/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:11:03,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:11:03,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:11:03,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:11:03,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:11:03,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:11:03,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:11:03,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:11:03,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:11:03,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:11:03,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:11:03,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:11:03,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:11:03,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:11:03,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:11:03,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:11:03,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:11:03,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:11:03,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:11:03,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:11:03,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:11:03,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:11:03,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:11:03,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:11:03,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:11:03,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:11:03,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:11:03,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:11:03,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:11:03,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:11:03,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:11:03,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:11:03,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:11:03,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:11:03,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:11:03,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:11:03,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:11:03,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:11:03,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:11:03,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:11:03,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:11:03,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:11:03,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:11:03,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:11:03,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:11:03,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:11:03,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:11:03,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:11:03,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:11:03,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:11:03,688 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:11:03,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:11:03,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:11:03,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:11:03,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:11:03,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:11:03,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:11:03,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:11:03,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:11:03,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:11:03,691 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:11:03,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:11:03,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:11:03,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:11:03,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:11:03,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:11:03,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:11:03,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:11:03,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:03,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:11:03,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:11:03,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:11:03,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:11:03,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:11:03,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:11:03,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:11:04,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:11:04,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:11:04,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:11:04,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:11:04,158 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:11:04,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-15 21:11:04,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47fde9ed/a73d316ed93a4e358a29e2ee643f5805/FLAG73c643bdb [2022-10-15 21:11:05,522 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:11:05,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-15 21:11:05,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47fde9ed/a73d316ed93a4e358a29e2ee643f5805/FLAG73c643bdb [2022-10-15 21:11:05,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47fde9ed/a73d316ed93a4e358a29e2ee643f5805 [2022-10-15 21:11:05,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:11:05,830 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:11:05,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:05,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:11:05,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:11:05,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:05" (1/1) ... [2022-10-15 21:11:05,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6964a5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:05, skipping insertion in model container [2022-10-15 21:11:05,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:05" (1/1) ... [2022-10-15 21:11:05,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:11:06,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:11:07,681 WARN L230 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-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[116803,116816] [2022-10-15 21:11:10,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:11,000 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:11:11,134 WARN L230 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-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[116803,116816] [2022-10-15 21:11:11,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:12,239 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:11:12,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12 WrapperNode [2022-10-15 21:11:12,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:12,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:12,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:11:12,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:11:12,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:12,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,037 INFO L138 Inliner]: procedures = 367, calls = 4074, calls flagged for inlining = 161, calls inlined = 138, statements flattened = 10089 [2022-10-15 21:11:13,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:13,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:11:13,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:11:13,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:11:13,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:13,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:14,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:11:14,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:11:14,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:11:14,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:11:14,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (1/1) ... [2022-10-15 21:11:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:14,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:14,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:11:14,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:11:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_buf_free [2022-10-15 21:11:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_buf_free [2022-10-15 21:11:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_mmap [2022-10-15 21:11:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_mmap [2022-10-15 21:11:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-10-15 21:11:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-10-15 21:11:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:11:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:11:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_compat_ioctl [2022-10-15 21:11:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_compat_ioctl [2022-10-15 21:11:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-15 21:11:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-10-15 21:11:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:11:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-10-15 21:11:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-10-15 21:11:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:11:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:11:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_running [2022-10-15 21:11:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_running [2022-10-15 21:11:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_alloc [2022-10-15 21:11:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_alloc [2022-10-15 21:11:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure compat_chaninfo [2022-10-15 21:11:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_chaninfo [2022-10-15 21:11:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_cleanup [2022-10-15 21:11:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_cleanup [2022-10-15 21:11:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write_subdevice [2022-10-15 21:11:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write_subdevice [2022-10-15 21:11:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure max_write_buffer_kb_show [2022-10-15 21:11:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure max_write_buffer_kb_show [2022-10-15 21:11:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_set_subdevice_runflags [2022-10-15 21:11:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_set_subdevice_runflags [2022-10-15 21:11:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-10-15 21:11:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-10-15 21:11:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:11:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:11:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:11:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:11:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-15 21:11:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-15 21:11:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_read_subdevice [2022-10-15 21:11:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_read_subdevice [2022-10-15 21:11:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_free [2022-10-15 21:11:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_free [2022-10-15 21:11:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_open [2022-10-15 21:11:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_open [2022-10-15 21:11:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:11:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:11:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:11:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:11:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure compat_rangeinfo [2022-10-15 21:11:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_rangeinfo [2022-10-15 21:11:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insn [2022-10-15 21:11:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insn [2022-10-15 21:11:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insnlist [2022-10-15 21:11:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insnlist [2022-10-15 21:11:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_alloc [2022-10-15 21:11:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_alloc [2022-10-15 21:11:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-15 21:11:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_fasync [2022-10-15 21:11:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_fasync [2022-10-15 21:11:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:11:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:11:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_per_sample [2022-10-15 21:11:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_per_sample [2022-10-15 21:11:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-15 21:11:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-15 21:11:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:11:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:11:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_alloc_board_minor [2022-10-15 21:11:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_alloc_board_minor [2022-10-15 21:11:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:11:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:11:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_poll [2022-10-15 21:11:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_poll [2022-10-15 21:11:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_n_available [2022-10-15 21:11:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_n_available [2022-10-15 21:11:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-15 21:11:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-15 21:11:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-10-15 21:11:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-10-15 21:11:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-15 21:11:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-15 21:11:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_cmd [2022-10-15 21:11:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_cmd [2022-10-15 21:11:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:11:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:11:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-15 21:11:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-15 21:11:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:11:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:11:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_alloc [2022-10-15 21:11:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_alloc [2022-10-15 21:11:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:11:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:11:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:11:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:11:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_in_error [2022-10-15 21:11:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_in_error [2022-10-15 21:11:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_detach [2022-10-15 21:11:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_detach [2022-10-15 21:11:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_check_chanlist [2022-10-15 21:11:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_check_chanlist [2022-10-15 21:11:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:11:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:11:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:11:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:11:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write [2022-10-15 21:11:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write [2022-10-15 21:11:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-15 21:11:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-15 21:11:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-10-15 21:11:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-10-15 21:11:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:11:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:11:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_proc_open [2022-10-15 21:11:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_proc_open [2022-10-15 21:11:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-10-15 21:11:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-10-15 21:11:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:11:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:11:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:11:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:11:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:11:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:11:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-15 21:11:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-10-15 21:11:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:11:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:11:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:11:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:11:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:11:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:11:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_postconfig [2022-10-15 21:11:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_postconfig [2022-10-15 21:11:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:11:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:11:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure max_read_buffer_kb_show [2022-10-15 21:11:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure max_read_buffer_kb_show [2022-10-15 21:11:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:11:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:11:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_free_board_dev [2022-10-15 21:11:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_free_board_dev [2022-10-15 21:11:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_free [2022-10-15 21:11:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_free [2022-10-15 21:11:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_dev_from_minor [2022-10-15 21:11:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_dev_from_minor [2022-10-15 21:11:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:11:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-10-15 21:11:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-10-15 21:11:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_cleanup_board_minors [2022-10-15 21:11:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_cleanup_board_minors [2022-10-15 21:11:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:11:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 21:11:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_close [2022-10-15 21:11:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_close [2022-10-15 21:11:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_buf_write_alloc [2022-10-15 21:11:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_buf_write_alloc [2022-10-15 21:11:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure write_buffer_kb_show [2022-10-15 21:11:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure write_buffer_kb_show [2022-10-15 21:11:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmd [2022-10-15 21:11:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmd [2022-10-15 21:11:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:11:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:11:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-15 21:11:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-15 21:11:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-15 21:11:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:11:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:11:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:11:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-15 21:11:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-15 21:11:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:11:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:11:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_subdevice_from_minor [2022-10-15 21:11:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_subdevice_from_minor [2022-10-15 21:11:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmdtest [2022-10-15 21:11:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmdtest [2022-10-15 21:11:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure read_buffer_kb_show [2022-10-15 21:11:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure read_buffer_kb_show [2022-10-15 21:11:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-10-15 21:11:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-10-15 21:11:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:11:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure insn_rw_emulate_bits [2022-10-15 21:11:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure insn_rw_emulate_bits [2022-10-15 21:11:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:11:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:11:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:11:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_n_allocated [2022-10-15 21:11:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_n_allocated [2022-10-15 21:11:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_close [2022-10-15 21:11:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_close [2022-10-15 21:11:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:11:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_open [2022-10-15 21:11:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_open [2022-10-15 21:11:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:11:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:11:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_idle [2022-10-15 21:11:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_idle [2022-10-15 21:11:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:11:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:11:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:11:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:11:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure translated_ioctl [2022-10-15 21:11:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure translated_ioctl [2022-10-15 21:11:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:11:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:11:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-10-15 21:11:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-10-15 21:11:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ioctl [2022-10-15 21:11:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ioctl [2022-10-15 21:11:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_reset [2022-10-15 21:11:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_reset [2022-10-15 21:11:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure resize_async_buffer [2022-10-15 21:11:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_async_buffer [2022-10-15 21:11:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure parse_insn [2022-10-15 21:11:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_insn [2022-10-15 21:11:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_get_subdevice_runflags [2022-10-15 21:11:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_get_subdevice_runflags [2022-10-15 21:11:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:11:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-10-15 21:11:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-10-15 21:11:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure do_become_nonbusy [2022-10-15 21:11:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure do_become_nonbusy [2022-10-15 21:11:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_unlocked_ioctl [2022-10-15 21:11:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_unlocked_ioctl [2022-10-15 21:11:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel [2022-10-15 21:11:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel [2022-10-15 21:11:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_insn [2022-10-15 21:11:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_insn [2022-10-15 21:11:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:11:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-10-15 21:11:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-10-15 21:11:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:11:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:11:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:11:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:11:15,588 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:11:15,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:11:16,598 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:11:21,807 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:11:21,934 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9045: assume 0 != aref_invalid_~tmp~66#1;havoc aref_invalid_#t~nondet1322#1; [2022-10-15 21:11:21,935 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9045: assume !(0 != aref_invalid_~tmp~66#1); [2022-10-15 21:11:21,935 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9037: aref_invalid_#res#1 := 1;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-15 21:11:21,935 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == aref_invalid_~chanspec#1 / 16777216); [2022-10-15 21:11:21,935 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9021: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1318#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-15 21:11:21,936 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9021: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 3 == aref_invalid_~aref~0#1; [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == aref_invalid_~chanspec#1 / 16777216;aref_invalid_~aref~0#1 := 0; [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9022: assume 0 != (if 0 == aref_invalid_#t~mem1318#1 then 0 else (if 1 == aref_invalid_#t~mem1318#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1318#1, 1048576)));havoc aref_invalid_#t~mem1318#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9022: assume !(0 != (if 0 == aref_invalid_#t~mem1318#1 then 0 else (if 1 == aref_invalid_#t~mem1318#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1318#1, 1048576))));havoc aref_invalid_#t~mem1318#1; [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1317#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 0 == aref_invalid_~aref~0#1; [2022-10-15 21:11:21,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-2: assume false;aref_invalid_~aref~0#1 := aref_invalid_~chanspec#1 / 16777216; [2022-10-15 21:11:21,941 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-2: assume !false; [2022-10-15 21:11:21,941 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-4: assume aref_invalid_~chanspec#1 / 16777216 >= 0;abs_9007 := (if aref_invalid_~chanspec#1 / 16777216 < 3 then aref_invalid_~chanspec#1 / 16777216 else 3);assume aref_invalid_~chanspec#1 / 16777216 >= 0;assume aref_invalid_~aref~0#1 < abs_9007; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-4: assume !(aref_invalid_~chanspec#1 / 16777216 >= 0);aref_invalid_~aref~0#1 := aref_invalid_#t~nondet1314#1;havoc aref_invalid_#t~nondet1314#1; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007: assume false;aref_invalid_~aref~0#1 := 3; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007: assume !false; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-6: aref_invalid_#t~switch1315#1 := 2 == aref_invalid_~aref~0#1; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9016: assume 0 != (if 0 == aref_invalid_#t~mem1317#1 then 0 else (if 1 == aref_invalid_#t~mem1317#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1317#1, 2097152)));havoc aref_invalid_#t~mem1317#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-15 21:11:21,942 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9016: assume !(0 != (if 0 == aref_invalid_#t~mem1317#1 then 0 else (if 1 == aref_invalid_#t~mem1317#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1317#1, 2097152))));havoc aref_invalid_#t~mem1317#1; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9008: havoc aref_invalid_#t~switch1315#1; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9033: assume aref_invalid_#t~switch1315#1; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9033: assume !aref_invalid_#t~switch1315#1; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9009: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1316#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9009: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 1 == aref_invalid_~aref~0#1; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9010: assume 0 != (if 0 == aref_invalid_#t~mem1316#1 then 0 else (if 1 == aref_invalid_#t~mem1316#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1316#1, 4194304)));havoc aref_invalid_#t~mem1316#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-15 21:11:21,943 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9010: assume !(0 != (if 0 == aref_invalid_#t~mem1316#1 then 0 else (if 1 == aref_invalid_#t~mem1316#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1316#1, 4194304))));havoc aref_invalid_#t~mem1316#1; [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9027: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1319#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9027: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := true; [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9044: SUMMARY for call aref_invalid_#t~ret1321#1 := ldv__builtin_expect(aref_invalid_#t~mem1320#1 % 256, 0); srcloc: null [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9044-1: assume -2147483648 <= aref_invalid_#t~ret1321#1 && aref_invalid_#t~ret1321#1 <= 2147483647;aref_invalid_~tmp~66#1 := aref_invalid_#t~ret1321#1;havoc aref_invalid_#t~mem1320#1;havoc aref_invalid_#t~ret1321#1; [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9036: assume 0 != ~comedi_debug~0;call write~$Pointer$(302, 0, aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(303, 0, aref_invalid_~#descriptor~14#1.base, 4 + aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(304, 0, aref_invalid_~#descriptor~14#1.base, 8 + aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(305, 0, aref_invalid_~#descriptor~14#1.base, 12 + aref_invalid_~#descriptor~14#1.offset, 4);call write~int(168, aref_invalid_~#descriptor~14#1.base, 16 + aref_invalid_~#descriptor~14#1.offset, 4);call write~int(0, aref_invalid_~#descriptor~14#1.base, 20 + aref_invalid_~#descriptor~14#1.offset, 1);call aref_invalid_#t~mem1320#1 := read~int(aref_invalid_~#descriptor~14#1.base, 20 + aref_invalid_~#descriptor~14#1.offset, 1); [2022-10-15 21:11:21,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9036: assume !(0 != ~comedi_debug~0); [2022-10-15 21:11:21,945 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9028: assume 0 != (if 0 == aref_invalid_#t~mem1319#1 then 0 else (if 1 == aref_invalid_#t~mem1319#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1319#1, 8388608)));havoc aref_invalid_#t~mem1319#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-15 21:11:21,945 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9028: assume !(0 != (if 0 == aref_invalid_#t~mem1319#1 then 0 else (if 1 == aref_invalid_#t~mem1319#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1319#1, 8388608))));havoc aref_invalid_#t~mem1319#1; [2022-10-15 21:11:34,769 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:11:34,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:11:34,836 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:11:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:34 BoogieIcfgContainer [2022-10-15 21:11:34,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:11:34,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:11:34,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:11:34,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:11:34,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:05" (1/3) ... [2022-10-15 21:11:34,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25465f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:34, skipping insertion in model container [2022-10-15 21:11:34,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:12" (2/3) ... [2022-10-15 21:11:34,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25465f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:34, skipping insertion in model container [2022-10-15 21:11:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:34" (3/3) ... [2022-10-15 21:11:34,863 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-15 21:11:34,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:11:34,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-10-15 21:11:35,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:11:35,111 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3524bc64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:11:35,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-10-15 21:11:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 3964 states, 3171 states have (on average 1.56638284452854) internal successors, (4967), 3273 states have internal predecessors, (4967), 600 states have call successors, (600), 113 states have call predecessors, (600), 112 states have return successors, (591), 590 states have call predecessors, (591), 591 states have call successors, (591) [2022-10-15 21:11:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 21:11:35,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:35,171 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:35,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:11:35,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:35,180 INFO L85 PathProgramCache]: Analyzing trace with hash 382108169, now seen corresponding path program 1 times [2022-10-15 21:11:35,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:35,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126208971] [2022-10-15 21:11:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:11:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:11:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:11:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:11:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:11:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:11:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:11:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:11:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:11:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:11:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-15 21:11:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:11:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-15 21:11:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:11:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-15 21:11:36,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:36,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126208971] [2022-10-15 21:11:36,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126208971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:36,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:36,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:11:36,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649067422] [2022-10-15 21:11:36,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:36,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:36,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:36,998 INFO L87 Difference]: Start difference. First operand has 3964 states, 3171 states have (on average 1.56638284452854) internal successors, (4967), 3273 states have internal predecessors, (4967), 600 states have call successors, (600), 113 states have call predecessors, (600), 112 states have return successors, (591), 590 states have call predecessors, (591), 591 states have call successors, (591) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-15 21:11:49,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []