_$Pointer$#16.offset)| |#memory_$Pointer$#16.offset|) (= |#memory_int#16| |old(#memory_int#16)|) (= ~ldv_retval_2~0 0)) Eliminated clause: (= ~ldv_retval_2~0 0) [2024-10-14 15:26:18,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:26:18 BoogieIcfgContainer [2024-10-14 15:26:18,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 15:26:18,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 15:26:18,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 15:26:18,371 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 15:26:18,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:26:04" (3/4) ... [2024-10-14 15:26:18,373 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 15:26:18,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_free [2024-10-14 15:26:18,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_close [2024-10-14 15:26:18,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_add_timer [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_2 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_io_loop [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2024-10-14 15:26:18,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_del_timer [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_serial_unregister_all [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_byte [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_buffer_output [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_receive [2024-10-14 15:26:18,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_substreams [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_input_trigger [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_card_free [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_trigger [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-10-14 15:26:18,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_open [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2024-10-14 15:26:18,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2024-10-14 15:26:18,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2024-10-14 15:26:18,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2024-10-14 15:26:18,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-10-14 15:26:18,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2024-10-14 15:26:18,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __snd_printk [2024-10-14 15:26:18,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_set_ops [2024-10-14 15:26:18,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_write_buffer [2024-10-14 15:26:18,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-10-14 15:26:18,415 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 294 nodes and edges [2024-10-14 15:26:18,418 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2024-10-14 15:26:18,422 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-10-14 15:26:18,425 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-14 15:26:18,428 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 15:26:18,432 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 15:26:18,475 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-10-14 15:26:18,626 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-10-14 15:26:18,681 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 15:26:18,682 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 15:26:18,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 15:26:18,682 INFO L158 Benchmark]: Toolchain (without parser) took 18457.36ms. Allocated memory was 167.8MB in the beginning and 583.0MB in the end (delta: 415.2MB). Free memory was 107.3MB in the beginning and 277.9MB in the end (delta: -170.6MB). Peak memory consumption was 246.0MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,683 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 15:26:18,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.44ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 106.3MB in the end (delta: 334.6kB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.08ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,683 INFO L158 Benchmark]: Boogie Preprocessor took 330.82ms. Allocated memory was 167.8MB in the beginning and 266.3MB in the end (delta: 98.6MB). Free memory was 91.6MB in the beginning and 202.8MB in the end (delta: -111.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,683 INFO L158 Benchmark]: RCFGBuilder took 2636.54ms. Allocated memory is still 266.3MB. Free memory was 202.8MB in the beginning and 183.4MB in the end (delta: 19.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,684 INFO L158 Benchmark]: TraceAbstraction took 13864.86ms. Allocated memory was 266.3MB in the beginning and 583.0MB in the end (delta: 316.7MB). Free memory was 182.4MB in the beginning and 326.1MB in the end (delta: -143.8MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,684 INFO L158 Benchmark]: Witness Printer took 310.93ms. Allocated memory is still 583.0MB. Free memory was 326.1MB in the beginning and 277.9MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-14 15:26:18,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.44ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 106.3MB in the end (delta: 334.6kB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.08ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 330.82ms. Allocated memory was 167.8MB in the beginning and 266.3MB in the end (delta: 98.6MB). Free memory was 91.6MB in the beginning and 202.8MB in the end (delta: -111.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2636.54ms. Allocated memory is still 266.3MB. Free memory was 202.8MB in the beginning and 183.4MB in the end (delta: 19.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13864.86ms. Allocated memory was 266.3MB in the beginning and 583.0MB in the end (delta: 316.7MB). Free memory was 182.4MB in the beginning and 326.1MB in the end (delta: -143.8MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. * Witness Printer took 310.93ms. Allocated memory is still 583.0MB. Free memory was 326.1MB in the beginning and 277.9MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] - GenericResultAtLocation [Line: 2627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#16.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_spin~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_retval_2~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2700]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 60 procedures, 760 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4302 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 12125 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7733 mSDsCounter, 2103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6648 IncrementalHoareTripleChecker+Invalid, 8751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2103 mSolverCounterUnsat, 4392 mSDtfsCounter, 6648 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1066occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 768 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 97/97 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3061]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3636]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 2835]: Location Invariant Derived location invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3432]: Location Invariant Derived location invariant: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 2567]: Location Invariant Derived location invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3734]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 3072]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3399]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 2703]: Location Invariant Derived location invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 3522]: Procedure Contract for snd_uart16550_free Derived contract for procedure snd_uart16550_free. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3218]: Procedure Contract for snd_uart16550_do_close Derived contract for procedure snd_uart16550_do_close. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 2968]: Procedure Contract for snd_uart16550_add_timer Derived contract for procedure snd_uart16550_add_timer. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 3982]: Procedure Contract for ldv_irq_1 Derived contract for procedure ldv_irq_1. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: (((ldv_spin == 0) && (\old(ldv_spin) == 0)) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3866]: Procedure Contract for reg_timer_2 Derived contract for procedure reg_timer_2. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3008]: Procedure Contract for snd_uart16550_io_loop Derived contract for procedure snd_uart16550_io_loop. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 2980]: Procedure Contract for snd_uart16550_del_timer Derived contract for procedure snd_uart16550_del_timer. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 3761]: Procedure Contract for snd_serial_unregister_all Derived contract for procedure snd_serial_unregister_all. Ensures: (ldv_state_variable_3 == 0) - ProcedureContractResult [Line: 3366]: Procedure Contract for snd_uart16550_output_byte Derived contract for procedure snd_uart16550_output_byte. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 4381]: Procedure Contract for ldv_spin_unlock Derived contract for procedure ldv_spin_unlock. Requires: (ldv_retval_2 == 0) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 4374]: Procedure Contract for ldv_spin_lock Derived contract for procedure ldv_spin_lock. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 4448]: Procedure Contract for platform_device_unregister Derived contract for procedure platform_device_unregister. Requires: (((ldv_spin == 0) && (ldv_retval_2 == 0)) || (ldv_state_variable_3 == 0)) Ensures: (((ldv_spin == 0) && (ldv_retval_2 == 0)) || (ldv_state_variable_3 == 0)) - ProcedureContractResult [Line: 4265]: Procedure Contract for spin_unlock_irqrestore Derived contract for procedure spin_unlock_irqrestore. Requires: (ldv_retval_2 == 0) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2644]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2991]: Procedure Contract for snd_uart16550_buffer_output Derived contract for procedure snd_uart16550_buffer_output. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 4486]: Procedure Contract for snd_rawmidi_receive Derived contract for procedure snd_rawmidi_receive. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 3626]: Procedure Contract for snd_uart16550_substreams Derived contract for procedure snd_uart16550_substreams. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3284]: Procedure Contract for snd_uart16550_input_trigger Derived contract for procedure snd_uart16550_input_trigger. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: (((ldv_spin == 0) && (\old(ldv_spin) == 0)) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 4466]: Procedure Contract for snd_card_free Derived contract for procedure snd_card_free. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2835]: Procedure Contract for platform_get_drvdata Derived contract for procedure platform_get_drvdata. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 4455]: Procedure Contract for printk Derived contract for procedure printk. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2696]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 3497]: Procedure Contract for snd_uart16550_output_trigger Derived contract for procedure snd_uart16550_output_trigger. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: (((ldv_spin == 0) && (\old(ldv_spin) == 0)) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2623]: Procedure Contract for inb Derived contract for procedure inb. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 2616]: Procedure Contract for outb Derived contract for procedure outb. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 4257]: Procedure Contract for spin_unlock Derived contract for procedure spin_unlock. Requires: (ldv_retval_2 == 0) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 2640]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3160]: Procedure Contract for snd_uart16550_do_open Derived contract for procedure snd_uart16550_do_open. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 2662]: Procedure Contract for ldv_zalloc Derived contract for procedure ldv_zalloc. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 4411]: Procedure Contract for __snd_printk Derived contract for procedure __snd_printk. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 4489]: Procedure Contract for snd_rawmidi_set_ops Derived contract for procedure snd_rawmidi_set_ops. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - ProcedureContractResult [Line: 3345]: Procedure Contract for snd_uart16550_write_buffer Derived contract for procedure snd_uart16550_write_buffer. Requires: (ldv_retval_2 == 0) Ensures: (ldv_retval_2 == 0) - ProcedureContractResult [Line: 2567]: Procedure Contract for IS_ERR Derived contract for procedure IS_ERR. Requires: ((ldv_spin == 0) && (ldv_retval_2 == 0)) Ensures: ((ldv_spin == 0) && (ldv_retval_2 == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-14 15:26:18,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE