./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 f4b24e32 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-?-f4b24e3 [2022-07-14 00:26:10,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:26:10,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:26:10,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:26:10,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:26:10,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:26:10,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:26:10,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:26:10,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:26:10,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:26:10,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:26:10,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:26:10,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:26:10,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:26:10,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:26:10,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:26:10,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:26:10,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:26:10,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:26:10,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:26:10,824 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:26:10,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:26:10,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:26:10,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:26:10,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:26:10,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:26:10,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:26:10,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:26:10,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:26:10,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:26:10,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:26:10,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:26:10,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:26:10,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:26:10,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:26:10,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:26:10,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:26:10,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:26:10,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:26:10,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:26:10,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:26:10,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:26:10,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:26:10,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:26:10,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:26:10,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:26:10,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:26:10,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:26:10,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:26:10,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:26:10,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:26:10,866 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:26:10,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:26:10,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:26:10,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:26:10,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:26:10,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:26:10,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:26:10,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:26:10,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:26:10,870 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:26:10,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:26:10,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:26:10,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2022-07-14 00:26:11,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:26:11,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:26:11,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:26:11,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:26:11,103 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:26:11,104 INFO L432 ainManager$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 [2022-07-14 00:26:11,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e597fbf/d7e5359edb7f4c92a807ac13d931602e/FLAG53eb42300 [2022-07-14 00:26:11,643 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:26:11,644 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 [2022-07-14 00:26:11,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e597fbf/d7e5359edb7f4c92a807ac13d931602e/FLAG53eb42300 [2022-07-14 00:26:12,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e597fbf/d7e5359edb7f4c92a807ac13d931602e [2022-07-14 00:26:12,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:26:12,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:26:12,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:26:12,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:26:12,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:26:12,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:12,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33081cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12, skipping insertion in model container [2022-07-14 00:26:12,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:12,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:26:12,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:26:12,482 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2022-07-14 00:26:12,487 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] [2022-07-14 00:26:12,550 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] [2022-07-14 00:26:12,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:26:12,814 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:26:12,865 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2022-07-14 00:26:12,866 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] [2022-07-14 00:26:12,873 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] [2022-07-14 00:26:12,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:26:12,990 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:26:12,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12 WrapperNode [2022-07-14 00:26:12,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:26:12,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:26:12,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:26:12,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:26:12,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,117 INFO L137 Inliner]: procedures = 93, calls = 956, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1490 [2022-07-14 00:26:13,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:26:13,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:26:13,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:26:13,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:26:13,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:26:13,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:26:13,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:26:13,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:26:13,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (1/1) ... [2022-07-14 00:26:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:26:13,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:26:13,278 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) [2022-07-14 00:26:13,324 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 [2022-07-14 00:26:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:26:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:26:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:26:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:26:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2022-07-14 00:26:13,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2022-07-14 00:26:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:26:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2022-07-14 00:26:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2022-07-14 00:26:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:26:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:26:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2022-07-14 00:26:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2022-07-14 00:26:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:26:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:26:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-07-14 00:26:13,339 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2022-07-14 00:26:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2022-07-14 00:26:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:26:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2022-07-14 00:26:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2022-07-14 00:26:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:26:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:26:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2022-07-14 00:26:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2022-07-14 00:26:13,341 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-14 00:26:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-14 00:26:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 00:26:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 00:26:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:26:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:26:13,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:26:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2022-07-14 00:26:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2022-07-14 00:26:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:26:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:26:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:26:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:26:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:26:13,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:26:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:26:13,344 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:26:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 00:26:13,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 00:26:13,559 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:26:13,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:26:13,632 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:30:58,429 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:30:58,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:30:58,435 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:30:58,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:30:58 BoogieIcfgContainer [2022-07-14 00:30:58,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:30:58,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:30:58,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:30:58,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:30:58,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:26:12" (1/3) ... [2022-07-14 00:30:58,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4113a9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:30:58, skipping insertion in model container [2022-07-14 00:30:58,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:26:12" (2/3) ... [2022-07-14 00:30:58,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4113a9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:30:58, skipping insertion in model container [2022-07-14 00:30:58,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:30:58" (3/3) ... [2022-07-14 00:30:58,442 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 [2022-07-14 00:30:58,451 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:30:58,451 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:30:58,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:30:58,486 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@6b1e4cb1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ba64790 [2022-07-14 00:30:58,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:30:58,490 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) [2022-07-14 00:30:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-14 00:30:58,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:30:58,498 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] [2022-07-14 00:30:58,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:30:58,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:30:58,501 INFO L85 PathProgramCache]: Analyzing trace with hash 862092015, now seen corresponding path program 1 times [2022-07-14 00:30:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:30:58,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744034282] [2022-07-14 00:30:58,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:30:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:30:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:30:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:30:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:30:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:30:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:30:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-14 00:30:59,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:30:59,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744034282] [2022-07-14 00:30:59,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744034282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:30:59,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:30:59,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 00:30:59,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114816445] [2022-07-14 00:30:59,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:30:59,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 00:30:59,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:30:59,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 00:30:59,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 00:30:59,880 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)