./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:05:47,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:05:47,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:05:47,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:05:47,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:05:47,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:05:47,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:05:47,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:05:47,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:05:47,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:05:47,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:05:47,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:05:47,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:05:47,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:05:47,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:05:47,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:05:47,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:05:47,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:05:47,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:05:47,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:05:47,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:05:47,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:05:47,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:05:47,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:05:47,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:05:47,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:05:47,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:05:47,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:05:47,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:05:47,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:05:47,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:05:47,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:05:47,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:05:47,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:05:47,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:05:47,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:05:47,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:05:47,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:05:47,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:05:47,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:05:47,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:05:47,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:05:47,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:05:47,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:05:47,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:05:47,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:05:47,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:05:47,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:05:47,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:05:47,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:05:47,819 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:05:47,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:05:47,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:05:47,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:05:47,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:05:47,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:05:47,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:05:47,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:05:47,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:05:47,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:05:47,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:05:47,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:05:47,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:05:47,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59d24ca7e400c1a8a00858a94bd019ea47bce8fc36becb9b508e062f91a0ddc [2021-12-16 04:05:48,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:05:48,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:05:48,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:05:48,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:05:48,044 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:05:48,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-16 04:05:48,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec4ba36/931b7699a7b7412ca3ba3713d3de94d0/FLAGe01ba18b0 [2021-12-16 04:05:48,792 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:05:48,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-16 04:05:48,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec4ba36/931b7699a7b7412ca3ba3713d3de94d0/FLAGe01ba18b0 [2021-12-16 04:05:49,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dec4ba36/931b7699a7b7412ca3ba3713d3de94d0 [2021-12-16 04:05:49,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:05:49,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:05:49,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:05:49,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:05:49,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:05:49,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:05:49" (1/1) ... [2021-12-16 04:05:49,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fcb4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:49, skipping insertion in model container [2021-12-16 04:05:49,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:05:49" (1/1) ... [2021-12-16 04:05:49,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:05:49,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:05:49,709 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-16 04:05:49,710 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-12-16 04:05:50,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-12-16 04:05:51,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:05:51,310 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:05:51,360 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4050] [2021-12-16 04:05:51,361 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4051-4052] [2021-12-16 04:05:51,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i[126730,126743] [2021-12-16 04:05:51,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:05:51,732 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:05:51,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51 WrapperNode [2021-12-16 04:05:51,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:05:51,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:05:51,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:05:51,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:05:51,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:51,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,114 INFO L137 Inliner]: procedures = 349, calls = 4495, calls flagged for inlining = 165, calls inlined = 163, statements flattened = 7969 [2021-12-16 04:05:52,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:05:52,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:05:52,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:05:52,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:05:52,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:05:52,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:05:52,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:05:52,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:05:52,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (1/1) ... [2021-12-16 04:05:52,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:05:52,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:05:52,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:05:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_chars [2021-12-16 04:05:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_chars [2021-12-16 04:05:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure uart_poll_timeout [2021-12-16 04:05:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_poll_timeout [2021-12-16 04:05:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2021-12-16 04:05:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2021-12-16 04:05:52,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:05:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_chars [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_chars [2021-12-16 04:05:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out_sync [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out_sync [2021-12-16 04:05:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_pm [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_pm [2021-12-16 04:05:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_write [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_write [2021-12-16 04:05:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_read_divisor_id [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_read_divisor_id [2021-12-16 04:05:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:05:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_mctrl [2021-12-16 04:05:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_mctrl [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:05:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2021-12-16 04:05:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_port [2021-12-16 04:05:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_port [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:05:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:05:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_tx [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_tx [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure uart_unregister_driver [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_unregister_driver [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_single [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_single [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_device_control [2021-12-16 04:05:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_device_control [2021-12-16 04:05:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:05:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:05:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2021-12-16 04:05:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2021-12-16 04:05:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:05:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:05:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_start_tx [2021-12-16 04:05:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_start_tx [2021-12-16 04:05:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:05:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:05:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_16550a [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_16550a [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_tx_complete [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_tx_complete [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-16 04:05:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-16 04:05:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure check_name [2021-12-16 04:05:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure check_name [2021-12-16 04:05:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:05:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:05:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure serial_in [2021-12-16 04:05:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_in [2021-12-16 04:05:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_handle_irq [2021-12-16 04:05:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_handle_irq [2021-12-16 04:05:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:05:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure broken_efr [2021-12-16 04:05:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_efr [2021-12-16 04:05:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_submit [2021-12-16 04:05:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_submit [2021-12-16 04:05:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_modem_status [2021-12-16 04:05:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_modem_status [2021-12-16 04:05:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_startup [2021-12-16 04:05:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_startup [2021-12-16 04:05:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:05:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:05:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pnp_exit [2021-12-16 04:05:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pnp_exit [2021-12-16 04:05:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure uart_suspend_port [2021-12-16 04:05:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_suspend_port [2021-12-16 04:05:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:05:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_ldisc [2021-12-16 04:05:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_ldisc [2021-12-16 04:05:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure uart_add_one_port [2021-12-16 04:05:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_add_one_port [2021-12-16 04:05:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_port_size [2021-12-16 04:05:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_port_size [2021-12-16 04:05:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:05:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:05:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:05:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:05:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-16 04:05:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_dma [2021-12-16 04:05:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_dma [2021-12-16 04:05:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_put_poll_char [2021-12-16 04:05:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_put_poll_char [2021-12-16 04:05:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_dma [2021-12-16 04:05:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_dma [2021-12-16 04:05:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:05:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_tx_empty [2021-12-16 04:05:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_tx_empty [2021-12-16 04:05:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:05:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_out [2021-12-16 04:05:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_out [2021-12-16 04:05:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure disable_rsa [2021-12-16 04:05:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_rsa [2021-12-16 04:05:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_clear_fifos [2021-12-16 04:05:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_clear_fifos [2021-12-16 04:05:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure serial_out [2021-12-16 04:05:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_out [2021-12-16 04:05:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_write [2021-12-16 04:05:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_write [2021-12-16 04:05:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:05:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:05:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 04:05:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 04:05:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_poll_char [2021-12-16 04:05:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_poll_char [2021-12-16 04:05:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_probe [2021-12-16 04:05:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_probe [2021-12-16 04:05:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure serial_do_unlink [2021-12-16 04:05:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_do_unlink [2021-12-16 04:05:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_termios [2021-12-16 04:05:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_termios [2021-12-16 04:05:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:05:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:05:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_unregister_port [2021-12-16 04:05:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_unregister_port [2021-12-16 04:05:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_stop_rx [2021-12-16 04:05:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_stop_rx [2021-12-16 04:05:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:05:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:05:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_rsa_resource [2021-12-16 04:05:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_rsa_resource [2021-12-16 04:05:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:05:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:05:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_isa_init_ports [2021-12-16 04:05:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_isa_init_ports [2021-12-16 04:05:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:05:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:05:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-16 04:05:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-16 04:05:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure is_omap1_8250 [2021-12-16 04:05:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure is_omap1_8250 [2021-12-16 04:05:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-16 04:05:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-16 04:05:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_verify_port [2021-12-16 04:05:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_verify_port [2021-12-16 04:05:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:05:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:05:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-16 04:05:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-16 04:05:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-16 04:05:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-16 04:05:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure set_io_from_upio [2021-12-16 04:05:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure set_io_from_upio [2021-12-16 04:05:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-16 04:05:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-16 04:05:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 04:05:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 04:05:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure uart_remove_one_port [2021-12-16 04:05:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_remove_one_port [2021-12-16 04:05:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:05:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_suspend_port [2021-12-16 04:05:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_suspend_port [2021-12-16 04:05:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_dma [2021-12-16 04:05:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_dma [2021-12-16 04:05:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:05:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:05:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_get_mctrl [2021-12-16 04:05:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_get_mctrl [2021-12-16 04:05:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2021-12-16 04:05:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2021-12-16 04:05:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_rsa_resource [2021-12-16 04:05:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_rsa_resource [2021-12-16 04:05:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_slave_channel_compat [2021-12-16 04:05:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_slave_channel_compat [2021-12-16 04:05:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_std_resource [2021-12-16 04:05:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_std_resource [2021-12-16 04:05:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_tx_status [2021-12-16 04:05:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_tx_status [2021-12-16 04:05:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-16 04:05:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-16 04:05:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_in [2021-12-16 04:05:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_in [2021-12-16 04:05:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:05:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_type [2021-12-16 04:05:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_type [2021-12-16 04:05:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_register_8250_port [2021-12-16 04:05:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_register_8250_port [2021-12-16 04:05:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure uart_write_wakeup [2021-12-16 04:05:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_write_wakeup [2021-12-16 04:05:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:05:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:05:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:05:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:05:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure serial_icr_read [2021-12-16 04:05:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_icr_read [2021-12-16 04:05:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_break_ctl [2021-12-16 04:05:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_break_ctl [2021-12-16 04:05:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:05:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_pm [2021-12-16 04:05:52,580 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_pm [2021-12-16 04:05:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-16 04:05:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-16 04:05:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_do_set_termios [2021-12-16 04:05:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_do_set_termios [2021-12-16 04:05:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:05:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure uart_tx_stopped [2021-12-16 04:05:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_tx_stopped [2021-12-16 04:05:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_xmitr [2021-12-16 04:05:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_xmitr [2021-12-16 04:05:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig [2021-12-16 04:05:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig [2021-12-16 04:05:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure serial_dl_read [2021-12-16 04:05:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_dl_read [2021-12-16 04:05:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:05:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:05:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:05:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:05:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:05:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-16 04:05:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-16 04:05:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:05:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:05:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:05:52,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:05:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_remove [2021-12-16 04:05:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_remove [2021-12-16 04:05:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-16 04:05:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-16 04:05:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure uart_handle_break [2021-12-16 04:05:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure uart_handle_break [2021-12-16 04:05:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:05:52,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:05:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure serial_index [2021-12-16 04:05:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_index [2021-12-16 04:05:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_rx_complete [2021-12-16 04:05:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_rx_complete [2021-12-16 04:05:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-16 04:05:52,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-16 04:05:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure __stop_tx [2021-12-16 04:05:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __stop_tx [2021-12-16 04:05:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2021-12-16 04:05:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2021-12-16 04:05:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_config_port [2021-12-16 04:05:52,586 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_config_port [2021-12-16 04:05:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:05:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:05:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:05:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 04:05:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume [2021-12-16 04:05:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume [2021-12-16 04:05:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_shutdown [2021-12-16 04:05:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_shutdown [2021-12-16 04:05:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:05:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 04:05:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure autoconfig_has_efr [2021-12-16 04:05:52,588 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconfig_has_efr [2021-12-16 04:05:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_rsa [2021-12-16 04:05:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_rsa [2021-12-16 04:05:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure serial_pnp_resume [2021-12-16 04:05:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_pnp_resume [2021-12-16 04:05:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_request_std_resource [2021-12-16 04:05:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_request_std_resource [2021-12-16 04:05:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-16 04:05:52,589 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-16 04:05:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-16 04:05:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-16 04:05:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_rx_dma [2021-12-16 04:05:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_rx_dma [2021-12-16 04:05:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:05:52,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:05:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-16 04:05:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-16 04:05:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_resume_port [2021-12-16 04:05:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_resume_port [2021-12-16 04:05:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure ns16550a_goto_highspeed [2021-12-16 04:05:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ns16550a_goto_highspeed [2021-12-16 04:05:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure size_fifo [2021-12-16 04:05:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure size_fifo [2021-12-16 04:05:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2021-12-16 04:05:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2021-12-16 04:05:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_remove [2021-12-16 04:05:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_remove [2021-12-16 04:05:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:05:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_release_port [2021-12-16 04:05:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_release_port [2021-12-16 04:05:52,592 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-16 04:05:52,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-16 04:05:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_enable_ms [2021-12-16 04:05:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_enable_ms [2021-12-16 04:05:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-16 04:05:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-16 04:05:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2021-12-16 04:05:52,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2021-12-16 04:05:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_set_sleep [2021-12-16 04:05:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_set_sleep [2021-12-16 04:05:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure serial8250_init_fixed_type_port [2021-12-16 04:05:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure serial8250_init_fixed_type_port [2021-12-16 04:05:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:05:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:05:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-16 04:05:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-16 04:05:53,249 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:05:53,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:05:53,814 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:06:10,832 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:06:10,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:06:10,854 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:06:10,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:06:10 BoogieIcfgContainer [2021-12-16 04:06:10,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:06:10,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:06:10,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:06:10,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:06:10,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:05:49" (1/3) ... [2021-12-16 04:06:10,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0e0bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:06:10, skipping insertion in model container [2021-12-16 04:06:10,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:05:51" (2/3) ... [2021-12-16 04:06:10,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0e0bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:06:10, skipping insertion in model container [2021-12-16 04:06:10,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:06:10" (3/3) ... [2021-12-16 04:06:10,865 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--serial--8250--8250.ko-entry_point.cil.out.i [2021-12-16 04:06:10,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:06:10,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:06:10,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:06:10,943 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:06:10,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:06:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) [2021-12-16 04:06:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-16 04:06:11,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:06:11,038 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:06:11,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:06:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:06:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1178533725, now seen corresponding path program 1 times [2021-12-16 04:06:11,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:06:11,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593588455] [2021-12-16 04:06:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:06:11,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:06:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:06:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 04:06:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:06:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 04:06:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 04:06:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 04:06:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:06:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:06:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-16 04:06:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:06:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:06:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-16 04:06:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:06:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:06:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:06:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:06:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:06:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:06:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:06:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-16 04:06:12,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:06:12,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593588455] [2021-12-16 04:06:12,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593588455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:06:12,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:06:12,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:06:12,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513300347] [2021-12-16 04:06:12,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:06:12,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:06:12,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:06:12,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:06:12,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:06:12,164 INFO L87 Difference]: Start difference. First operand has 2606 states, 1770 states have (on average 1.3644067796610169) internal successors, (2415), 1862 states have internal predecessors, (2415), 687 states have call successors, (687), 148 states have call predecessors, (687), 147 states have return successors, (680), 652 states have call predecessors, (680), 680 states have call successors, (680) Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 04:06:16,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:19,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:22,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:24,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:26,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:28,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:30,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:35,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:37,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:45,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:47,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:49,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:06:57,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []