/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:24:55,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:24:55,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:24:55,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:24:55,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:24:55,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:24:55,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:24:55,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:24:55,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:24:55,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:24:55,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:24:55,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:24:55,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:24:55,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:24:55,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:24:55,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:24:55,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:24:55,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:24:55,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:24:55,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:24:55,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:24:55,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:24:55,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:24:55,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:24:55,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:24:55,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:24:55,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:24:55,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:24:55,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:24:55,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:24:55,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:24:55,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:24:55,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:24:55,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:24:55,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:24:55,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:24:55,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:24:55,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:24:55,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:24:55,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:24:55,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:24:55,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:24:55,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:24:55,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:24:55,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:24:55,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:24:55,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:24:55,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:24:55,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:24:55,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:24:55,447 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:24:55,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:24:55,448 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:24:55,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:24:55,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:24:55,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:24:55,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:24:55,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:24:55,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:24:55,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:24:55,450 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:24:55,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:24:55,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:24:55,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:24:55,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:24:55,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:24:55,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:24:55,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:24:55,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:24:55,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:24:55,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:24:55,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:24:55,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:24:55,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:24:55,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:24:55,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:24:55,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:24:55,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:24:55,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:24:55,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:24:55,930 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:24:55,932 INFO L432 ainManager$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 [2022-10-16 13:24:56,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e35e701/d76e6ee242bc426ba8a2f435dffa9037/FLAG298d57c53 [2022-10-16 13:24:57,100 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:24:57,100 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 [2022-10-16 13:24:57,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e35e701/d76e6ee242bc426ba8a2f435dffa9037/FLAG298d57c53 [2022-10-16 13:24:57,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e35e701/d76e6ee242bc426ba8a2f435dffa9037 [2022-10-16 13:24:57,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:24:57,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:24:57,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:24:57,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:24:57,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:24:57,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:57" (1/1) ... [2022-10-16 13:24:57,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bfebde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:57, skipping insertion in model container [2022-10-16 13:24:57,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:57" (1/1) ... [2022-10-16 13:24:57,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:24:57,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:24:58,254 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-10-16 13:24:58,255 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-10-16 13:24:58,860 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] [2022-10-16 13:25:00,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:25:00,934 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:25:01,099 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2022-10-16 13:25:01,099 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2022-10-16 13:25:01,121 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] [2022-10-16 13:25:01,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:25:01,779 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:25:01,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01 WrapperNode [2022-10-16 13:25:01,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:25:01,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:25:01,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:25:01,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:25:01,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:01,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,342 INFO L138 Inliner]: procedures = 349, calls = 4496, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 8291 [2022-10-16 13:25:02,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:25:02,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:25:02,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:25:02,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:25:02,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:02,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:03,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:03,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:25:03,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:25:03,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:25:03,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:25:03,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (1/1) ... [2022-10-16 13:25:03,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:25:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:25:03,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:25:03,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:25:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2022-10-16 13:25:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2022-10-16 13:25:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2022-10-16 13:25:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2022-10-16 13:25:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2022-10-16 13:25:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2022-10-16 13:25:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2022-10-16 13:25:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2022-10-16 13:25:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2022-10-16 13:25:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2022-10-16 13:25:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2022-10-16 13:25:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2022-10-16 13:25:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2022-10-16 13:25:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2022-10-16 13:25:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2022-10-16 13:25:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2022-10-16 13:25:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:25:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:25:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2022-10-16 13:25:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2022-10-16 13:25:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:25:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:25:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-10-16 13:25:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-10-16 13:25:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2022-10-16 13:25:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2022-10-16 13:25:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:25:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:25:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2022-10-16 13:25:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2022-10-16 13:25:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2022-10-16 13:25:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2022-10-16 13:25:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-10-16 13:25:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-10-16 13:25:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2022-10-16 13:25:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2022-10-16 13:25:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-10-16 13:25:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-10-16 13:25:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2022-10-16 13:25:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2022-10-16 13:25:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 13:25:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 13:25:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-10-16 13:25:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-10-16 13:25:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:25:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:25:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2022-10-16 13:25:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2022-10-16 13:25:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 13:25:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 13:25:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:25:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:25:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2022-10-16 13:25:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2022-10-16 13:25:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:25:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:25:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2022-10-16 13:25:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2022-10-16 13:25:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 13:25:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-16 13:25:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-10-16 13:25:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-10-16 13:25:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2022-10-16 13:25:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2022-10-16 13:25:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:25:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:25:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2022-10-16 13:25:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2022-10-16 13:25:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2022-10-16 13:25:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2022-10-16 13:25:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:25:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2022-10-16 13:25:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2022-10-16 13:25:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2022-10-16 13:25:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2022-10-16 13:25:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2022-10-16 13:25:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2022-10-16 13:25:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2022-10-16 13:25:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2022-10-16 13:25:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:25:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:25:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2022-10-16 13:25:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2022-10-16 13:25:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2022-10-16 13:25:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2022-10-16 13:25:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:25:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2022-10-16 13:25:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2022-10-16 13:25:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2022-10-16 13:25:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2022-10-16 13:25:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2022-10-16 13:25:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2022-10-16 13:25:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-16 13:25:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-16 13:25:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:25:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:25:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-10-16 13:25:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2022-10-16 13:25:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2022-10-16 13:25:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2022-10-16 13:25:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2022-10-16 13:25:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2022-10-16 13:25:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2022-10-16 13:25:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:25:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2022-10-16 13:25:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2022-10-16 13:25:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:25:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2022-10-16 13:25:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2022-10-16 13:25:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2022-10-16 13:25:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2022-10-16 13:25:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2022-10-16 13:25:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2022-10-16 13:25:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2022-10-16 13:25:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2022-10-16 13:25:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2022-10-16 13:25:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2022-10-16 13:25:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 13:25:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 13:25:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 13:25:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 13:25:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2022-10-16 13:25:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2022-10-16 13:25:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2022-10-16 13:25:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2022-10-16 13:25:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2022-10-16 13:25:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2022-10-16 13:25:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2022-10-16 13:25:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2022-10-16 13:25:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 13:25:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 13:25:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2022-10-16 13:25:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2022-10-16 13:25:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2022-10-16 13:25:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2022-10-16 13:25:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:25:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:25:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2022-10-16 13:25:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2022-10-16 13:25:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 13:25:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 13:25:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2022-10-16 13:25:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2022-10-16 13:25:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:25:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:25:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 13:25:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-16 13:25:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2022-10-16 13:25:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2022-10-16 13:25:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-10-16 13:25:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-10-16 13:25:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2022-10-16 13:25:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2022-10-16 13:25:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 13:25:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 13:25:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-10-16 13:25:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-10-16 13:25:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-10-16 13:25:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-10-16 13:25:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2022-10-16 13:25:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2022-10-16 13:25:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-10-16 13:25:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-10-16 13:25:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-16 13:25:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-16 13:25:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2022-10-16 13:25:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2022-10-16 13:25:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:25:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2022-10-16 13:25:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2022-10-16 13:25:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2022-10-16 13:25:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2022-10-16 13:25:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 13:25:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 13:25:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2022-10-16 13:25:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2022-10-16 13:25:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2022-10-16 13:25:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2022-10-16 13:25:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2022-10-16 13:25:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2022-10-16 13:25:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2022-10-16 13:25:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2022-10-16 13:25:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2022-10-16 13:25:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2022-10-16 13:25:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2022-10-16 13:25:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2022-10-16 13:25:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-16 13:25:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-16 13:25:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2022-10-16 13:25:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2022-10-16 13:25:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:25:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2022-10-16 13:25:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2022-10-16 13:25:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2022-10-16 13:25:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2022-10-16 13:25:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2022-10-16 13:25:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2022-10-16 13:25:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 13:25:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 13:25:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:25:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:25:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2022-10-16 13:25:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2022-10-16 13:25:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2022-10-16 13:25:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2022-10-16 13:25:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:25:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2022-10-16 13:25:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2022-10-16 13:25:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-10-16 13:25:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-10-16 13:25:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2022-10-16 13:25:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2022-10-16 13:25:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:25:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2022-10-16 13:25:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2022-10-16 13:25:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2022-10-16 13:25:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2022-10-16 13:25:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2022-10-16 13:25:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2022-10-16 13:25:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2022-10-16 13:25:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2022-10-16 13:25:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 13:25:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 13:25:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:25:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-16 13:25:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-16 13:25:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-10-16 13:25:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-10-16 13:25:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:25:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:25:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 13:25:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 13:25:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2022-10-16 13:25:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2022-10-16 13:25:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-10-16 13:25:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-10-16 13:25:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2022-10-16 13:25:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2022-10-16 13:25:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:25:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:25:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2022-10-16 13:25:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2022-10-16 13:25:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2022-10-16 13:25:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2022-10-16 13:25:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-10-16 13:25:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-10-16 13:25:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2022-10-16 13:25:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2022-10-16 13:25:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2022-10-16 13:25:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2022-10-16 13:25:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2022-10-16 13:25:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2022-10-16 13:25:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:25:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:25:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-16 13:25:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-10-16 13:25:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2022-10-16 13:25:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2022-10-16 13:25:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2022-10-16 13:25:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2022-10-16 13:25:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:25:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:25:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2022-10-16 13:25:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2022-10-16 13:25:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2022-10-16 13:25:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2022-10-16 13:25:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2022-10-16 13:25:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2022-10-16 13:25:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2022-10-16 13:25:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2022-10-16 13:25:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-10-16 13:25:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-10-16 13:25:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-10-16 13:25:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-10-16 13:25:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2022-10-16 13:25:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2022-10-16 13:25:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 13:25:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 13:25:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-16 13:25:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-16 13:25:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2022-10-16 13:25:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2022-10-16 13:25:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2022-10-16 13:25:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2022-10-16 13:25:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2022-10-16 13:25:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2022-10-16 13:25:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2022-10-16 13:25:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2022-10-16 13:25:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2022-10-16 13:25:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2022-10-16 13:25:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:25:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2022-10-16 13:25:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2022-10-16 13:25:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-16 13:25:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-16 13:25:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2022-10-16 13:25:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2022-10-16 13:25:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-10-16 13:25:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-10-16 13:25:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2022-10-16 13:25:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2022-10-16 13:25:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2022-10-16 13:25:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2022-10-16 13:25:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2022-10-16 13:25:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2022-10-16 13:25:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:25:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:25:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-10-16 13:25:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-10-16 13:25:04,200 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:25:04,205 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:25:05,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:25:28,962 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:25:29,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:25:29,003 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:25:29,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:25:29 BoogieIcfgContainer [2022-10-16 13:25:29,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:25:29,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:25:29,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:25:29,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:25:29,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:57" (1/3) ... [2022-10-16 13:25:29,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417230a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:25:29, skipping insertion in model container [2022-10-16 13:25:29,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:25:01" (2/3) ... [2022-10-16 13:25:29,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417230a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:25:29, skipping insertion in model container [2022-10-16 13:25:29,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:25:29" (3/3) ... [2022-10-16 13:25:29,024 INFO L112 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 [2022-10-16 13:25:29,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:25:29,052 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 106 error locations. [2022-10-16 13:25:29,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:25:29,224 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18103867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:25:29,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 106 error locations. [2022-10-16 13:25:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 2972 states, 2031 states have (on average 1.4441161989167897) internal successors, (2933), 2228 states have internal predecessors, (2933), 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) [2022-10-16 13:25:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 13:25:29,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:25:29,259 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 13:25:29,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [serial8250_tx_charsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-16 13:25:29,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:25:29,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1589781797, now seen corresponding path program 1 times [2022-10-16 13:25:29,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:25:29,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815049542] [2022-10-16 13:25:29,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:25:29,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:25:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:25:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:25:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:25:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:25:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:25:30,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:25:30,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815049542] [2022-10-16 13:25:30,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815049542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:25:30,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:25:30,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:25:30,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475420853] [2022-10-16 13:25:30,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:25:30,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:25:30,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:25:30,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:25:30,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:25:30,815 INFO L87 Difference]: Start difference. First operand has 2972 states, 2031 states have (on average 1.4441161989167897) internal successors, (2933), 2228 states have internal predecessors, (2933), 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 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:25:36,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:39,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:42,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:49,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:57,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:02,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:04,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:07,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:09,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:26:16,100 INFO L93 Difference]: Finished difference Result 10395 states and 16510 transitions. [2022-10-16 13:26:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:26:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2022-10-16 13:26:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:26:16,223 INFO L225 Difference]: With dead ends: 10395 [2022-10-16 13:26:16,224 INFO L226 Difference]: Without dead ends: 7374 [2022-10-16 13:26:16,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:26:16,281 INFO L413 NwaCegarLoop]: 4820 mSDtfsCounter, 9022 mSDsluCounter, 6756 mSDsCounter, 0 mSdLazyCounter, 6391 mSolverCounterSat, 4795 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9506 SdHoareTripleChecker+Valid, 11576 SdHoareTripleChecker+Invalid, 11194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4795 IncrementalHoareTripleChecker+Valid, 6391 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:26:16,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9506 Valid, 11576 Invalid, 11194 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4795 Valid, 6391 Invalid, 8 Unknown, 0 Unchecked, 43.8s Time] [2022-10-16 13:26:16,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7374 states. [2022-10-16 13:26:16,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7374 to 5688. [2022-10-16 13:26:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5688 states, 3953 states have (on average 1.3786997217303314) internal successors, (5450), 4220 states have internal predecessors, (5450), 1340 states have call successors, (1340), 292 states have call predecessors, (1340), 295 states have return successors, (1352), 1284 states have call predecessors, (1352), 1340 states have call successors, (1352) [2022-10-16 13:26:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5688 states to 5688 states and 8142 transitions. [2022-10-16 13:26:17,085 INFO L78 Accepts]: Start accepts. Automaton has 5688 states and 8142 transitions. Word has length 38 [2022-10-16 13:26:17,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:26:17,086 INFO L495 AbstractCegarLoop]: Abstraction has 5688 states and 8142 transitions. [2022-10-16 13:26:17,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:26:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 5688 states and 8142 transitions. [2022-10-16 13:26:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 13:26:17,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:26:17,102 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 13:26:17,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:26:17,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~$Pointer$~X~int~X~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [serial8250_tx_charsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-16 13:26:17,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:26:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1197282216, now seen corresponding path program 1 times [2022-10-16 13:26:17,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:26:17,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361356069] [2022-10-16 13:26:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:17,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:26:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:26:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:26:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:26:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:26:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:26:21,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:26:21,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361356069] [2022-10-16 13:26:21,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361356069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:26:21,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:26:21,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 13:26:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313519353] [2022-10-16 13:26:21,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:26:21,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:26:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:26:21,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:26:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:26:21,787 INFO L87 Difference]: Start difference. First operand 5688 states and 8142 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:26:31,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:33,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:37,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:40,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:51,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:53,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:54,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:57,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:59,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:03,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:09,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:11,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:13,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:19,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:21,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:23,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:25,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:27,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:29,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:31,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:33,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:36,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:38,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:42,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:44,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:46,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:49,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:27:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:27:51,173 INFO L93 Difference]: Finished difference Result 14653 states and 21890 transitions. [2022-10-16 13:27:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:27:51,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2022-10-16 13:27:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:27:51,253 INFO L225 Difference]: With dead ends: 14653 [2022-10-16 13:27:51,253 INFO L226 Difference]: Without dead ends: 8976 [2022-10-16 13:27:51,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:27:51,285 INFO L413 NwaCegarLoop]: 4665 mSDtfsCounter, 8153 mSDsluCounter, 19658 mSDsCounter, 0 mSdLazyCounter, 15708 mSolverCounterSat, 4840 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8261 SdHoareTripleChecker+Valid, 24323 SdHoareTripleChecker+Invalid, 20573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4840 IncrementalHoareTripleChecker+Valid, 15708 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:27:51,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8261 Valid, 24323 Invalid, 20573 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4840 Valid, 15708 Invalid, 25 Unknown, 0 Unchecked, 87.8s Time] [2022-10-16 13:27:51,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2022-10-16 13:27:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 7193. [2022-10-16 13:27:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7193 states, 5060 states have (on average 1.38300395256917) internal successors, (6998), 5387 states have internal predecessors, (6998), 1623 states have call successors, (1623), 390 states have call predecessors, (1623), 410 states have return successors, (1900), 1541 states have call predecessors, (1900), 1623 states have call successors, (1900) [2022-10-16 13:27:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7193 states to 7193 states and 10521 transitions. [2022-10-16 13:27:51,889 INFO L78 Accepts]: Start accepts. Automaton has 7193 states and 10521 transitions. Word has length 46 [2022-10-16 13:27:51,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:27:51,890 INFO L495 AbstractCegarLoop]: Abstraction has 7193 states and 10521 transitions. [2022-10-16 13:27:51,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:27:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7193 states and 10521 transitions. [2022-10-16 13:27:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 13:27:51,894 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:27:51,894 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 13:27:51,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:27:51,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~X~int~X~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [serial8250_tx_charsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, serial8250_tx_charsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-16 13:27:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:27:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1023466521, now seen corresponding path program 1 times [2022-10-16 13:27:51,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:27:51,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843110773] [2022-10-16 13:27:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:27:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:27:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:27:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:27:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:27:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:27:55,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:27:55,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843110773] [2022-10-16 13:27:55,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843110773] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:27:55,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978727817] [2022-10-16 13:27:55,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:27:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:27:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:27:55,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:27:55,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:27:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:27:57,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 6374 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-16 13:27:57,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:27:57,565 INFO L356 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-10-16 13:27:57,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 16 [2022-10-16 13:27:57,594 INFO L356 Elim1Store]: treesize reduction 12, result has 42.9 percent of original size [2022-10-16 13:27:57,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 16 [2022-10-16 13:27:57,674 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-16 13:27:57,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-16 13:27:57,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-10-16 13:27:57,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-10-16 13:27:58,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-10-16 13:27:58,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-10-16 13:27:58,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-10-16 13:27:58,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-10-16 13:27:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:27:58,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:27:59,072 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_serial_port_out_~up___0.offset_4 Int) (v_ArrVal_97 (Array Int Int)) (v_ArrVal_98 (Array Int Int))) (let ((.cse0 (+ v_serial_port_out_~up___0.offset_4 60))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#ldvarg0~0#1.base| v_ArrVal_98) |c_~#serial8250_ports~0.base|) .cse0) |#funAddr~io_serial_out.base|)) (not (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#ldvarg0~0#1.base| v_ArrVal_97) |c_~#serial8250_ports~0.base|) .cse0) |#funAddr~io_serial_out.offset|))))) is different from false [2022-10-16 13:27:59,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978727817] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:27:59,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:27:59,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 23 [2022-10-16 13:27:59,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228710131] [2022-10-16 13:27:59,076 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:27:59,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 13:27:59,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:27:59,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 13:27:59,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=659, Unknown=7, NotChecked=52, Total=812 [2022-10-16 13:27:59,079 INFO L87 Difference]: Start difference. First operand 7193 states and 10521 transitions. Second operand has 23 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 19 states have internal predecessors, (59), 8 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:28:18,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:23,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:25,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:28,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:33,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:28:36,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []