./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:42,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:42,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:42,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:42,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:42,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:42,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:42,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:42,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:42,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:42,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:42,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:42,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:42,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:42,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:42,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:42,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:43,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:43,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:43,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:43,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:43,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:43,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:43,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:43,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:43,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:43,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:43,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:43,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:43,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:43,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:43,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:43,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:43,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:43,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:43,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:43,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:43,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:43,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:43,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:43,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:43,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:43,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:43,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:43,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:43,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:43,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:43,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:43,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:43,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:43,038 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:43,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:43,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:43,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:43,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:43,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:43,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:43,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:43,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:43,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:43,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:43,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:43,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:43,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:43,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:43,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:43,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:43,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:43,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-12-15 12:33:43,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:43,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:43,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:43,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:43,247 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:43,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-15 12:33:43,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5141c2/32b43d9c61174b289f046190473664ee/FLAG6ca1612fb [2021-12-15 12:33:43,959 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:43,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-15 12:33:44,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5141c2/32b43d9c61174b289f046190473664ee/FLAG6ca1612fb [2021-12-15 12:33:44,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5141c2/32b43d9c61174b289f046190473664ee [2021-12-15 12:33:44,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:44,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:44,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:44,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:44,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:44,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:44" (1/1) ... [2021-12-15 12:33:44,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b39aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:44, skipping insertion in model container [2021-12-15 12:33:44,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:44" (1/1) ... [2021-12-15 12:33:44,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:44,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:46,218 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-15 12:33:46,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:46,291 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:46,668 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-15 12:33:46,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:46,875 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:46,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46 WrapperNode [2021-12-15 12:33:46,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:46,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:46,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:46,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:46,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,179 INFO L137 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2021-12-15 12:33:47,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:47,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:47,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:47,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:47,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:47,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:47,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:47,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:47,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:46" (1/1) ... [2021-12-15 12:33:47,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:47,479 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) [2021-12-15 12:33:47,491 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 [2021-12-15 12:33:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-15 12:33:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-15 12:33:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 12:33:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 12:33:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 12:33:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 12:33:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-15 12:33:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-15 12:33:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-15 12:33:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-15 12:33:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:33:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:33:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-15 12:33:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-15 12:33:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-15 12:33:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-15 12:33:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-15 12:33:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-15 12:33:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:33:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:33:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:33:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:33:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:33:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:33:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-15 12:33:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-15 12:33:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:33:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:33:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-15 12:33:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-15 12:33:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-15 12:33:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-15 12:33:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-15 12:33:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-15 12:33:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-15 12:33:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-15 12:33:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-15 12:33:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-15 12:33:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-15 12:33:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-15 12:33:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:33:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:33:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-15 12:33:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-15 12:33:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-15 12:33:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-15 12:33:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-15 12:33:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-15 12:33:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 12:33:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 12:33:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:33:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:33:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-15 12:33:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-15 12:33:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:33:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:33:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-15 12:33:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-15 12:33:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:33:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:33:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:33:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:33:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-15 12:33:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-15 12:33:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-15 12:33:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-15 12:33:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:33:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-15 12:33:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-15 12:33:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-15 12:33:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-15 12:33:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 12:33:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 12:33:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-12-15 12:33:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-12-15 12:33:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:33:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:33:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-15 12:33:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-15 12:33:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:33:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-15 12:33:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-15 12:33:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-15 12:33:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-15 12:33:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-15 12:33:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-15 12:33:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:33:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:33:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:33:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:33:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 12:33:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 12:33:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-15 12:33:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-15 12:33:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 12:33:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 12:33:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-15 12:33:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-15 12:33:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 12:33:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 12:33:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-15 12:33:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-15 12:33:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-15 12:33:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-15 12:33:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-15 12:33:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-15 12:33:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-15 12:33:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-15 12:33:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:33:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:33:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-15 12:33:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-15 12:33:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-15 12:33:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-15 12:33:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-15 12:33:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-15 12:33:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-15 12:33:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 12:33:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-15 12:33:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-15 12:33:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-15 12:33:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-15 12:33:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-15 12:33:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-15 12:33:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:33:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:33:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-15 12:33:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-15 12:33:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:33:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:33:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-12-15 12:33:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-12-15 12:33:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-15 12:33:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-15 12:33:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-15 12:33:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-15 12:33:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:33:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:33:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-15 12:33:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-15 12:33:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:33:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:33:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-15 12:33:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-15 12:33:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:33:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:33:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-15 12:33:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-15 12:33:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-15 12:33:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-15 12:33:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:33:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-15 12:33:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-15 12:33:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-15 12:33:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-15 12:33:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-15 12:33:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:48,228 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:48,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:48,417 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:48,437 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 12:33:48,437 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 12:33:48,516 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:33:48,516 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:33:50,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:33:50,890 INFO L158 Benchmark]: Toolchain (without parser) took 6565.04ms. Allocated memory was 107.0MB in the beginning and 274.7MB in the end (delta: 167.8MB). Free memory was 59.6MB in the beginning and 109.9MB in the end (delta: -50.3MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:50,891 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:50,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2549.38ms. Allocated memory was 107.0MB in the beginning and 274.7MB in the end (delta: 167.8MB). Free memory was 59.4MB in the beginning and 196.2MB in the end (delta: -136.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:50,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.85ms. Allocated memory is still 274.7MB. Free memory was 196.2MB in the beginning and 146.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 12:33:50,893 INFO L158 Benchmark]: Boogie Preprocessor took 277.89ms. Allocated memory is still 274.7MB. Free memory was 146.9MB in the beginning and 95.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:50,893 INFO L158 Benchmark]: RCFGBuilder took 3430.64ms. Allocated memory is still 274.7MB. Free memory was 95.5MB in the beginning and 109.9MB in the end (delta: -14.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:50,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2549.38ms. Allocated memory was 107.0MB in the beginning and 274.7MB in the end (delta: 167.8MB). Free memory was 59.4MB in the beginning and 196.2MB in the end (delta: -136.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 301.85ms. Allocated memory is still 274.7MB. Free memory was 196.2MB in the beginning and 146.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 277.89ms. Allocated memory is still 274.7MB. Free memory was 146.9MB in the beginning and 95.5MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3430.64ms. Allocated memory is still 274.7MB. Free memory was 95.5MB in the beginning and 109.9MB in the end (delta: -14.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:50,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:52,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:52,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:52,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:52,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:52,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:52,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:52,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:52,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:52,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:52,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:52,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:52,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:52,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:52,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:52,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:52,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:52,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:52,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:52,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:52,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:52,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:52,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:52,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:52,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:52,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:52,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:52,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:52,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:52,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:52,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:52,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:52,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:52,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:52,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:52,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:52,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:52,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:52,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:52,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:52,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:52,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:52,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:52,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:52,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:52,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:52,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:52,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:52,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:52,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:52,816 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:52,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:52,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:52,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:52,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:52,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:52,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:52,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:52,826 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:52,826 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:52,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:52,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:52,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:52,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:52,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:52,828 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-12-15 12:33:53,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:53,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:53,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:53,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:53,116 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:53,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-15 12:33:53,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08dc822a8/e66c7c9d24564b199d93b5e31c4055a8/FLAG16da56f7e [2021-12-15 12:33:53,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:53,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-12-15 12:33:53,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08dc822a8/e66c7c9d24564b199d93b5e31c4055a8/FLAG16da56f7e [2021-12-15 12:33:54,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08dc822a8/e66c7c9d24564b199d93b5e31c4055a8 [2021-12-15 12:33:54,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:54,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:54,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:54,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:54,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:54,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:54" (1/1) ... [2021-12-15 12:33:54,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e68ff73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:54, skipping insertion in model container [2021-12-15 12:33:54,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:54" (1/1) ... [2021-12-15 12:33:54,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:54,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:56,419 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-15 12:33:56,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:56,516 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:56,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:56,842 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-15 12:33:56,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:56,864 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:57,253 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-12-15 12:33:57,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:57,382 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:57,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57 WrapperNode [2021-12-15 12:33:57,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:57,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:57,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:57,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:57,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,680 INFO L137 Inliner]: procedures = 358, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8171 [2021-12-15 12:33:57,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:57,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:57,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:57,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:57,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:57,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:57,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:57,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:57,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:57" (1/1) ... [2021-12-15 12:33:57,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:57,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:57,932 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) [2021-12-15 12:33:57,988 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 [2021-12-15 12:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-12-15 12:33:57,996 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-12-15 12:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:33:57,996 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-15 12:33:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-15 12:33:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:33:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:33:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 12:33:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 12:33:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-12-15 12:33:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-12-15 12:33:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-12-15 12:33:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-12-15 12:33:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 12:33:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 12:33:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-15 12:33:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-15 12:33:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-12-15 12:33:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-12-15 12:33:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-15 12:33:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-15 12:33:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 12:33:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 12:33:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:33:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:33:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:33:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:33:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-12-15 12:33:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-12-15 12:33:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:33:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:33:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-12-15 12:33:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-12-15 12:33:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-15 12:33:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-15 12:33:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-15 12:33:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-15 12:33:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:33:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:33:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-12-15 12:33:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-12-15 12:33:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:33:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-12-15 12:33:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-12-15 12:33:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-12-15 12:33:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-12-15 12:33:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-12-15 12:33:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-12-15 12:33:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:33:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:33:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:33:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:33:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-12-15 12:33:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-12-15 12:33:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-12-15 12:33:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-12-15 12:33:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:33:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:33:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-12-15 12:33:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-12-15 12:33:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-12-15 12:33:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-12-15 12:33:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:33:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-12-15 12:33:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-12-15 12:33:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:33:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:33:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:33:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-12-15 12:33:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-12-15 12:33:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:33:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:33:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-12-15 12:33:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-12-15 12:33:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:33:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:33:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:33:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:33:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-12-15 12:33:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-12-15 12:33:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-12-15 12:33:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-12-15 12:33:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-12-15 12:33:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-12-15 12:33:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-12-15 12:33:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-12-15 12:33:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 12:33:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 12:33:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-12-15 12:33:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-12-15 12:33:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 12:33:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 12:33:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-12-15 12:33:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-12-15 12:33:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-12-15 12:33:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-12-15 12:33:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-12-15 12:33:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-12-15 12:33:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-12-15 12:33:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-12-15 12:33:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:33:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:33:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 12:33:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 12:33:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-15 12:33:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-15 12:33:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-12-15 12:33:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-12-15 12:33:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-15 12:33:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-15 12:33:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:33:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:33:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-12-15 12:33:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-12-15 12:33:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 12:33:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 12:33:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:33:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:33:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-12-15 12:33:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-12-15 12:33:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-12-15 12:33:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-12-15 12:33:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-12-15 12:33:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-12-15 12:33:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-15 12:33:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-15 12:33:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:33:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:33:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:33:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:33:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:33:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-12-15 12:33:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-12-15 12:33:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:33:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-12-15 12:33:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-12-15 12:33:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-12-15 12:33:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-12-15 12:33:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-12-15 12:33:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-12-15 12:33:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-12-15 12:33:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-12-15 12:33:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 12:33:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 12:33:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-12-15 12:33:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-12-15 12:33:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-12-15 12:33:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:33:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:33:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:33:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-12-15 12:33:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-12-15 12:33:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:33:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:33:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-12-15 12:33:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-12-15 12:33:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-15 12:33:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-15 12:33:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-12-15 12:33:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-12-15 12:33:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-12-15 12:33:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-12-15 12:33:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-12-15 12:33:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-12-15 12:33:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:33:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:33:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-12-15 12:33:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-12-15 12:33:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:33:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:33:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-12-15 12:33:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-12-15 12:33:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:33:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:33:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-12-15 12:33:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-12-15 12:33:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-12-15 12:33:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-12-15 12:33:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:33:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:33:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:33:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-12-15 12:33:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-12-15 12:33:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-12-15 12:33:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-12-15 12:33:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-12-15 12:33:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-12-15 12:33:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-12-15 12:33:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-12-15 12:33:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:58,790 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:58,793 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:59,129 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-12-15 12:33:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-12-15 12:34:01,291 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-15 12:34:01,291 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-15 12:34:02,494 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:02,498 INFO L158 Benchmark]: Toolchain (without parser) took 8093.07ms. Allocated memory was 60.8MB in the beginning and 358.6MB in the end (delta: 297.8MB). Free memory was 35.5MB in the beginning and 166.2MB in the end (delta: -130.7MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:02,498 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:02,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2977.91ms. Allocated memory was 60.8MB in the beginning and 239.1MB in the end (delta: 178.3MB). Free memory was 35.3MB in the beginning and 88.5MB in the end (delta: -53.2MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:02,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 297.29ms. Allocated memory was 239.1MB in the beginning and 358.6MB in the end (delta: 119.5MB). Free memory was 88.5MB in the beginning and 247.7MB in the end (delta: -159.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:02,499 INFO L158 Benchmark]: Boogie Preprocessor took 228.97ms. Allocated memory is still 358.6MB. Free memory was 247.7MB in the beginning and 195.3MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:02,500 INFO L158 Benchmark]: RCFGBuilder took 4585.77ms. Allocated memory is still 358.6MB. Free memory was 195.3MB in the beginning and 166.2MB in the end (delta: 29.1MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2021-12-15 12:34:02,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2977.91ms. Allocated memory was 60.8MB in the beginning and 239.1MB in the end (delta: 178.3MB). Free memory was 35.3MB in the beginning and 88.5MB in the end (delta: -53.2MB). Peak memory consumption was 134.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 297.29ms. Allocated memory was 239.1MB in the beginning and 358.6MB in the end (delta: 119.5MB). Free memory was 88.5MB in the beginning and 247.7MB in the end (delta: -159.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.97ms. Allocated memory is still 358.6MB. Free memory was 247.7MB in the beginning and 195.3MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4585.77ms. Allocated memory is still 358.6MB. Free memory was 195.3MB in the beginning and 166.2MB in the end (delta: 29.1MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:34:02,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable