./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 e19ca921 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-e19ca92 [2021-12-22 14:45:48,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:45:48,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:45:48,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:45:48,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:45:48,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:45:48,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:45:48,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:45:48,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:45:48,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:45:48,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:45:48,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:45:48,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:45:48,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:45:48,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:45:48,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:45:48,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:45:48,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:45:48,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:45:48,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:45:48,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:45:48,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:45:48,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:45:48,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:45:48,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:45:48,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:45:48,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:45:48,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:45:48,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:45:48,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:45:48,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:45:48,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:45:48,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:45:48,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:45:48,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:45:48,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:45:48,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:45:48,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:45:48,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:45:48,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:45:48,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:45:48,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:45:48,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:45:48,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:45:48,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:45:48,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:45:48,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:45:48,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:45:48,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:45:48,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:45:48,605 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:45:48,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:45:48,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:45:48,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:45:48,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:45:48,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:48,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:45:48,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:45:48,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:45:48,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:45:48,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:45:48,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:45:48,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:45:48,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2021-12-22 14:45:48,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:45:48,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:45:48,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:45:48,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:45:48,818 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:45:48,818 INFO L432 ainManager$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 [2021-12-22 14:45:48,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfb1ba17/6d2e1d9b65224fb8acab96af24f09bae/FLAG87163bac0 [2021-12-22 14:45:49,446 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:45:49,447 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 [2021-12-22 14:45:49,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfb1ba17/6d2e1d9b65224fb8acab96af24f09bae/FLAG87163bac0 [2021-12-22 14:45:49,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dfb1ba17/6d2e1d9b65224fb8acab96af24f09bae [2021-12-22 14:45:49,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:45:49,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:45:49,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:49,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:45:49,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:45:49,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:49" (1/1) ... [2021-12-22 14:45:49,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0e033f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:49, skipping insertion in model container [2021-12-22 14:45:49,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:45:49" (1/1) ... [2021-12-22 14:45:49,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:45:49,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:45:50,265 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-22 14:45:50,265 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] [2021-12-22 14:45:50,493 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] [2021-12-22 14:45:51,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:51,588 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:45:51,661 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-22 14:45:51,662 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] [2021-12-22 14:45:51,675 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] [2021-12-22 14:45:51,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:45:51,988 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:45:51,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51 WrapperNode [2021-12-22 14:45:51,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:45:51,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:51,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:45:51,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:45:51,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,303 INFO L137 Inliner]: procedures = 349, calls = 4495, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 7969 [2021-12-22 14:45:52,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:45:52,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:45:52,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:45:52,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:45:52,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:45:52,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:45:52,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:45:52,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:45:52,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (1/1) ... [2021-12-22 14:45:52,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:45:52,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:45:52,644 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) [2021-12-22 14:45:52,678 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 [2021-12-22 14:45:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2021-12-22 14:45:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2021-12-22 14:45:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2021-12-22 14:45:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2021-12-22 14:45:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-12-22 14:45:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-12-22 14:45:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2021-12-22 14:45:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2021-12-22 14:45:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2021-12-22 14:45:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2021-12-22 14:45:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2021-12-22 14:45:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2021-12-22 14:45:52,686 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2021-12-22 14:45:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2021-12-22 14:45:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2021-12-22 14:45:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2021-12-22 14:45:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:45:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:45:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2021-12-22 14:45:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2021-12-22 14:45:52,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:45:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:45:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2021-12-22 14:45:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2021-12-22 14:45:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2021-12-22 14:45:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2021-12-22 14:45:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:45:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:45:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2021-12-22 14:45:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2021-12-22 14:45:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-12-22 14:45:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-12-22 14:45:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-22 14:45:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-22 14:45:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2021-12-22 14:45:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2021-12-22 14:45:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-12-22 14:45:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-12-22 14:45:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2021-12-22 14:45:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2021-12-22 14:45:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:45:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:45:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-12-22 14:45:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-12-22 14:45:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:45:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:45:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2021-12-22 14:45:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2021-12-22 14:45:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:45:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:45:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:45:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:45:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2021-12-22 14:45:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2021-12-22 14:45:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:45:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:45:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2021-12-22 14:45:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2021-12-22 14:45:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:45:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:45:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-22 14:45:52,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-22 14:45:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2021-12-22 14:45:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2021-12-22 14:45:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:45:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:45:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2021-12-22 14:45:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2021-12-22 14:45:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2021-12-22 14:45:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2021-12-22 14:45:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:45:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2021-12-22 14:45:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2021-12-22 14:45:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2021-12-22 14:45:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2021-12-22 14:45:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2021-12-22 14:45:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2021-12-22 14:45:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2021-12-22 14:45:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2021-12-22 14:45:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2021-12-22 14:45:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2021-12-22 14:45:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2021-12-22 14:45:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2021-12-22 14:45:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:45:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2021-12-22 14:45:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2021-12-22 14:45:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2021-12-22 14:45:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2021-12-22 14:45:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2021-12-22 14:45:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2021-12-22 14:45:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:45:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:45:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:45:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:45:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-22 14:45:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2021-12-22 14:45:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2021-12-22 14:45:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2021-12-22 14:45:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2021-12-22 14:45:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2021-12-22 14:45:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2021-12-22 14:45:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:45:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2021-12-22 14:45:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2021-12-22 14:45:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:45:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2021-12-22 14:45:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2021-12-22 14:45:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2021-12-22 14:45:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2021-12-22 14:45:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2021-12-22 14:45:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2021-12-22 14:45:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2021-12-22 14:45:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2021-12-22 14:45:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2021-12-22 14:45:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2021-12-22 14:45:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:45:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:45:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 14:45:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 14:45:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2021-12-22 14:45:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2021-12-22 14:45:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2021-12-22 14:45:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2021-12-22 14:45:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2021-12-22 14:45:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2021-12-22 14:45:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2021-12-22 14:45:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2021-12-22 14:45:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:45:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:45:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2021-12-22 14:45:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2021-12-22 14:45:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2021-12-22 14:45:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2021-12-22 14:45:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:45:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:45:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2021-12-22 14:45:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:45:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2021-12-22 14:45:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:45:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:45:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2021-12-22 14:45:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2021-12-22 14:45:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-22 14:45:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-22 14:45:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2021-12-22 14:45:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2021-12-22 14:45:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:45:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:45:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-22 14:45:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-22 14:45:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-22 14:45:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-22 14:45:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2021-12-22 14:45:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2021-12-22 14:45:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-22 14:45:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-22 14:45:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 14:45:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 14:45:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2021-12-22 14:45:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2021-12-22 14:45:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:45:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2021-12-22 14:45:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2021-12-22 14:45:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:45:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2021-12-22 14:45:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-12-22 14:45:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2021-12-22 14:45:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2021-12-22 14:45:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2021-12-22 14:45:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2021-12-22 14:45:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2021-12-22 14:45:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2021-12-22 14:45:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2021-12-22 14:45:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2021-12-22 14:45:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 14:45:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 14:45:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2021-12-22 14:45:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2021-12-22 14:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2021-12-22 14:45:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2021-12-22 14:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2021-12-22 14:45:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2021-12-22 14:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-12-22 14:45:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-12-22 14:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2021-12-22 14:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2021-12-22 14:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2021-12-22 14:45:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2021-12-22 14:45:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2021-12-22 14:45:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2021-12-22 14:45:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:45:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-22 14:45:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-22 14:45:53,459 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:45:53,462 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:45:54,008 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:46:09,934 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:46:09,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:46:09,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:46:09,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:46:09 BoogieIcfgContainer [2021-12-22 14:46:09,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:46:09,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:46:09,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:46:09,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:46:09,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:45:49" (1/3) ... [2021-12-22 14:46:09,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e52a401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:46:09, skipping insertion in model container [2021-12-22 14:46:09,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:45:51" (2/3) ... [2021-12-22 14:46:09,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e52a401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:46:09, skipping insertion in model container [2021-12-22 14:46:09,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:46:09" (3/3) ... [2021-12-22 14:46:09,965 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 [2021-12-22 14:46:09,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:46:09,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:46:10,013 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:46:10,018 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 [2021-12-22 14:46:10,019 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:46:10,074 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) [2021-12-22 14:46:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 14:46:10,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:10,103 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] [2021-12-22 14:46:10,104 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:10,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:10,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1178533725, now seen corresponding path program 1 times [2021-12-22 14:46:10,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:10,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682474965] [2021-12-22 14:46:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:10,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:46:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:46:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:46:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:46:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-22 14:46:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:46:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:46:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:46:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 14:46:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 14:46:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:46:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-22 14:46:11,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:11,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682474965] [2021-12-22 14:46:11,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682474965] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:11,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:11,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:46:11,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460060909] [2021-12-22 14:46:11,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:11,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:46:11,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:11,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:46:11,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:46:11,300 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) [2021-12-22 14:46:15,505 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 [] [2021-12-22 14:46:17,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:22,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:25,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:27,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:29,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:33,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:35,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:37,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:39,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:41,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:47,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:49,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:51,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:54,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:56,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:46:58,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []