./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.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.graphml --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 c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:19:02,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:19:02,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:19:02,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:19:02,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:19:02,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:19:02,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:19:02,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:19:02,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:19:02,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:19:02,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:19:02,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:19:02,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:19:02,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:19:02,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:19:02,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:19:02,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:19:02,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:19:02,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:19:02,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:19:02,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:19:02,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:19:02,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:19:02,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:19:02,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:19:02,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:19:02,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:19:02,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:19:02,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:19:02,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:19:02,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:19:02,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:19:02,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:19:02,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:19:02,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:19:02,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:19:02,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:19:02,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:19:02,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:19:02,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:19:02,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:19:02,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:19:02,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:19:02,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:19:02,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:19:02,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:19:02,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:19:02,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:19:02,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:19:02,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:19:02,528 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:19:02,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:19:02,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:19:02,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:19:02,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:19:02,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:19:02,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:19:02,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:19:02,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:19:02,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:19:02,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:19:02,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:19:02,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:19:02,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:19:02,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:19:02,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:19:02,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:19:02,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:19:02,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:19:02,532 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:19:02,532 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:19:02,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:19:02,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:19:02,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2021-12-21 16:19:02,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:19:02,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:19:02,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:19:02,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:19:02,755 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:19:02,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-21 16:19:02,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b502ede26/029ddba8cefc4298a35645e3e2cb905f/FLAGe7b5ca982 [2021-12-21 16:19:03,467 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:19:03,468 INFO L160 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-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-21 16:19:03,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b502ede26/029ddba8cefc4298a35645e3e2cb905f/FLAGe7b5ca982 [2021-12-21 16:19:03,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b502ede26/029ddba8cefc4298a35645e3e2cb905f [2021-12-21 16:19:03,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:19:03,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:19:03,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:19:03,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:19:03,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:19:03,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:19:03" (1/1) ... [2021-12-21 16:19:03,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c389288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:03, skipping insertion in model container [2021-12-21 16:19:03,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:19:03" (1/1) ... [2021-12-21 16:19:03,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:19:03,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:19:04,368 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-21 16:19:04,369 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-12-21 16:19:04,528 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-12-21 16:19:05,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:19:05,482 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:19:05,582 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-21 16:19:05,583 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-12-21 16:19:05,592 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-12-21 16:19:05,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:19:05,908 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:19:05,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05 WrapperNode [2021-12-21 16:19:05,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:19:05,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:19:05,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:19:05,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:19:05,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:05,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,206 INFO L137 Inliner]: procedures = 349, calls = 4495, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 7969 [2021-12-21 16:19:06,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:19:06,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:19:06,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:19:06,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:19:06,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:19:06,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:19:06,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:19:06,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:19:06,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (1/1) ... [2021-12-21 16:19:06,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:19:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:19:06,458 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) [2021-12-21 16:19:06,475 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 [2021-12-21 16:19:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2021-12-21 16:19:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2021-12-21 16:19:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2021-12-21 16:19:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2021-12-21 16:19:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-12-21 16:19:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-12-21 16:19:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2021-12-21 16:19:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2021-12-21 16:19:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2021-12-21 16:19:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2021-12-21 16:19:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2021-12-21 16:19:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2021-12-21 16:19:06,511 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2021-12-21 16:19:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2021-12-21 16:19:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2021-12-21 16:19:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2021-12-21 16:19:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:19:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:19:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2021-12-21 16:19:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2021-12-21 16:19:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:19:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:19:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2021-12-21 16:19:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2021-12-21 16:19:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2021-12-21 16:19:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2021-12-21 16:19:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:19:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:19:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2021-12-21 16:19:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2021-12-21 16:19:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-12-21 16:19:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-12-21 16:19:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-21 16:19:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-21 16:19:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2021-12-21 16:19:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2021-12-21 16:19:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-12-21 16:19:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-12-21 16:19:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2021-12-21 16:19:06,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2021-12-21 16:19:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:19:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:19:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-12-21 16:19:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-12-21 16:19:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:19:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:19:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2021-12-21 16:19:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2021-12-21 16:19:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:19:06,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:19:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:19:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:19:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2021-12-21 16:19:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2021-12-21 16:19:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:19:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:19:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2021-12-21 16:19:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2021-12-21 16:19:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-21 16:19:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-21 16:19:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-21 16:19:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-21 16:19:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2021-12-21 16:19:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2021-12-21 16:19:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:19:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:19:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2021-12-21 16:19:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2021-12-21 16:19:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2021-12-21 16:19:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2021-12-21 16:19:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:19:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2021-12-21 16:19:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2021-12-21 16:19:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2021-12-21 16:19:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2021-12-21 16:19:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2021-12-21 16:19:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2021-12-21 16:19:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2021-12-21 16:19:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2021-12-21 16:19:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:19:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:19:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2021-12-21 16:19:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2021-12-21 16:19:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2021-12-21 16:19:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2021-12-21 16:19:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:19:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2021-12-21 16:19:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2021-12-21 16:19:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2021-12-21 16:19:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2021-12-21 16:19:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2021-12-21 16:19:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2021-12-21 16:19:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:19:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:19:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:19:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:19:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-21 16:19:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2021-12-21 16:19:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2021-12-21 16:19:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2021-12-21 16:19:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2021-12-21 16:19:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2021-12-21 16:19:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2021-12-21 16:19:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2021-12-21 16:19:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2021-12-21 16:19:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2021-12-21 16:19:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2021-12-21 16:19:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2021-12-21 16:19:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2021-12-21 16:19:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2021-12-21 16:19:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2021-12-21 16:19:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2021-12-21 16:19:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:19:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:19:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:19:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:19:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2021-12-21 16:19:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2021-12-21 16:19:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2021-12-21 16:19:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2021-12-21 16:19:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2021-12-21 16:19:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2021-12-21 16:19:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2021-12-21 16:19:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2021-12-21 16:19:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:19:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:19:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2021-12-21 16:19:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2021-12-21 16:19:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2021-12-21 16:19:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2021-12-21 16:19:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:19:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:19:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2021-12-21 16:19:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2021-12-21 16:19:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:19:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:19:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2021-12-21 16:19:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2021-12-21 16:19:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:19:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:19:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-21 16:19:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-21 16:19:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2021-12-21 16:19:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2021-12-21 16:19:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-21 16:19:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-21 16:19:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2021-12-21 16:19:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2021-12-21 16:19:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:19:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:19:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-21 16:19:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-21 16:19:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-21 16:19:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-21 16:19:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2021-12-21 16:19:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2021-12-21 16:19:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-21 16:19:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-21 16:19:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 16:19:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 16:19:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2021-12-21 16:19:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2021-12-21 16:19:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:19:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2021-12-21 16:19:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2021-12-21 16:19:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2021-12-21 16:19:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2021-12-21 16:19:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:19:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:19:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2021-12-21 16:19:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2021-12-21 16:19:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-12-21 16:19:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-12-21 16:19:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2021-12-21 16:19:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2021-12-21 16:19:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2021-12-21 16:19:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2021-12-21 16:19:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2021-12-21 16:19:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2021-12-21 16:19:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2021-12-21 16:19:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2021-12-21 16:19:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 16:19:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 16:19:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2021-12-21 16:19:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2021-12-21 16:19:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:19:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2021-12-21 16:19:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2021-12-21 16:19:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2021-12-21 16:19:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2021-12-21 16:19:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-12-21 16:19:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-12-21 16:19:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:19:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:19:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:19:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:19:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2021-12-21 16:19:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2021-12-21 16:19:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2021-12-21 16:19:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2021-12-21 16:19:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:19:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2021-12-21 16:19:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2021-12-21 16:19:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-21 16:19:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-21 16:19:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2021-12-21 16:19:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2021-12-21 16:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2021-12-21 16:19:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2021-12-21 16:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2021-12-21 16:19:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2021-12-21 16:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2021-12-21 16:19:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2021-12-21 16:19:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2021-12-21 16:19:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2021-12-21 16:19:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:19:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:19:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:19:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:19:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:19:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-21 16:19:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-21 16:19:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:19:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:19:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:19:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:19:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2021-12-21 16:19:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2021-12-21 16:19:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-21 16:19:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-21 16:19:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2021-12-21 16:19:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2021-12-21 16:19:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:19:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:19:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2021-12-21 16:19:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2021-12-21 16:19:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2021-12-21 16:19:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2021-12-21 16:19:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-21 16:19:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-21 16:19:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2021-12-21 16:19:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2021-12-21 16:19:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2021-12-21 16:19:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2021-12-21 16:19:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2021-12-21 16:19:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2021-12-21 16:19:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:19:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:19:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-21 16:19:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-21 16:19:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2021-12-21 16:19:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2021-12-21 16:19:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2021-12-21 16:19:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2021-12-21 16:19:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:19:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:19:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2021-12-21 16:19:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2021-12-21 16:19:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2021-12-21 16:19:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2021-12-21 16:19:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2021-12-21 16:19:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2021-12-21 16:19:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2021-12-21 16:19:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2021-12-21 16:19:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-21 16:19:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-21 16:19:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-21 16:19:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-21 16:19:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2021-12-21 16:19:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2021-12-21 16:19:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:19:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:19:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:19:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:19:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2021-12-21 16:19:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2021-12-21 16:19:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2021-12-21 16:19:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2021-12-21 16:19:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2021-12-21 16:19:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2021-12-21 16:19:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2021-12-21 16:19:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2021-12-21 16:19:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2021-12-21 16:19:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2021-12-21 16:19:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:19:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2021-12-21 16:19:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2021-12-21 16:19:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-21 16:19:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-21 16:19:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2021-12-21 16:19:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2021-12-21 16:19:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-21 16:19:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-21 16:19:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2021-12-21 16:19:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2021-12-21 16:19:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2021-12-21 16:19:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2021-12-21 16:19:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2021-12-21 16:19:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2021-12-21 16:19:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:19:06,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:19:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-21 16:19:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-21 16:19:07,181 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:19:07,183 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:19:07,732 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:19:25,116 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:19:25,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:19:25,129 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:19:25,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:19:25 BoogieIcfgContainer [2021-12-21 16:19:25,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:19:25,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:19:25,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:19:25,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:19:25,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:19:03" (1/3) ... [2021-12-21 16:19:25,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682be1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:19:25, skipping insertion in model container [2021-12-21 16:19:25,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:19:05" (2/3) ... [2021-12-21 16:19:25,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682be1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:19:25, skipping insertion in model container [2021-12-21 16:19:25,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:19:25" (3/3) ... [2021-12-21 16:19:25,137 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-21 16:19:25,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:19:25,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:19:25,174 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:19:25,179 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:19:25,179 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:19:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) [2021-12-21 16:19:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-21 16:19:25,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:19:25,251 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:19:25,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:19:25,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:19:25,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1178533725, now seen corresponding path program 1 times [2021-12-21 16:19:25,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:19:25,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86835374] [2021-12-21 16:19:25,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:19:25,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:19:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:19:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:19:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:19:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 16:19:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:19:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:19:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:19:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 16:19:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:19:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 16:19:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:19:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:19:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:19:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:19:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:19:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:19:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-21 16:19:26,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:19:26,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86835374] [2021-12-21 16:19:26,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86835374] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:19:26,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:19:26,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:19:26,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863174854] [2021-12-21 16:19:26,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:19:26,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:19:26,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:19:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:19:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:19:26,366 INFO L87 Difference]: Start difference. First operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-21 16:19:30,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:33,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:36,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:40,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:42,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:44,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:46,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:48,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:50,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:54,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:55,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:57,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:19:59,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:20:02,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:20:04,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:20:06,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:20:13,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []