/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-scsi-megaraid.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:10:02,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:10:02,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:10:02,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:10:02,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:10:02,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:10:02,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:10:02,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:10:02,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:10:02,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:10:02,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:10:02,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:10:02,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:10:02,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:10:02,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:10:02,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:10:02,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:10:02,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:10:02,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:10:02,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:10:02,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:10:02,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:10:02,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:10:02,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:10:02,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:10:02,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:10:02,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:10:02,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:10:02,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:10:02,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:10:02,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:10:02,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:10:02,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:10:02,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:10:02,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:10:02,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:10:02,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:10:02,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:10:02,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:10:02,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:10:02,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:10:02,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:10:02,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:10:02,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:10:02,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:10:02,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:10:02,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:10:02,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:10:02,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:10:02,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:10:02,629 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:10:02,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:10:02,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:10:02,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:10:02,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:10:02,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:10:02,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:10:02,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:10:02,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:10:02,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:10:02,634 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:10:02,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:10:02,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:10:02,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:10:02,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:10:02,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:10:02,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:10:02,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:10:02,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:02,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:10:02,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:10:02,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:10:02,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:10:02,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:10:02,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:10:02,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:10:03,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:10:03,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:10:03,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:10:03,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:10:03,193 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:10:03,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-scsi-megaraid.ko.cil.out.i [2022-10-15 21:10:03,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d7c5a5b/3123248edb7f42759fd28932238eeb2f/FLAGf1362e15a [2022-10-15 21:10:04,537 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:10:04,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-scsi-megaraid.ko.cil.out.i [2022-10-15 21:10:04,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d7c5a5b/3123248edb7f42759fd28932238eeb2f/FLAGf1362e15a [2022-10-15 21:10:04,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d7c5a5b/3123248edb7f42759fd28932238eeb2f [2022-10-15 21:10:04,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:10:04,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:10:04,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:04,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:10:04,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:10:04,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:04" (1/1) ... [2022-10-15 21:10:04,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d138b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:04, skipping insertion in model container [2022-10-15 21:10:04,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:04" (1/1) ... [2022-10-15 21:10:04,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:10:05,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:10:08,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-scsi-megaraid.ko.cil.out.i[305833,305846] [2022-10-15 21:10:08,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:08,388 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:10:09,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-scsi-megaraid.ko.cil.out.i[305833,305846] [2022-10-15 21:10:09,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:09,356 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:10:09,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09 WrapperNode [2022-10-15 21:10:09,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:09,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:09,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:10:09,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:10:09,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:09,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:09,911 INFO L138 Inliner]: procedures = 260, calls = 2760, calls flagged for inlining = 130, calls inlined = 122, statements flattened = 6124 [2022-10-15 21:10:09,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:09,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:10:09,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:10:09,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:10:09,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:09,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:10:10,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:10:10,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:10:10,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:10:10,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (1/1) ... [2022-10-15 21:10:10,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:10,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:10,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:10:10,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:10:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-15 21:10:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-15 21:10:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue_lck [2022-10-15 21:10:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue_lck [2022-10-15 21:10:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:10:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:10:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-15 21:10:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-15 21:10:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-10-15 21:10:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-10-15 21:10:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:10:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:10:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-10-15 21:10:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-10-15 21:10:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:10:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 21:10:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-10-15 21:10:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-10-15 21:10:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-15 21:10:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-15 21:10:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:10:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:10:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-10-15 21:10:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-10-15 21:10:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:10:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:10:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 21:10:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 21:10:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-10-15 21:10:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-10-15 21:10:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:10:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:10:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:10:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:10:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-10-15 21:10:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-10-15 21:10:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 21:10:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 21:10:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:10:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:10:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:10:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:10:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:10:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-10-15 21:10:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-10-15 21:10:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:10:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-10-15 21:10:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-10-15 21:10:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:10:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 21:10:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 21:10:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-15 21:10:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-15 21:10:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-10-15 21:10:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-10-15 21:10:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:10:10,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:10:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:10:10,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:10:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:10:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:10:10,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:10:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:10:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:10:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:10:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure mega_cmd_done [2022-10-15 21:10:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_cmd_done [2022-10-15 21:10:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:10:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:10:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:10:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:10:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-15 21:10:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-15 21:10:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-10-15 21:10:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-10-15 21:10:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:10:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:10:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:10:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-10-15 21:10:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-10-15 21:10:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:10:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:10:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-10-15 21:10:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-10-15 21:10:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-10-15 21:10:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-10-15 21:10:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:10:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:10:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:10:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-10-15 21:10:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-10-15 21:10:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:10:10,789 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:10:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 21:10:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:10:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:10:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-15 21:10:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-15 21:10:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-10-15 21:10:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-10-15 21:10:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 21:10:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 21:10:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:10:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:10:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:10:10,803 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:10:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:10:10,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:10:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:10:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:10:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:10:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:10:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:10:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:10:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-10-15 21:10:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-10-15 21:10:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:10:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:10:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-15 21:10:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-15 21:10:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:10:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:10:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:10:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-10-15 21:10:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-10-15 21:10:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:10:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:10:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:10:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:10:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-10-15 21:10:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-10-15 21:10:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-10-15 21:10:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-10-15 21:10:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:10:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:10:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-10-15 21:10:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-10-15 21:10:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-10-15 21:10:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-10-15 21:10:10,831 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-15 21:10:10,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-15 21:10:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2022-10-15 21:10:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure create_proc_read_entry [2022-10-15 21:10:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-10-15 21:10:10,832 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-10-15 21:10:10,832 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:10:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:10:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:10:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:10:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:10:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 21:10:10,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 21:10:10,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:10:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:10:10,834 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-10-15 21:10:10,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-10-15 21:10:11,983 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:10:11,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:10:12,245 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:12,259 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:12,261 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:14,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-10-15 21:10:14,051 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-10-15 21:10:14,051 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5970: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2022-10-15 21:10:14,051 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-10-15 21:10:14,051 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-10-15 21:10:14,052 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-10-15 21:10:14,052 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-10-15 21:10:14,109 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:14,112 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:14,117 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:14,119 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:14,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2022-10-15 21:10:14,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2022-10-15 21:10:14,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-10-15 21:10:14,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-10-15 21:10:14,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-10-15 21:10:14,262 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-10-15 21:10:14,262 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2022-10-15 21:10:14,262 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2022-10-15 21:10:14,262 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-10-15 21:10:14,262 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-10-15 21:10:14,263 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2022-10-15 21:10:14,263 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2022-10-15 21:10:15,177 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-15 21:10:15,177 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-15 21:10:15,178 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:15,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-10-15 21:10:15,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-10-15 21:10:15,454 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:15,601 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-10-15 21:10:15,602 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-10-15 21:10:15,758 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:15,949 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2022-10-15 21:10:15,950 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2022-10-15 21:10:16,024 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,170 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-10-15 21:10:16,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-10-15 21:10:16,295 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,298 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,298 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,302 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:20,208 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-10-15 21:10:20,208 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-10-15 21:10:20,208 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2022-10-15 21:10:20,208 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume !false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2022-10-15 21:10:20,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !false; [2022-10-15 21:10:20,210 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume false; [2022-10-15 21:10:20,350 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:10:20,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:10:20,374 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-15 21:10:20,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:20 BoogieIcfgContainer [2022-10-15 21:10:20,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:10:20,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:10:20,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:10:20,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:10:20,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:10:04" (1/3) ... [2022-10-15 21:10:20,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8b3a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:20, skipping insertion in model container [2022-10-15 21:10:20,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:09" (2/3) ... [2022-10-15 21:10:20,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8b3a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:20, skipping insertion in model container [2022-10-15 21:10:20,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:20" (3/3) ... [2022-10-15 21:10:20,393 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-scsi-megaraid.ko.cil.out.i [2022-10-15 21:10:20,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:10:20,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2022-10-15 21:10:20,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:10:20,546 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@440d7a1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:10:20,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2022-10-15 21:10:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 1782 states, 1272 states have (on average 1.3922955974842768) internal successors, (1771), 1385 states have internal predecessors, (1771), 351 states have call successors, (351), 70 states have call predecessors, (351), 70 states have return successors, (351), 348 states have call predecessors, (351), 351 states have call successors, (351) [2022-10-15 21:10:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 21:10:20,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:20,589 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:20,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting issue_scb_blockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, megaraid_queue_lckErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-15 21:10:20,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:20,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1668145231, now seen corresponding path program 1 times [2022-10-15 21:10:20,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:20,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130415979] [2022-10-15 21:10:20,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:10:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:10:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:10:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:10:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:10:22,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:22,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130415979] [2022-10-15 21:10:22,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130415979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:22,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:22,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:10:22,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115322583] [2022-10-15 21:10:22,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:22,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:10:22,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:22,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:10:22,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:22,196 INFO L87 Difference]: Start difference. First operand has 1782 states, 1272 states have (on average 1.3922955974842768) internal successors, (1771), 1385 states have internal predecessors, (1771), 351 states have call successors, (351), 70 states have call predecessors, (351), 70 states have return successors, (351), 348 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:10:30,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:30,851 INFO L93 Difference]: Finished difference Result 3785 states and 5503 transitions. [2022-10-15 21:10:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:10:30,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2022-10-15 21:10:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:30,912 INFO L225 Difference]: With dead ends: 3785 [2022-10-15 21:10:30,912 INFO L226 Difference]: Without dead ends: 2003 [2022-10-15 21:10:30,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:10:30,964 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 1139 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 921 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 5945 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 921 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:30,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 5945 Invalid, 3508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [921 Valid, 2587 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-15 21:10:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2022-10-15 21:10:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1752. [2022-10-15 21:10:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1261 states have (on average 1.3505154639175259) internal successors, (1703), 1356 states have internal predecessors, (1703), 350 states have call successors, (350), 69 states have call predecessors, (350), 69 states have return successors, (350), 347 states have call predecessors, (350), 350 states have call successors, (350) [2022-10-15 21:10:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2403 transitions. [2022-10-15 21:10:31,315 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2403 transitions. Word has length 78 [2022-10-15 21:10:31,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:31,317 INFO L495 AbstractCegarLoop]: Abstraction has 1752 states and 2403 transitions. [2022-10-15 21:10:31,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:10:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2403 transitions. [2022-10-15 21:10:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:10:31,327 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:31,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:31,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:10:31,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting issue_scb_blockErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, megaraid_queue_lckErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-15 21:10:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2014401276, now seen corresponding path program 1 times [2022-10-15 21:10:31,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:31,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981826508] [2022-10-15 21:10:31,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:10:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:10:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:10:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:10:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:10:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-15 21:10:31,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:31,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981826508] [2022-10-15 21:10:31,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981826508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:31,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:31,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:10:31,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902563101] [2022-10-15 21:10:31,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:31,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:10:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:31,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:10:31,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:31,898 INFO L87 Difference]: Start difference. First operand 1752 states and 2403 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:10:41,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:41,990 INFO L93 Difference]: Finished difference Result 2003 states and 2927 transitions. [2022-10-15 21:10:41,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:10:41,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2022-10-15 21:10:41,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:42,017 INFO L225 Difference]: With dead ends: 2003 [2022-10-15 21:10:42,017 INFO L226 Difference]: Without dead ends: 2002 [2022-10-15 21:10:42,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:10:42,023 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 1137 mSDsluCounter, 3513 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 5831 SdHoareTripleChecker+Invalid, 3462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:42,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 5831 Invalid, 3462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [926 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-10-15 21:10:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2022-10-15 21:10:42,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1751. [2022-10-15 21:10:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1261 states have (on average 1.3497224425059478) internal successors, (1702), 1355 states have internal predecessors, (1702), 350 states have call successors, (350), 69 states have call predecessors, (350), 69 states have return successors, (350), 347 states have call predecessors, (350), 350 states have call successors, (350) [2022-10-15 21:10:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2402 transitions. [2022-10-15 21:10:42,196 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2402 transitions. Word has length 90 [2022-10-15 21:10:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:42,201 INFO L495 AbstractCegarLoop]: Abstraction has 1751 states and 2402 transitions. [2022-10-15 21:10:42,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:10:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2402 transitions. [2022-10-15 21:10:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:10:42,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:42,212 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:42,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:10:42,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting issue_scb_blockErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, megaraid_queue_lckErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-15 21:10:42,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1978068143, now seen corresponding path program 1 times [2022-10-15 21:10:42,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:42,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258409600] [2022-10-15 21:10:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:10:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:10:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:10:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:10:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-15 21:10:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 21:10:43,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:43,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258409600] [2022-10-15 21:10:43,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258409600] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:43,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881336520] [2022-10-15 21:10:43,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:43,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:43,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:43,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:10:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:44,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2428 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:10:44,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-15 21:10:44,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:44,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881336520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:44,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:44,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-15 21:10:44,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774782254] [2022-10-15 21:10:44,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:44,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:10:44,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:44,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:10:44,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:10:44,117 INFO L87 Difference]: Start difference. First operand 1751 states and 2402 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:10:44,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:44,302 INFO L93 Difference]: Finished difference Result 1862 states and 2589 transitions. [2022-10-15 21:10:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:10:44,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 91 [2022-10-15 21:10:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:44,322 INFO L225 Difference]: With dead ends: 1862 [2022-10-15 21:10:44,322 INFO L226 Difference]: Without dead ends: 1861 [2022-10-15 21:10:44,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:10:44,327 INFO L413 NwaCegarLoop]: 2509 mSDtfsCounter, 127 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 4983 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:44,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 4983 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:10:44,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2022-10-15 21:10:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1742. [2022-10-15 21:10:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1254 states have (on average 1.3500797448165869) internal successors, (1693), 1347 states have internal predecessors, (1693), 349 states have call successors, (349), 69 states have call predecessors, (349), 69 states have return successors, (349), 346 states have call predecessors, (349), 349 states have call successors, (349) [2022-10-15 21:10:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2391 transitions. [2022-10-15 21:10:44,444 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2391 transitions. Word has length 91 [2022-10-15 21:10:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:44,445 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2391 transitions. [2022-10-15 21:10:44,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:10:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2391 transitions. [2022-10-15 21:10:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:10:44,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:44,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:44,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:44,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:44,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mega_cmd_doneErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mega_free_sglErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mega_free_sglErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, megaraid_queue_lckErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-15 21:10:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1699082228, now seen corresponding path program 1 times [2022-10-15 21:10:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:44,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095252732] [2022-10-15 21:10:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:10:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:10:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:10:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:10:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:10:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 21:10:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-15 21:10:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:10:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:10:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:10:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-15 21:10:45,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:45,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095252732] [2022-10-15 21:10:45,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095252732] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:45,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:45,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:10:45,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859547676] [2022-10-15 21:10:45,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:45,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:10:45,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:10:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:45,267 INFO L87 Difference]: Start difference. First operand 1742 states and 2391 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11)