./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:45:01,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:45:01,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:45:01,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:45:01,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:45:01,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:45:01,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:45:01,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:45:01,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:45:01,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:45:01,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:45:01,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:45:01,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:45:01,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:45:01,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:45:01,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:45:01,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:45:01,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:45:01,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:45:01,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:45:01,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:45:01,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:45:01,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:45:01,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:45:01,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:45:01,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:45:01,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:45:01,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:45:01,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:45:01,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:45:01,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:45:01,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:45:01,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:45:01,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:45:01,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:45:01,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:45:01,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:45:01,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:45:01,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:45:01,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:45:01,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:45:01,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:45:01,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:45:01,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:45:01,533 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:45:01,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:45:01,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:45:01,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:45:01,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:45:01,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:45:01,535 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:45:01,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:45:01,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:45:01,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:45:01,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:45:01,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:45:01,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:45:01,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:45:01,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:45:01,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:45:01,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:45:01,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:45:01,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-12-15 13:45:01,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:45:01,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:45:01,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:45:01,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:45:01,956 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:45:01,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:45:02,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f1eaca/66bc310676e84914a71391e30e778954/FLAG2442456f3 [2021-12-15 13:45:03,069 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:45:03,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:45:03,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f1eaca/66bc310676e84914a71391e30e778954/FLAG2442456f3 [2021-12-15 13:45:03,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346f1eaca/66bc310676e84914a71391e30e778954 [2021-12-15 13:45:03,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:45:03,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:45:03,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:45:03,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:45:03,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:45:03,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:03" (1/1) ... [2021-12-15 13:45:03,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c355c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:03, skipping insertion in model container [2021-12-15 13:45:03,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:03" (1/1) ... [2021-12-15 13:45:03,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:45:03,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:45:06,038 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-12-15 13:45:06,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:06,123 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:45:06,491 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-12-15 13:45:06,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:06,621 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:45:06,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06 WrapperNode [2021-12-15 13:45:06,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:45:06,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:06,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:45:06,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:45:06,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:06,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:06,997 INFO L137 Inliner]: procedures = 273, calls = 4073, calls flagged for inlining = 105, calls inlined = 96, statements flattened = 8857 [2021-12-15 13:45:06,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:06,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:45:06,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:45:07,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:45:07,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:45:07,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:45:07,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:45:07,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:45:07,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:06" (1/1) ... [2021-12-15 13:45:07,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:45:07,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:45:07,525 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 13:45:07,548 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 13:45:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-15 13:45:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-15 13:45:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-15 13:45:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-15 13:45:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 13:45:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 13:45:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:45:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-15 13:45:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:45:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:45:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-15 13:45:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-15 13:45:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:45:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:45:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-15 13:45:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-15 13:45:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-15 13:45:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-15 13:45:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:45:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:45:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-15 13:45:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-15 13:45:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-15 13:45:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-15 13:45:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-15 13:45:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-15 13:45:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-15 13:45:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-15 13:45:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:45:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:45:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:45:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:45:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:45:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:45:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-15 13:45:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-15 13:45:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-15 13:45:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-15 13:45:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:45:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:45:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-15 13:45:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-15 13:45:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:45:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:45:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-15 13:45:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-15 13:45:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-15 13:45:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-15 13:45:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:45:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:45:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2021-12-15 13:45:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2021-12-15 13:45:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-15 13:45:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-15 13:45:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-15 13:45:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-15 13:45:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-15 13:45:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-15 13:45:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-15 13:45:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-15 13:45:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:45:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-15 13:45:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-15 13:45:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:45:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-15 13:45:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-15 13:45:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:45:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:45:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-15 13:45:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-15 13:45:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:45:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-15 13:45:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-15 13:45:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-15 13:45:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-15 13:45:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:45:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:45:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-15 13:45:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-15 13:45:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:45:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:45:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-15 13:45:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-15 13:45:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:45:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-15 13:45:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-15 13:45:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:45:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:45:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:45:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:45:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:45:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:45:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:45:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-15 13:45:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-15 13:45:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:45:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:45:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-15 13:45:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-15 13:45:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-15 13:45:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-15 13:45:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:45:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:45:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:45:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:45:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:45:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-15 13:45:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-15 13:45:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-15 13:45:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-15 13:45:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:45:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-15 13:45:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-15 13:45:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:45:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-15 13:45:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-15 13:45:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-15 13:45:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-15 13:45:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:45:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:45:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-15 13:45:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-15 13:45:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-15 13:45:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-15 13:45:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-15 13:45:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-15 13:45:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-15 13:45:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-15 13:45:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:45:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:45:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-15 13:45:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-15 13:45:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-15 13:45:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-15 13:45:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:45:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:45:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:45:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-15 13:45:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-15 13:45:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-15 13:45:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-15 13:45:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-15 13:45:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-15 13:45:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:45:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:45:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-15 13:45:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-15 13:45:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:45:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-15 13:45:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-15 13:45:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-15 13:45:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-15 13:45:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:45:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:45:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:45:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-15 13:45:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-15 13:45:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-15 13:45:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-15 13:45:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 13:45:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-15 13:45:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-15 13:45:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-15 13:45:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-15 13:45:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:45:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:45:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:45:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:45:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-15 13:45:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-15 13:45:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-15 13:45:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-15 13:45:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-15 13:45:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-15 13:45:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-15 13:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-15 13:45:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 13:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 13:45:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-15 13:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-15 13:45:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:45:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:45:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-15 13:45:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-15 13:45:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:45:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-15 13:45:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-15 13:45:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-15 13:45:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-15 13:45:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:45:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:45:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:45:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:45:08,501 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:45:08,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:45:08,551 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:45:08,556 INFO L158 Benchmark]: Toolchain (without parser) took 5013.91ms. Allocated memory was 98.6MB in the beginning and 478.2MB in the end (delta: 379.6MB). Free memory was 65.9MB in the beginning and 326.4MB in the end (delta: -260.5MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2021-12-15 13:45:08,557 INFO L158 Benchmark]: CDTParser took 5.55ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:45:08,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3077.25ms. Allocated memory was 98.6MB in the beginning and 239.1MB in the end (delta: 140.5MB). Free memory was 65.6MB in the beginning and 156.9MB in the end (delta: -91.3MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2021-12-15 13:45:08,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 375.68ms. Allocated memory is still 239.1MB. Free memory was 156.9MB in the beginning and 108.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 13:45:08,558 INFO L158 Benchmark]: Boogie Preprocessor took 485.89ms. Allocated memory is still 239.1MB. Free memory was 108.7MB in the beginning and 108.0MB in the end (delta: 708.5kB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-12-15 13:45:08,558 INFO L158 Benchmark]: RCFGBuilder took 1068.50ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 107.3MB in the beginning and 326.4MB in the end (delta: -219.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-15 13:45:08,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.55ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3077.25ms. Allocated memory was 98.6MB in the beginning and 239.1MB in the end (delta: 140.5MB). Free memory was 65.6MB in the beginning and 156.9MB in the end (delta: -91.3MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 375.68ms. Allocated memory is still 239.1MB. Free memory was 156.9MB in the beginning and 108.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 485.89ms. Allocated memory is still 239.1MB. Free memory was 108.7MB in the beginning and 108.0MB in the end (delta: 708.5kB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.50ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 107.3MB in the beginning and 326.4MB in the end (delta: -219.2MB). Peak memory consumption was 33.6MB. 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 13:45:08,607 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.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 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:45:10,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:45:10,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:45:10,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:45:10,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:45:10,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:45:10,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:45:10,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:45:10,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:45:10,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:45:10,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:45:10,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:45:10,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:45:10,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:45:10,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:45:10,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:45:10,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:45:10,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:45:10,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:45:10,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:45:10,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:45:10,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:45:10,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:45:10,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:45:10,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:45:10,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:45:10,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:45:10,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:45:10,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:45:10,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:45:10,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:45:10,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:45:10,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:45:10,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:45:10,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:45:10,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:45:10,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:45:10,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:45:10,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:45:10,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:45:10,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:45:10,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:45:10,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:45:10,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:45:10,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:45:10,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:45:10,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:45:10,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:45:10,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:45:10,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:45:10,918 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:45:10,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:45:10,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:45:10,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:45:10,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:45:10,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:45:10,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:45:10,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:45:10,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:45:10,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:45:10,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:45:10,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:45:10,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:45:10,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:45:10,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:45:10,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:45:10,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:45:10,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:45:10,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:45:10,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:45:10,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecffe8a5f60817da30887d6b361935e398ff8703e4fd5b17747e558625c4088 [2021-12-15 13:45:11,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:45:11,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:45:11,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:45:11,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:45:11,238 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:45:11,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:45:11,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e435b23f/c4afa2c4d3a644a3af87b01ed38ea6ca/FLAG6e32e56dc [2021-12-15 13:45:12,167 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:45:12,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-15 13:45:12,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e435b23f/c4afa2c4d3a644a3af87b01ed38ea6ca/FLAG6e32e56dc [2021-12-15 13:45:12,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e435b23f/c4afa2c4d3a644a3af87b01ed38ea6ca [2021-12-15 13:45:12,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:45:12,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:45:12,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:45:12,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:45:12,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:45:12,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:12" (1/1) ... [2021-12-15 13:45:12,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa1cee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:12, skipping insertion in model container [2021-12-15 13:45:12,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:45:12" (1/1) ... [2021-12-15 13:45:12,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:45:12,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:45:15,443 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-12-15 13:45:15,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:15,609 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:45:15,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:45:16,314 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-12-15 13:45:16,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:16,347 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:45:16,870 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-challenges/linux-3.8-rc1-32_7a-drivers--scsi--osst.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[331724,331737] [2021-12-15 13:45:16,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:45:16,974 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:45:16,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16 WrapperNode [2021-12-15 13:45:16,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:45:16,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:16,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:45:16,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:45:16,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,334 INFO L137 Inliner]: procedures = 288, calls = 4073, calls flagged for inlining = 105, calls inlined = 96, statements flattened = 8675 [2021-12-15 13:45:17,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:45:17,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:45:17,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:45:17,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:45:17,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:17,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:18,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:45:18,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:45:18,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:45:18,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:45:18,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:45:16" (1/1) ... [2021-12-15 13:45:18,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:45:18,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:45:18,132 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 13:45:18,158 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 13:45:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-15 13:45:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-15 13:45:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-15 13:45:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-15 13:45:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:45:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-15 13:45:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-15 13:45:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:45:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:45:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:45:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:45:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:45:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:45:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:45:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:45:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-15 13:45:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-15 13:45:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-15 13:45:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-15 13:45:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-15 13:45:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-15 13:45:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 13:45:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 13:45:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-15 13:45:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-15 13:45:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-15 13:45:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-15 13:45:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:45:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:45:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-15 13:45:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-15 13:45:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-15 13:45:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-15 13:45:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-15 13:45:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-15 13:45:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-15 13:45:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-15 13:45:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:45:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:45:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:45:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:45:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-15 13:45:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-15 13:45:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-15 13:45:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-15 13:45:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-15 13:45:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-15 13:45:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 13:45:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 13:45:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-15 13:45:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-15 13:45:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:45:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:45:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-15 13:45:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-15 13:45:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-15 13:45:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-15 13:45:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:45:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:45:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2021-12-15 13:45:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2021-12-15 13:45:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-15 13:45:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-15 13:45:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-15 13:45:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-15 13:45:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-15 13:45:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-15 13:45:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-15 13:45:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-15 13:45:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:45:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-15 13:45:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-15 13:45:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:45:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-15 13:45:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-15 13:45:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:45:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:45:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-15 13:45:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-15 13:45:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:45:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-15 13:45:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-15 13:45:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-15 13:45:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-15 13:45:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 13:45:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 13:45:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-15 13:45:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-15 13:45:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:45:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:45:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-15 13:45:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-15 13:45:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:45:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:45:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:45:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:45:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:45:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-15 13:45:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-15 13:45:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:45:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:45:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:45:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:45:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:45:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:45:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:45:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:45:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:45:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:45:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:45:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-15 13:45:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-15 13:45:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-15 13:45:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-15 13:45:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-15 13:45:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-15 13:45:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-15 13:45:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-15 13:45:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 13:45:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 13:45:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:45:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:45:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-15 13:45:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-15 13:45:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-15 13:45:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-15 13:45:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-15 13:45:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-15 13:45:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-15 13:45:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-15 13:45:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-15 13:45:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-15 13:45:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:45:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:45:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-15 13:45:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-15 13:45:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-15 13:45:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-15 13:45:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-15 13:45:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-15 13:45:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-15 13:45:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-15 13:45:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:45:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:45:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-15 13:45:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-15 13:45:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-15 13:45:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-15 13:45:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:45:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:45:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-15 13:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-15 13:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-15 13:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-15 13:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-15 13:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-15 13:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-15 13:45:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-15 13:45:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:45:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-15 13:45:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-15 13:45:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-15 13:45:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-15 13:45:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:45:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-15 13:45:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-15 13:45:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 13:45:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:45:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:45:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-15 13:45:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-15 13:45:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:45:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:45:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-15 13:45:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-15 13:45:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-15 13:45:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-15 13:45:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:45:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:45:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:45:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:45:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-15 13:45:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-15 13:45:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-15 13:45:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-15 13:45:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-15 13:45:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-15 13:45:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-15 13:45:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-15 13:45:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 13:45:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 13:45:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-15 13:45:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-15 13:45:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:45:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:45:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-15 13:45:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-15 13:45:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:45:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-15 13:45:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-15 13:45:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-15 13:45:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-15 13:45:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:45:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:45:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:45:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:45:19,039 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:45:19,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:45:19,156 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:45:19,160 INFO L158 Benchmark]: Toolchain (without parser) took 6437.75ms. Allocated memory was 67.1MB in the beginning and 427.8MB in the end (delta: 360.7MB). Free memory was 34.5MB in the beginning and 234.2MB in the end (delta: -199.6MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2021-12-15 13:45:19,160 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 55.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:45:19,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4252.65ms. Allocated memory was 67.1MB in the beginning and 213.9MB in the end (delta: 146.8MB). Free memory was 34.2MB in the beginning and 100.5MB in the end (delta: -66.2MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2021-12-15 13:45:19,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 358.40ms. Allocated memory is still 213.9MB. Free memory was 100.5MB in the beginning and 94.1MB in the end (delta: 6.4MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2021-12-15 13:45:19,162 INFO L158 Benchmark]: Boogie Preprocessor took 725.02ms. Allocated memory was 213.9MB in the beginning and 427.8MB in the end (delta: 213.9MB). Free memory was 94.1MB in the beginning and 289.7MB in the end (delta: -195.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-12-15 13:45:19,162 INFO L158 Benchmark]: RCFGBuilder took 1097.83ms. Allocated memory is still 427.8MB. Free memory was 289.7MB in the beginning and 234.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-15 13:45:19,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 55.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4252.65ms. Allocated memory was 67.1MB in the beginning and 213.9MB in the end (delta: 146.8MB). Free memory was 34.2MB in the beginning and 100.5MB in the end (delta: -66.2MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 358.40ms. Allocated memory is still 213.9MB. Free memory was 100.5MB in the beginning and 94.1MB in the end (delta: 6.4MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 725.02ms. Allocated memory was 213.9MB in the beginning and 427.8MB in the end (delta: 213.9MB). Free memory was 94.1MB in the beginning and 289.7MB in the end (delta: -195.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.83ms. Allocated memory is still 427.8MB. Free memory was 289.7MB in the beginning and 234.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. 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 13:45:19,202 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