./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:51:24,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:51:24,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:51:24,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:51:24,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:51:24,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:51:24,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:51:24,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:51:24,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:51:24,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:51:24,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:51:24,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:51:24,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:51:24,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:51:24,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:51:24,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:51:24,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:51:24,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:51:24,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:51:24,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:51:24,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:51:24,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:51:24,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:51:24,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:51:24,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:51:24,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:51:24,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:51:24,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:51:24,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:51:24,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:51:24,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:51:24,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:51:24,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:51:24,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:51:24,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:51:24,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:51:24,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:51:24,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:51:24,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:51:24,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:51:24,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:51:24,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:51:24,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:51:24,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:51:24,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:51:24,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:51:24,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:51:24,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:51:24,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:51:24,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:51:24,153 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:51:24,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:51:24,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:51:24,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:51:24,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:51:24,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:51:24,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:51:24,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:51:24,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:24,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:51:24,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:51:24,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:51:24,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:51:24,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:51:24,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:51:24,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:51:24,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:51:24,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:51:24,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2021-12-14 17:51:24,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:51:24,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:51:24,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:51:24,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:51:24,382 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:51:24,383 INFO L432 ainManager$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 [2021-12-14 17:51:24,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0ad773c/4f9a8b7f298d41049a115e6762d19d05/FLAG655b11f50 [2021-12-14 17:51:25,079 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:51:25,079 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 [2021-12-14 17:51:25,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0ad773c/4f9a8b7f298d41049a115e6762d19d05/FLAG655b11f50 [2021-12-14 17:51:25,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0ad773c/4f9a8b7f298d41049a115e6762d19d05 [2021-12-14 17:51:25,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:51:25,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:51:25,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:25,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:51:25,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:51:25,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:25" (1/1) ... [2021-12-14 17:51:25,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441c8201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:25, skipping insertion in model container [2021-12-14 17:51:25,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:25" (1/1) ... [2021-12-14 17:51:25,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:51:25,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:51:25,909 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-14 17:51:25,910 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] [2021-12-14 17:51:26,243 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] [2021-12-14 17:51:27,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:27,309 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:51:27,368 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-14 17:51:27,370 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] [2021-12-14 17:51:27,378 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] [2021-12-14 17:51:27,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:51:27,669 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:51:27,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27 WrapperNode [2021-12-14 17:51:27,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:51:27,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:27,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:51:27,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:51:27,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:27,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:27,972 INFO L137 Inliner]: procedures = 349, calls = 4495, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 7969 [2021-12-14 17:51:27,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:51:27,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:51:27,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:51:27,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:51:27,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:27,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:51:28,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:51:28,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:51:28,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:51:28,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (1/1) ... [2021-12-14 17:51:28,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:51:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:51:28,346 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) [2021-12-14 17:51:28,353 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 [2021-12-14 17:51:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2021-12-14 17:51:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2021-12-14 17:51:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2021-12-14 17:51:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2021-12-14 17:51:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-12-14 17:51:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-12-14 17:51:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2021-12-14 17:51:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2021-12-14 17:51:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2021-12-14 17:51:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2021-12-14 17:51:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2021-12-14 17:51:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2021-12-14 17:51:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2021-12-14 17:51:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2021-12-14 17:51:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2021-12-14 17:51:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2021-12-14 17:51:28,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:51:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:51:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2021-12-14 17:51:28,385 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2021-12-14 17:51:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 17:51:28,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 17:51:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2021-12-14 17:51:28,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2021-12-14 17:51:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2021-12-14 17:51:28,385 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2021-12-14 17:51:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:51:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:51:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2021-12-14 17:51:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2021-12-14 17:51:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-12-14 17:51:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-12-14 17:51:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-14 17:51:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-14 17:51:28,386 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2021-12-14 17:51:28,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2021-12-14 17:51:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-12-14 17:51:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-12-14 17:51:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2021-12-14 17:51:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2021-12-14 17:51:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:51:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:51:28,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-12-14 17:51:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-12-14 17:51:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:51:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:51:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2021-12-14 17:51:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2021-12-14 17:51:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:51:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:51:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:51:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:51:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2021-12-14 17:51:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2021-12-14 17:51:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:51:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:51:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2021-12-14 17:51:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2021-12-14 17:51:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 17:51:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 17:51:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-14 17:51:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-14 17:51:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2021-12-14 17:51:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2021-12-14 17:51:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:51:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:51:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2021-12-14 17:51:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2021-12-14 17:51:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2021-12-14 17:51:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2021-12-14 17:51:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:51:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2021-12-14 17:51:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2021-12-14 17:51:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2021-12-14 17:51:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2021-12-14 17:51:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2021-12-14 17:51:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2021-12-14 17:51:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2021-12-14 17:51:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2021-12-14 17:51:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2021-12-14 17:51:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2021-12-14 17:51:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2021-12-14 17:51:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2021-12-14 17:51:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:51:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2021-12-14 17:51:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2021-12-14 17:51:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2021-12-14 17:51:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2021-12-14 17:51:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2021-12-14 17:51:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2021-12-14 17:51:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 17:51:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 17:51:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:51:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:51:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-14 17:51:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2021-12-14 17:51:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2021-12-14 17:51:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2021-12-14 17:51:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2021-12-14 17:51:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2021-12-14 17:51:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2021-12-14 17:51:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:51:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2021-12-14 17:51:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2021-12-14 17:51:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:51:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2021-12-14 17:51:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2021-12-14 17:51:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2021-12-14 17:51:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2021-12-14 17:51:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2021-12-14 17:51:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2021-12-14 17:51:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2021-12-14 17:51:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2021-12-14 17:51:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2021-12-14 17:51:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2021-12-14 17:51:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:51:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:51:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 17:51:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 17:51:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2021-12-14 17:51:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2021-12-14 17:51:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2021-12-14 17:51:28,409 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2021-12-14 17:51:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2021-12-14 17:51:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2021-12-14 17:51:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2021-12-14 17:51:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2021-12-14 17:51:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:51:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:51:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2021-12-14 17:51:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2021-12-14 17:51:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2021-12-14 17:51:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2021-12-14 17:51:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:51:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:51:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2021-12-14 17:51:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2021-12-14 17:51:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:51:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:51:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2021-12-14 17:51:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2021-12-14 17:51:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:51:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:51:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:51:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 17:51:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2021-12-14 17:51:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2021-12-14 17:51:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-14 17:51:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-14 17:51:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2021-12-14 17:51:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2021-12-14 17:51:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:51:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-14 17:51:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-14 17:51:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2021-12-14 17:51:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-14 17:51:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 17:51:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 17:51:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2021-12-14 17:51:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2021-12-14 17:51:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:51:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2021-12-14 17:51:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2021-12-14 17:51:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2021-12-14 17:51:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2021-12-14 17:51:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:51:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:51:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2021-12-14 17:51:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2021-12-14 17:51:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-12-14 17:51:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-12-14 17:51:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2021-12-14 17:51:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2021-12-14 17:51:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2021-12-14 17:51:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2021-12-14 17:51:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2021-12-14 17:51:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2021-12-14 17:51:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2021-12-14 17:51:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 17:51:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2021-12-14 17:51:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2021-12-14 17:51:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2021-12-14 17:51:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2021-12-14 17:51:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-12-14 17:51:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-12-14 17:51:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 17:51:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 17:51:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:51:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:51:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2021-12-14 17:51:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2021-12-14 17:51:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2021-12-14 17:51:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2021-12-14 17:51:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2021-12-14 17:51:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-14 17:51:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2021-12-14 17:51:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2021-12-14 17:51:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2021-12-14 17:51:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2021-12-14 17:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2021-12-14 17:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2021-12-14 17:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2021-12-14 17:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2021-12-14 17:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2021-12-14 17:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 17:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-14 17:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 17:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2021-12-14 17:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-14 17:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-14 17:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2021-12-14 17:51:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2021-12-14 17:51:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:51:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:51:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2021-12-14 17:51:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2021-12-14 17:51:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2021-12-14 17:51:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2021-12-14 17:51:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-14 17:51:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-14 17:51:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2021-12-14 17:51:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2021-12-14 17:51:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2021-12-14 17:51:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2021-12-14 17:51:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2021-12-14 17:51:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2021-12-14 17:51:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:51:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:51:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 17:51:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 17:51:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2021-12-14 17:51:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2021-12-14 17:51:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2021-12-14 17:51:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2021-12-14 17:51:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:51:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2021-12-14 17:51:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2021-12-14 17:51:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2021-12-14 17:51:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2021-12-14 17:51:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2021-12-14 17:51:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2021-12-14 17:51:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2021-12-14 17:51:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2021-12-14 17:51:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-14 17:51:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-14 17:51:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-14 17:51:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-14 17:51:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2021-12-14 17:51:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2021-12-14 17:51:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:51:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:51:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 17:51:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2021-12-14 17:51:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2021-12-14 17:51:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2021-12-14 17:51:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2021-12-14 17:51:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2021-12-14 17:51:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2021-12-14 17:51:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 17:51:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2021-12-14 17:51:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-14 17:51:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-14 17:51:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2021-12-14 17:51:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2021-12-14 17:51:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2021-12-14 17:51:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2021-12-14 17:51:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2021-12-14 17:51:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2021-12-14 17:51:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:51:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:51:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-14 17:51:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-14 17:51:29,162 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:51:29,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:51:29,725 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:51:44,312 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:51:44,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:51:44,335 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:51:44,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:44 BoogieIcfgContainer [2021-12-14 17:51:44,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:51:44,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:51:44,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:51:44,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:51:44,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:51:25" (1/3) ... [2021-12-14 17:51:44,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:44, skipping insertion in model container [2021-12-14 17:51:44,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:27" (2/3) ... [2021-12-14 17:51:44,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:51:44, skipping insertion in model container [2021-12-14 17:51:44,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:44" (3/3) ... [2021-12-14 17:51:44,345 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 [2021-12-14 17:51:44,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:51:44,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:51:44,398 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:51:44,403 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 [2021-12-14 17:51:44,403 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:51:44,458 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) [2021-12-14 17:51:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-14 17:51:44,488 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:51:44,489 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] [2021-12-14 17:51:44,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:51:44,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:51:44,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1178533725, now seen corresponding path program 1 times [2021-12-14 17:51:44,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:51:44,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812251586] [2021-12-14 17:51:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:51:44,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:51:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:51:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:51:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:51:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-14 17:51:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 17:51:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:51:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:51:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-14 17:51:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:51:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 17:51:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:51:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 17:51:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:51:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 17:51:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:51:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:51:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-14 17:51:45,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:51:45,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812251586] [2021-12-14 17:51:45,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812251586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:51:45,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:51:45,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:51:45,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277708406] [2021-12-14 17:51:45,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:51:45,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:51:45,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:51:45,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:51:45,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:51:45,634 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) [2021-12-14 17:51:49,734 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 [] [2021-12-14 17:51:52,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:57,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:51:59,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:00,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:02,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:04,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:08,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:09,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:11,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:14,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:17,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:23,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:25,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:27,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:29,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:52:31,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []