java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:23:57,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:23:57,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:23:57,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:23:57,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:23:57,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:23:57,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:23:57,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:23:57,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:23:57,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:23:57,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:23:57,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:23:57,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:23:57,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:23:57,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:23:57,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:23:57,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:23:57,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:23:57,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:23:57,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:23:57,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:23:57,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:23:57,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:23:57,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:23:57,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:23:57,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:23:57,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:23:57,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:23:57,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:23:57,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:23:57,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:23:57,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:23:57,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:23:57,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:23:57,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:23:57,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:23:57,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:23:57,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:23:57,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:23:57,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:23:57,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:23:57,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:23:57,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:23:57,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:23:57,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:23:57,951 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:23:57,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:23:57,952 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:23:57,952 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:23:57,953 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:23:57,953 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:23:57,953 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:23:57,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:23:57,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:23:57,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:23:57,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:23:57,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:23:57,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:23:57,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:23:57,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:23:57,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:23:57,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:23:57,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:23:57,957 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:23:57,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:23:57,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:23:57,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:23:57,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:23:57,959 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:23:57,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:23:57,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:23:57,959 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:23:58,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:23:58,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:23:58,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:23:58,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:23:58,027 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:23:58,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2019-09-16 17:23:58,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe5e133a/298d07b61c5b4f0eb703c45ae269705a/FLAG9f1ca6b29 [2019-09-16 17:23:59,046 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:23:59,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2019-09-16 17:23:59,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe5e133a/298d07b61c5b4f0eb703c45ae269705a/FLAG9f1ca6b29 [2019-09-16 17:23:59,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe5e133a/298d07b61c5b4f0eb703c45ae269705a [2019-09-16 17:23:59,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:23:59,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:23:59,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:23:59,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:23:59,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:23:59,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:59" (1/1) ... [2019-09-16 17:23:59,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b4c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:23:59, skipping insertion in model container [2019-09-16 17:23:59,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:23:59" (1/1) ... [2019-09-16 17:23:59,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:23:59,591 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:24:02,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:24:02,419 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:24:02,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:24:03,496 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:24:03,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03 WrapperNode [2019-09-16 17:24:03,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:24:03,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:24:03,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:24:03,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:24:03,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:03,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:03,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:03,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:03,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:03,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:04,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... [2019-09-16 17:24:04,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:24:04,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:24:04,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:24:04,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:24:04,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:24:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:24:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:24:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-16 17:24:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-16 17:24:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2019-09-16 17:24:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-16 17:24:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-16 17:24:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-16 17:24:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2019-09-16 17:24:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-16 17:24:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2019-09-16 17:24:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2019-09-16 17:24:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-16 17:24:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-16 17:24:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-16 17:24:04,251 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2019-09-16 17:24:04,251 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-16 17:24:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-16 17:24:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-16 17:24:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-16 17:24:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-16 17:24:04,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-16 17:24:04,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-16 17:24:04,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-16 17:24:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-16 17:24:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-16 17:24:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-16 17:24:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-16 17:24:04,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-16 17:24:04,255 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2019-09-16 17:24:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_sense [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_end_async [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_allocate_request [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_execute [2019-09-16 17:24:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2019-09-16 17:24:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2019-09-16 17:24:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2019-09-16 17:24:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2019-09-16 17:24:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2019-09-16 17:24:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_for_medium [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2019-09-16 17:24:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_sector [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_sector [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2019-09-16 17:24:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2019-09-16 17:24:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2019-09-16 17:24:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2019-09-16 17:24:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2019-09-16 17:24:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_fast [2019-09-16 17:24:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2019-09-16 17:24:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2019-09-16 17:24:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filler [2019-09-16 17:24:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2019-09-16 17:24:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2019-09-16 17:24:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2019-09-16 17:24:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2019-09-16 17:24:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_analyze_headers [2019-09-16 17:24:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_position [2019-09-16 17:24:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_parse_firmware_rev [2019-09-16 17:24:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_configure_onstream [2019-09-16 17:24:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2019-09-16 17:24:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2019-09-16 17:24:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2019-09-16 17:24:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2019-09-16 17:24:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2019-09-16 17:24:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2019-09-16 17:24:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2019-09-16 17:24:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2019-09-16 17:24:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_state [2019-09-16 17:24:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2019-09-16 17:24:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read [2019-09-16 17:24:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2019-09-16 17:24:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_options [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __os_scsi_tape_open [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_open [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_close [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_ioctl [2019-09-16 17:24:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_compat_ioctl [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure new_tape_buffer [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure from_buffer [2019-09-16 17:24:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_zero_buffer_tail [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_options [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_supports [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_version_show [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_create_sysfs_files [2019-09-16 17:24:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove_sysfs_files [2019-09-16 17:24:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_adr_rev_show [2019-09-16 17:24:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_linux_media_version_show [2019-09-16 17:24:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_capacity_show [2019-09-16 17:24:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_first_data_ppos_show [2019-09-16 17:24:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_eod_frame_ppos_show [2019-09-16 17:24:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_filemark_cnt_show [2019-09-16 17:24:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_init [2019-09-16 17:24:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2019-09-16 17:24:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2019-09-16 17:24:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2019-09-16 17:24:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_probe [2019-09-16 17:24:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_remove [2019-09-16 17:24:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure init_osst [2019-09-16 17:24:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_osst [2019-09-16 17:24:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_driver_9 [2019-09-16 17:24:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_8 [2019-09-16 17:24:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:24:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-16 17:24:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-16 17:24:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_5 [2019-09-16 17:24:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2019-09-16 17:24:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-16 17:24:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-16 17:24:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-16 17:24:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-16 17:24:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-16 17:24:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-16 17:24:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-16 17:24:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-16 17:24:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_put_request [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-09-16 17:24:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-09-16 17:24:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2019-09-16 17:24:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-16 17:24:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-09-16 17:24:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-09-16 17:24:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-16 17:24:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-09-16 17:24:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2019-09-16 17:24:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_execute_rq_nowait [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_get_request [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_put_request [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_kern [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_map_user [2019-09-16 17:24:04,293 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_set_block_pc [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_unmap_user [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-16 17:24:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-16 17:24:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure panic [2019-09-16 17:24:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_get [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_get_sense_info_fld [2019-09-16 17:24:04,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_ioctl_block_when_processing_errors [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_normalize_sense [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_register_driver [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sense_desc_find [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_medium_removal [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_prefix_printk [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2019-09-16 17:24:04,298 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-16 17:24:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-16 17:24:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-16 17:24:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-16 17:24:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-16 17:24:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:24:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:24:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-16 17:24:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-09-16 17:24:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure panic [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-16 17:24:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-16 17:24:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2019-09-16 17:24:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:24:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2019-09-16 17:24:04,306 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2019-09-16 17:24:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2019-09-16 17:24:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-16 17:24:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-09-16 17:24:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-16 17:24:04,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:24:04,308 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-16 17:24:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-16 17:24:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-16 17:24:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-16 17:24:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-16 17:24:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-16 17:24:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:24:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:24:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-16 17:24:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-16 17:24:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-16 17:24:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-16 17:24:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-16 17:24:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-16 17:24:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-16 17:24:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_driver_9 [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_8 [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-09-16 17:24:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_5 [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2019-09-16 17:24:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-09-16 17:24:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-16 17:24:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-09-16 17:24:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_request [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_put_request [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_get_request [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_set_block_pc [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_user [2019-09-16 17:24:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_unmap_user [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_kern [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq_nowait [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_normalize_sense [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_prefix_printk [2019-09-16 17:24:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_get [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_medium_removal [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_register_driver [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sense_desc_find [2019-09-16 17:24:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_get_sense_info_fld [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl_block_when_processing_errors [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_ioctl [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure new_tape_buffer [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2019-09-16 17:24:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure from_buffer [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_zero_buffer_tail [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_probe [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2019-09-16 17:24:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_sense [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_end_async [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_allocate_request [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2019-09-16 17:24:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_execute [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-16 17:24:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_for_medium [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2019-09-16 17:24:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_sector [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_sector [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2019-09-16 17:24:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_fast [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filler [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2019-09-16 17:24:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2019-09-16 17:24:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_analyze_headers [2019-09-16 17:24:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_position [2019-09-16 17:24:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_parse_firmware_rev [2019-09-16 17:24:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure osst_configure_onstream [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_state [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2019-09-16 17:24:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_options [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure __os_scsi_tape_open [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_open [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_close [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_ioctl [2019-09-16 17:24:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_compat_ioctl [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure validate_options [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_supports [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_version_show [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_create_sysfs_files [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_remove_sysfs_files [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_adr_rev_show [2019-09-16 17:24:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_linux_media_version_show [2019-09-16 17:24:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure osst_capacity_show [2019-09-16 17:24:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure osst_first_data_ppos_show [2019-09-16 17:24:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure osst_eod_frame_ppos_show [2019-09-16 17:24:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure osst_filemark_cnt_show [2019-09-16 17:24:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_init [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure init_osst [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure exit_osst [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-16 17:24:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-16 17:24:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:24:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-16 17:24:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-16 17:24:06,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-16 17:24:26,044 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-16 17:24:30,575 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:24:30,576 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:24:30,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:24:30 BoogieIcfgContainer [2019-09-16 17:24:30,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:24:30,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:24:30,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:24:30,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:24:30,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:23:59" (1/3) ... [2019-09-16 17:24:30,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c373570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:24:30, skipping insertion in model container [2019-09-16 17:24:30,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:24:03" (2/3) ... [2019-09-16 17:24:30,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c373570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:24:30, skipping insertion in model container [2019-09-16 17:24:30,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:24:30" (3/3) ... [2019-09-16 17:24:30,594 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2019-09-16 17:24:30,609 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:24:30,632 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:24:30,659 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:24:30,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:24:30,710 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:24:30,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:24:30,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:24:30,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:24:30,710 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:24:30,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:24:30,711 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:24:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states. [2019-09-16 17:24:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-09-16 17:24:30,863 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:24:30,865 INFO L407 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:24:30,868 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:24:30,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:24:30,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1612419806, now seen corresponding path program 1 times [2019-09-16 17:24:30,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:24:31,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:31,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:24:31,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:31,009 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:24:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:24:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2019-09-16 17:24:32,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:24:32,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:24:32,611 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:24:32,617 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:24:32,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:24:32,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:24:32,636 INFO L87 Difference]: Start difference. First operand 3490 states. Second operand 3 states. [2019-09-16 17:24:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:24:38,217 INFO L93 Difference]: Finished difference Result 6697 states and 9813 transitions. [2019-09-16 17:24:38,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:24:38,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 428 [2019-09-16 17:24:38,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:24:38,316 INFO L225 Difference]: With dead ends: 6697 [2019-09-16 17:24:38,316 INFO L226 Difference]: Without dead ends: 6656 [2019-09-16 17:24:38,318 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:24:38,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2019-09-16 17:24:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6656. [2019-09-16 17:24:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6656 states. [2019-09-16 17:24:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 9740 transitions. [2019-09-16 17:24:38,782 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 9740 transitions. Word has length 428 [2019-09-16 17:24:38,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:24:38,787 INFO L475 AbstractCegarLoop]: Abstraction has 6656 states and 9740 transitions. [2019-09-16 17:24:38,787 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:24:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 9740 transitions. [2019-09-16 17:24:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-16 17:24:38,807 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:24:38,808 INFO L407 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:24:38,808 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:24:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:24:38,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1438564276, now seen corresponding path program 1 times [2019-09-16 17:24:38,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:24:38,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:38,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:24:38,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:38,842 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:24:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:24:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2019-09-16 17:24:40,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:24:40,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:24:40,012 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:24:40,028 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:24:40,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:24:40,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:24:40,029 INFO L87 Difference]: Start difference. First operand 6656 states and 9740 transitions. Second operand 4 states. [2019-09-16 17:24:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:24:47,383 INFO L93 Difference]: Finished difference Result 6656 states and 9739 transitions. [2019-09-16 17:24:47,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:24:47,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 430 [2019-09-16 17:24:47,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:24:47,429 INFO L225 Difference]: With dead ends: 6656 [2019-09-16 17:24:47,430 INFO L226 Difference]: Without dead ends: 6656 [2019-09-16 17:24:47,431 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:24:47,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2019-09-16 17:24:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6656. [2019-09-16 17:24:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6656 states. [2019-09-16 17:24:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 9739 transitions. [2019-09-16 17:24:47,713 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 9739 transitions. Word has length 430 [2019-09-16 17:24:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:24:47,716 INFO L475 AbstractCegarLoop]: Abstraction has 6656 states and 9739 transitions. [2019-09-16 17:24:47,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:24:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 9739 transitions. [2019-09-16 17:24:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-16 17:24:47,729 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:24:47,730 INFO L407 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:24:47,730 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:24:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:24:47,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1862210998, now seen corresponding path program 1 times [2019-09-16 17:24:47,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:24:47,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:47,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:24:47,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:47,763 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:24:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:24:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2019-09-16 17:24:48,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:24:48,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 17:24:48,586 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:24:48,588 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 17:24:48,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 17:24:48,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:24:48,589 INFO L87 Difference]: Start difference. First operand 6656 states and 9739 transitions. Second operand 4 states. [2019-09-16 17:24:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:24:56,610 INFO L93 Difference]: Finished difference Result 6656 states and 9738 transitions. [2019-09-16 17:24:56,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:24:56,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 430 [2019-09-16 17:24:56,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:24:56,656 INFO L225 Difference]: With dead ends: 6656 [2019-09-16 17:24:56,656 INFO L226 Difference]: Without dead ends: 6656 [2019-09-16 17:24:56,657 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 17:24:56,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2019-09-16 17:24:56,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6656. [2019-09-16 17:24:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6656 states. [2019-09-16 17:24:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6656 states to 6656 states and 9738 transitions. [2019-09-16 17:24:56,853 INFO L78 Accepts]: Start accepts. Automaton has 6656 states and 9738 transitions. Word has length 430 [2019-09-16 17:24:56,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:24:56,855 INFO L475 AbstractCegarLoop]: Abstraction has 6656 states and 9738 transitions. [2019-09-16 17:24:56,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 17:24:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 6656 states and 9738 transitions. [2019-09-16 17:24:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-16 17:24:56,867 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:24:56,869 INFO L407 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:24:56,869 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:24:56,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:24:56,870 INFO L82 PathProgramCache]: Analyzing trace with hash 490403700, now seen corresponding path program 1 times [2019-09-16 17:24:56,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:24:56,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:56,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:24:56,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:56,896 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:24:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:24:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2019-09-16 17:24:57,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:24:57,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:24:57,645 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:24:57,646 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:24:57,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:24:57,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:24:57,648 INFO L87 Difference]: Start difference. First operand 6656 states and 9738 transitions. Second operand 5 states. [2019-09-16 17:24:57,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:24:57,789 INFO L93 Difference]: Finished difference Result 6662 states and 9744 transitions. [2019-09-16 17:24:57,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:24:57,790 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 430 [2019-09-16 17:24:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:24:57,856 INFO L225 Difference]: With dead ends: 6662 [2019-09-16 17:24:57,856 INFO L226 Difference]: Without dead ends: 6662 [2019-09-16 17:24:57,856 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:24:57,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6662 states. [2019-09-16 17:24:58,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6662 to 6660. [2019-09-16 17:24:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6660 states. [2019-09-16 17:24:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 9742 transitions. [2019-09-16 17:24:58,065 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 9742 transitions. Word has length 430 [2019-09-16 17:24:58,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:24:58,067 INFO L475 AbstractCegarLoop]: Abstraction has 6660 states and 9742 transitions. [2019-09-16 17:24:58,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:24:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 9742 transitions. [2019-09-16 17:24:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-09-16 17:24:58,078 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:24:58,079 INFO L407 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:24:58,079 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:24:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:24:58,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1968204991, now seen corresponding path program 1 times [2019-09-16 17:24:58,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:24:58,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:58,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:24:58,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:24:58,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:24:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:24:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2019-09-16 17:24:58,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:24:58,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:24:58,982 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:24:58,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:24:58,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:24:58,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:24:58,984 INFO L87 Difference]: Start difference. First operand 6660 states and 9742 transitions. Second operand 3 states. [2019-09-16 17:24:59,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:24:59,068 INFO L93 Difference]: Finished difference Result 6657 states and 9739 transitions. [2019-09-16 17:24:59,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:24:59,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 440 [2019-09-16 17:24:59,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:24:59,070 INFO L225 Difference]: With dead ends: 6657 [2019-09-16 17:24:59,070 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:24:59,070 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:24:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:24:59,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:24:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:24:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:24:59,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 440 [2019-09-16 17:24:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:24:59,072 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:24:59,072 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:24:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:24:59,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:24:59,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:24:59 BoogieIcfgContainer [2019-09-16 17:24:59,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:24:59,081 INFO L168 Benchmark]: Toolchain (without parser) took 59658.54 ms. Allocated memory was 132.1 MB in the beginning and 1.1 GB in the end (delta: 989.9 MB). Free memory was 72.6 MB in the beginning and 486.2 MB in the end (delta: -413.5 MB). Peak memory consumption was 576.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,082 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4075.18 ms. Allocated memory was 132.1 MB in the beginning and 291.5 MB in the end (delta: 159.4 MB). Free memory was 72.4 MB in the beginning and 112.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 181.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,084 INFO L168 Benchmark]: Boogie Preprocessor took 651.92 ms. Allocated memory was 291.5 MB in the beginning and 392.7 MB in the end (delta: 101.2 MB). Free memory was 112.4 MB in the beginning and 283.6 MB in the end (delta: -171.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,085 INFO L168 Benchmark]: RCFGBuilder took 26428.47 ms. Allocated memory was 392.7 MB in the beginning and 917.0 MB in the end (delta: 524.3 MB). Free memory was 283.6 MB in the beginning and 781.4 MB in the end (delta: -497.8 MB). Peak memory consumption was 658.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,086 INFO L168 Benchmark]: TraceAbstraction took 28497.67 ms. Allocated memory was 917.0 MB in the beginning and 1.1 GB in the end (delta: 205.0 MB). Free memory was 781.4 MB in the beginning and 486.2 MB in the end (delta: 295.2 MB). Peak memory consumption was 500.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:24:59,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4075.18 ms. Allocated memory was 132.1 MB in the beginning and 291.5 MB in the end (delta: 159.4 MB). Free memory was 72.4 MB in the beginning and 112.4 MB in the end (delta: -40.0 MB). Peak memory consumption was 181.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 651.92 ms. Allocated memory was 291.5 MB in the beginning and 392.7 MB in the end (delta: 101.2 MB). Free memory was 112.4 MB in the beginning and 283.6 MB in the end (delta: -171.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 26428.47 ms. Allocated memory was 392.7 MB in the beginning and 917.0 MB in the end (delta: 524.3 MB). Free memory was 283.6 MB in the beginning and 781.4 MB in the end (delta: -497.8 MB). Peak memory consumption was 658.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28497.67 ms. Allocated memory was 917.0 MB in the beginning and 1.1 GB in the end (delta: 205.0 MB). Free memory was 781.4 MB in the beginning and 486.2 MB in the end (delta: 295.2 MB). Peak memory consumption was 500.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12078]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 212 procedures, 3550 locations, 1 error locations. SAFE Result, 28.3s OverallTime, 5 OverallIterations, 25 TraceHistogramMax, 21.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25709 SDtfs, 19597 SDslu, 27155 SDs, 0 SdLazy, 2821 SolverSat, 8 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2158 NumberOfCodeBlocks, 2158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 2153 ConstructedInterpolants, 0 QuantifiedInterpolants, 1192756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 14760/14760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...