./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--input--gameport--ns558.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:52,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:52,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:25:52,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:52,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:52,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:52,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:52,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:52,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:52,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:52,176 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:52,177 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:52,177 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:52,177 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:52,178 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:52,178 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:52,181 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:52,184 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:52,185 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:52,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:52,185 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:52,186 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:52,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:52,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:52,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:52,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:52,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:52,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:52,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:52,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:52,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:52,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:52,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:52,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:52,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:52,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:52,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:52,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:52,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:52,195 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:52,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:52,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:52,196 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:52,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:52,197 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd76f3400222a7434b370a764d7267d42d60812577a6e3d633d4f9c70f9f427 [2024-11-02 12:25:52,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:52,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:52,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:52,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:52,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:52,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:25:54,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:55,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:55,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-02 12:25:55,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/data/b5798cefb/ad77dd340462433185b8b2b556c5bfcf/FLAG7d7773d91 [2024-11-02 12:25:55,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/data/b5798cefb/ad77dd340462433185b8b2b556c5bfcf [2024-11-02 12:25:55,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:55,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:55,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:55,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:55,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:55,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46832b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:55, skipping insertion in model container [2024-11-02 12:25:55,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:55" (1/1) ... [2024-11-02 12:25:55,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:55,873 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-02 12:25:55,876 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-02 12:25:55,962 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-02 12:25:56,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:56,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:56,244 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1334] [2024-11-02 12:25:56,248 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1335-1336] [2024-11-02 12:25:56,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1449] [2024-11-02 12:25:56,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1457] [2024-11-02 12:25:56,264 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i[42973,42986] [2024-11-02 12:25:56,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:56,391 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:56,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56 WrapperNode [2024-11-02 12:25:56,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:56,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:56,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:56,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:56,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,545 INFO L138 Inliner]: procedures = 79, calls = 395, calls flagged for inlining = 27, calls inlined = 25, statements flattened = 1093 [2024-11-02 12:25:56,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:56,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:56,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:56,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:56,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:56,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:56,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:56,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:56,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (1/1) ... [2024-11-02 12:25:56,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:56,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa908aa9-df3e-4779-b4a4-6610546665d0/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-02 12:25:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-02 12:25:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-02 12:25:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-02 12:25:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:25:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:25:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-02 12:25:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-02 12:25:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-02 12:25:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-02 12:25:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_free_port [2024-11-02 12:25:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_free_port [2024-11-02 12:25:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:25:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:25:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:25:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:25:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_port [2024-11-02 12:25:56,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_port [2024-11-02 12:25:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:25:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_allocate_port [2024-11-02 12:25:56,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_allocate_port [2024-11-02 12:25:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:25:56,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-02 12:25:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-02 12:25:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:25:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:25:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_name [2024-11-02 12:25:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_name [2024-11-02 12:25:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:25:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-02 12:25:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-02 12:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-02 12:25:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-02 12:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_phys [2024-11-02 12:25:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_phys [2024-11-02 12:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-02 12:25:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-02 12:25:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:25:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:25:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:25:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-02 12:25:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-02 12:25:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:25:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:25:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:25:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:57,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:57,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:57,274 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:26:04,049 INFO L? ?]: Removed 323 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:04,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:04,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:04,622 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:26:04,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:04 BoogieIcfgContainer [2024-11-02 12:26:04,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:04,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:04,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:04,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:04,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:55" (1/3) ... [2024-11-02 12:26:04,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f59f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:04, skipping insertion in model container [2024-11-02 12:26:04,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:56" (2/3) ... [2024-11-02 12:26:04,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f59f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:04, skipping insertion in model container [2024-11-02 12:26:04,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:04" (3/3) ... [2024-11-02 12:26:04,636 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--gameport--ns558.ko-entry_point.cil.out.i [2024-11-02 12:26:04,656 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:04,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:04,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:04,758 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5613c2a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:04,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 129 states have internal predecessors, (162), 63 states have call successors, (63), 21 states have call predecessors, (63), 20 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-02 12:26:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-02 12:26:04,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:04,780 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:04,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:04,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash 503132141, now seen corresponding path program 1 times [2024-11-02 12:26:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:04,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457674597] [2024-11-02 12:26:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms