./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.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 db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:19:05,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:19:05,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:19:05,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:19:05,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:19:05,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:19:05,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:19:05,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:19:05,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:19:05,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:19:05,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:19:05,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:19:05,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:19:05,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:19:05,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:19:05,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:19:05,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:19:05,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:19:05,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:19:05,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:19:05,392 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:19:05,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:19:05,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:19:05,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:19:05,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:19:05,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:19:05,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:19:05,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:19:05,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:19:05,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:19:05,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:19:05,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:19:05,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:19:05,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:19:05,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:19:05,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:19:05,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:19:05,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:19:05,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:19:05,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:19:05,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:19:05,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:19:05,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:19:05,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:19:05,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:19:05,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:19:05,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:19:05,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:19:05,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:19:05,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:19:05,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:19:05,460 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:19:05,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:19:05,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:19:05,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:19:05,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:19:05,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:19:05,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:19:05,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:19:05,462 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:19:05,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:19:05,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:19:05,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:19:05,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:19:05,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:19:05,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:19:05,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:19:05,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:19:05,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:19:05,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:19:05,465 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:19:05,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:19:05,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:19:05,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2022-07-21 11:19:05,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:19:05,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:19:05,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:19:05,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:19:05,800 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:19:05,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2022-07-21 11:19:05,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9ca1a1d/35baac186e7a4121849582f8721872da/FLAGe35cc26f0 [2022-07-21 11:19:06,394 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:19:06,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2022-07-21 11:19:06,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9ca1a1d/35baac186e7a4121849582f8721872da/FLAGe35cc26f0 [2022-07-21 11:19:06,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9ca1a1d/35baac186e7a4121849582f8721872da [2022-07-21 11:19:06,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:19:06,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:19:06,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:19:06,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:19:06,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:19:06,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:19:06" (1/1) ... [2022-07-21 11:19:06,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141c0162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:06, skipping insertion in model container [2022-07-21 11:19:06,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:19:06" (1/1) ... [2022-07-21 11:19:06,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:19:06,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:19:07,032 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2022-07-21 11:19:07,032 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2022-07-21 11:19:07,092 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2022-07-21 11:19:07,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:19:07,463 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:19:07,507 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2022-07-21 11:19:07,507 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2022-07-21 11:19:07,533 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2022-07-21 11:19:07,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:19:07,724 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:19:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07 WrapperNode [2022-07-21 11:19:07,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:19:07,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:19:07,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:19:07,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:19:07,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,852 INFO L137 Inliner]: procedures = 93, calls = 956, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1490 [2022-07-21 11:19:07,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:19:07,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:19:07,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:19:07,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:19:07,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:19:07,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:19:07,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:19:07,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:19:07,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (1/1) ... [2022-07-21 11:19:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:19:08,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:19:08,025 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) [2022-07-21 11:19:08,051 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 [2022-07-21 11:19:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:19:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:19:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:19:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:19:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2022-07-21 11:19:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2022-07-21 11:19:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:19:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:19:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:19:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:19:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:19:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:19:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2022-07-21 11:19:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2022-07-21 11:19:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:19:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:19:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2022-07-21 11:19:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2022-07-21 11:19:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:19:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:19:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-07-21 11:19:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-07-21 11:19:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2022-07-21 11:19:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2022-07-21 11:19:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2022-07-21 11:19:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2022-07-21 11:19:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:19:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:19:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:19:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2022-07-21 11:19:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2022-07-21 11:19:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:19:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:19:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2022-07-21 11:19:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2022-07-21 11:19:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-21 11:19:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-21 11:19:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 11:19:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 11:19:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:19:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:19:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:19:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2022-07-21 11:19:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2022-07-21 11:19:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:19:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:19:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:19:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:19:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:19:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:19:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:19:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:19:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 11:19:08,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 11:19:08,417 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:19:08,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:19:08,474 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:23:51,469 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:23:51,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:23:51,478 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:23:51,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:23:51 BoogieIcfgContainer [2022-07-21 11:23:51,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:23:51,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:23:51,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:23:51,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:23:51,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:19:06" (1/3) ... [2022-07-21 11:23:51,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51170ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:23:51, skipping insertion in model container [2022-07-21 11:23:51,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:07" (2/3) ... [2022-07-21 11:23:51,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51170ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:23:51, skipping insertion in model container [2022-07-21 11:23:51,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:23:51" (3/3) ... [2022-07-21 11:23:51,487 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2022-07-21 11:23:51,500 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:23:51,500 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:23:51,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:23:51,564 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=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@413e83c6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@94431c [2022-07-21 11:23:51,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:23:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 272 states, 200 states have (on average 1.385) internal successors, (277), 208 states have internal predecessors, (277), 52 states have call successors, (52), 19 states have call predecessors, (52), 18 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-21 11:23:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-21 11:23:51,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:23:51,591 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:23:51,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:23:51,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:23:51,598 INFO L85 PathProgramCache]: Analyzing trace with hash 862092015, now seen corresponding path program 1 times [2022-07-21 11:23:51,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:23:51,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695918850] [2022-07-21 11:23:51,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:23:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:23:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat