./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 08:29:55,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 08:29:55,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 08:29:55,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 08:29:55,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 08:29:55,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 08:29:55,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 08:29:55,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 08:29:55,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 08:29:55,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 08:29:55,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 08:29:55,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 08:29:55,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 08:29:55,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 08:29:55,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 08:29:55,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 08:29:55,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 08:29:55,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 08:29:55,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 08:29:55,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 08:29:55,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 08:29:55,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 08:29:55,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 08:29:55,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 08:29:55,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 08:29:55,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 08:29:55,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 08:29:55,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 08:29:55,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 08:29:55,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 08:29:55,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 08:29:55,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 08:29:55,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 08:29:55,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 08:29:55,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 08:29:55,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 08:29:55,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 08:29:55,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 08:29:55,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 08:29:55,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 08:29:55,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 08:29:55,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 08:29:55,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 08:29:55,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 08:29:55,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 08:29:55,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 08:29:55,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 08:29:55,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 08:29:55,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 08:29:55,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 08:29:55,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 08:29:55,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 08:29:55,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 08:29:55,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 08:29:55,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 08:29:55,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 [2021-11-04 08:29:55,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 08:29:55,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 08:29:55,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 08:29:55,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 08:29:55,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 08:29:55,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2021-11-04 08:29:55,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ede77366/e11e4910e0b64693b07a7cc7b6a4cd37/FLAG8b7f589e4 [2021-11-04 08:29:56,487 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 08:29:56,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2021-11-04 08:29:56,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ede77366/e11e4910e0b64693b07a7cc7b6a4cd37/FLAG8b7f589e4 [2021-11-04 08:29:56,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ede77366/e11e4910e0b64693b07a7cc7b6a4cd37 [2021-11-04 08:29:56,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 08:29:56,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 08:29:56,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 08:29:56,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 08:29:56,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 08:29:56,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:29:56" (1/1) ... [2021-11-04 08:29:56,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c17bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:29:56, skipping insertion in model container [2021-11-04 08:29:56,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:29:56" (1/1) ... [2021-11-04 08:29:56,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 08:29:56,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 08:30:01,665 WARN L228 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2021-11-04 08:30:01,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 08:30:01,798 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 08:30:02,613 WARN L228 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2021-11-04 08:30:02,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 08:30:02,802 INFO L208 MainTranslator]: Completed translation [2021-11-04 08:30:02,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02 WrapperNode [2021-11-04 08:30:02,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 08:30:02,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 08:30:02,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 08:30:02,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 08:30:02,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:02,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:04,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 08:30:04,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 08:30:04,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 08:30:04,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 08:30:04,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:04,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:05,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:05,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:06,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:06,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:06,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:06,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 08:30:06,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 08:30:06,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 08:30:06,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 08:30:06,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (1/1) ... [2021-11-04 08:30:06,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 08:30:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 08:30:06,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 08:30:06,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 08:30:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_shutdown [2021-11-04 08:30:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_shutdown [2021-11-04 08:30:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-04 08:30:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure _ipr_initiate_ioa_reset [2021-11-04 08:30:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _ipr_initiate_ioa_reset [2021-11-04 08:30:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_page24_failed [2021-11-04 08:30:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_page24_failed [2021-11-04 08:30:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa [2021-11-04 08:30:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa [2021-11-04 08:30:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_dump [2021-11-04 08:30:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_dump [2021-11-04 08:30:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_all_resources [2021-11-04 08:30:06,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_all_resources [2021-11-04 08:30:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_failed [2021-11-04 08:30:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_failed [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_done [2021-11-04 08:30:06,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_done [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 08:30:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 08:30:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_remove [2021-11-04 08:30:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_remove [2021-11-04 08:30:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_dev_reset [2021-11-04 08:30:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_dev_reset [2021-11-04 08:30:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_abort [2021-11-04 08:30:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_abort [2021-11-04 08:30:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_mem [2021-11-04 08:30:06,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_mem [2021-11-04 08:30:06,839 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-04 08:30:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-04 08:30:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 08:30:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-04 08:30:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_bringdown [2021-11-04 08:30:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_bringdown [2021-11-04 08:30:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 08:30:06,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 08:30:06,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 08:30:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 08:30:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 08:30:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_restore_cfg_space [2021-11-04 08:30:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_restore_cfg_space [2021-11-04 08:30:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_request_sense [2021-11-04 08:30:06,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_request_sense [2021-11-04 08:30:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_timer_done [2021-11-04 08:30:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_timer_done [2021-11-04 08:30:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 08:30:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 08:30:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-04 08:30:06,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-04 08:30:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 08:30:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 08:30:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_bus_reset_done [2021-11-04 08:30:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_bus_reset_done [2021-11-04 08:30:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_start [2021-11-04 08:30:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_start [2021-11-04 08:30:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_queuecommand [2021-11-04 08:30:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_queuecommand [2021-11-04 08:30:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_eh_done [2021-11-04 08:30:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_eh_done [2021-11-04 08:30:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_worker_thread [2021-11-04 08:30:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_worker_thread [2021-11-04 08:30:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_fail_all_ops [2021-11-04 08:30:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_fail_all_ops [2021-11-04 08:30:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cancel_hcam_done [2021-11-04 08:30:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cancel_hcam_done [2021-11-04 08:30:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_53 [2021-11-04 08:30:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_53 [2021-11-04 08:30:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 08:30:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_done [2021-11-04 08:30:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_done [2021-11-04 08:30:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 08:30:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2021-11-04 08:30:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2021-11-04 08:30:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_reset_work [2021-11-04 08:30:06,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_reset_work [2021-11-04 08:30:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_for_ops [2021-11-04 08:30:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_for_ops [2021-11-04 08:30:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 08:30:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_cancel_all [2021-11-04 08:30:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_cancel_all [2021-11-04 08:30:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_52 [2021-11-04 08:30:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_52 [2021-11-04 08:30:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_41 [2021-11-04 08:30:06,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_41 [2021-11-04 08:30:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_remove [2021-11-04 08:30:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_remove [2021-11-04 08:30:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe [2021-11-04 08:30:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe [2021-11-04 08:30:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_reset [2021-11-04 08:30:06,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_reset [2021-11-04 08:30:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 08:30:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa_part2 [2021-11-04 08:30:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa_part2 [2021-11-04 08:30:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2021-11-04 08:30:06,849 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2021-11-04 08:30:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_host_reset [2021-11-04 08:30:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_host_reset [2021-11-04 08:30:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cmd_failed [2021-11-04 08:30:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cmd_failed [2021-11-04 08:30:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_lock_and_done [2021-11-04 08:30:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_lock_and_done [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_process_error [2021-11-04 08:30:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_process_error [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 08:30:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_ioa_job [2021-11-04 08:30:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_ioa_job [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_timeout [2021-11-04 08:30:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_timeout [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 08:30:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_oper_timeout [2021-11-04 08:30:06,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_oper_timeout [2021-11-04 08:32:48,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 08:32:48,209 INFO L299 CfgBuilder]: Removed 12843 assume(true) statements. [2021-11-04 08:32:48,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:32:48 BoogieIcfgContainer [2021-11-04 08:32:48,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 08:32:48,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 08:32:48,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 08:32:48,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 08:32:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:29:56" (1/3) ... [2021-11-04 08:32:48,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45440a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:32:48, skipping insertion in model container [2021-11-04 08:32:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:02" (2/3) ... [2021-11-04 08:32:48,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45440a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:32:48, skipping insertion in model container [2021-11-04 08:32:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:32:48" (3/3) ... [2021-11-04 08:32:48,226 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2021-11-04 08:32:48,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 08:32:48,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-04 08:32:48,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 08:32:48,308 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 08:32:48,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-04 08:32:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 12659 states, 12422 states have (on average 1.3678956689744002) internal successors, (16992), 12492 states have internal predecessors, (16992), 175 states have call successors, (175), 48 states have call predecessors, (175), 48 states have return successors, (175), 158 states have call predecessors, (175), 175 states have call successors, (175) [2021-11-04 08:32:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-04 08:32:48,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 08:32:48,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 08:32:48,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ipr_probe_ioaErr0ASSERT_VIOLATIONERROR_FUNCTION, ipr_probe_ioaErr1ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 08:32:48,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 08:32:48,490 INFO L85 PathProgramCache]: Analyzing trace with hash -497443597, now seen corresponding path program 1 times [2021-11-04 08:32:48,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 08:32:48,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255473320] [2021-11-04 08:32:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 08:32:48,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 08:32:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 08:32:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 08:32:49,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 08:32:49,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255473320] [2021-11-04 08:32:49,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255473320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 08:32:49,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 08:32:49,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 08:32:49,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345120090] [2021-11-04 08:32:49,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 08:32:49,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 08:32:49,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 08:32:49,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 08:32:49,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 08:32:49,944 INFO L87 Difference]: Start difference. First operand has 12659 states, 12422 states have (on average 1.3678956689744002) internal successors, (16992), 12492 states have internal predecessors, (16992), 175 states have call successors, (175), 48 states have call predecessors, (175), 48 states have return successors, (175), 158 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 2 states, 2 states have (on average 140.0) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)