./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--ata--sata_sx4.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/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_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/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--ata--sata_sx4.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/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_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/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 bf59f873abe32ddc2d99221f4f189da946012506d30fecc03d275d110896ac6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:24,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:24,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:33:24,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:24,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:24,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:24,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:24,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:24,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:24,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:24,367 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:24,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:24,368 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:24,368 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:24,369 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:24,371 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:24,371 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:24,371 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:24,372 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:24,372 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:24,372 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:24,376 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:24,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:24,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:24,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:24,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:24,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:24,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:24,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:24,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:24,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:24,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:24,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:24,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:24,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:24,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:24,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:24,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:24,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:24,384 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:24,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:24,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:24,384 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:24,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:24,385 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_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf59f873abe32ddc2d99221f4f189da946012506d30fecc03d275d110896ac6d [2024-11-02 12:33:24,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:24,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:24,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:24,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:24,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:24,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:33:27,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:27,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:27,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2024-11-02 12:33:27,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/data/895b7eb42/b2585424e8ce40f69c8be4e7053bd0f7/FLAG634974236 [2024-11-02 12:33:27,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/data/895b7eb42/b2585424e8ce40f69c8be4e7053bd0f7 [2024-11-02 12:33:27,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:27,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:27,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:27,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:27,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:27,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:27" (1/1) ... [2024-11-02 12:33:27,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b50261e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:27, skipping insertion in model container [2024-11-02 12:33:27,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:27" (1/1) ... [2024-11-02 12:33:27,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:28,684 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4786] [2024-11-02 12:33:28,685 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4787-4788] [2024-11-02 12:33:28,888 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_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i[144467,144480] [2024-11-02 12:33:29,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:29,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:29,825 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4786] [2024-11-02 12:33:29,825 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4787-4788] [2024-11-02 12:33:29,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4892] [2024-11-02 12:33:29,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4899] [2024-11-02 12:33:29,838 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_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i[144467,144480] [2024-11-02 12:33:30,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [5709] [2024-11-02 12:33:30,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/11804/dscv_tempdir/dscv/ri/43_2a/drivers/ata/sata_sx4.o.c.prepared"), "i" (726), "i" (12UL)); [5738-5739] [2024-11-02 12:33:30,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:30,211 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:30,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30 WrapperNode [2024-11-02 12:33:30,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:30,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:30,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:30,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:30,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,454 INFO L138 Inliner]: procedures = 151, calls = 818, calls flagged for inlining = 86, calls inlined = 71, statements flattened = 2327 [2024-11-02 12:33:30,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:30,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:30,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:30,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:30,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:30,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:30,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:30,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:30,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (1/1) ... [2024-11-02 12:33:30,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:30,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:30,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334cc5a-9ad5-4bd0-9a9f-68c7a9ecb89a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba48 [2024-11-02 12:33:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba48 [2024-11-02 12:33:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:33:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-02 12:33:30,747 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-02 12:33:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:33:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:33:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:33:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:33:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:33:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_reset_port [2024-11-02 12:33:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_reset_port [2024-11-02 12:33:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:33:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:33:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_i2c_read [2024-11-02 12:33:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_i2c_read [2024-11-02 12:33:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_pkt_footer [2024-11-02 12:33:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_pkt_footer [2024-11-02 12:33:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:33:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:33:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:33:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure ata_port_pbar_desc [2024-11-02 12:33:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_port_pbar_desc [2024-11-02 12:33:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:33:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:33:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-11-02 12:33:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-11-02 12:33:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:33:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_dump_hdma [2024-11-02 12:33:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_dump_hdma [2024-11-02 12:33:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure __pdc20621_push_hdma [2024-11-02 12:33:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __pdc20621_push_hdma [2024-11-02 12:33:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:33:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:33:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-02 12:33:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-02 12:33:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba28 [2024-11-02 12:33:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba28 [2024-11-02 12:33:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-11-02 12:33:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-11-02 12:33:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:33:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:33:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:33:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:33:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:33:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-02 12:33:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-02 12:33:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-02 12:33:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-02 12:33:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_push_hdma [2024-11-02 12:33:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_push_hdma [2024-11-02 12:33:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_ata_pkt [2024-11-02 12:33:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_ata_pkt [2024-11-02 12:33:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:33:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:33:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:33:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:31,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:31,427 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:35,855 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:33:46,494 INFO L? ?]: Removed 1017 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:46,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:48,243 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:48,247 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:33:48,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:48 BoogieIcfgContainer [2024-11-02 12:33:48,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:48,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:48,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:48,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:48,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:27" (1/3) ... [2024-11-02 12:33:48,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0af561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:48, skipping insertion in model container [2024-11-02 12:33:48,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:30" (2/3) ... [2024-11-02 12:33:48,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0af561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:48, skipping insertion in model container [2024-11-02 12:33:48,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:48" (3/3) ... [2024-11-02 12:33:48,261 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2024-11-02 12:33:48,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:48,284 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:48,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:48,403 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;@7e810ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:48,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 249 states have (on average 1.3975903614457832) internal successors, (348), 259 states have internal predecessors, (348), 136 states have call successors, (136), 25 states have call predecessors, (136), 24 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-02 12:33:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-02 12:33:48,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:48,453 INFO L215 NwaCegarLoop]: trace histogram [12, 9, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:48,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:48,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1910381772, now seen corresponding path program 1 times [2024-11-02 12:33:48,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:48,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509299276] [2024-11-02 12:33:48,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:48,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:54,695 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2024-11-02 12:33:54,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:54,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509299276] [2024-11-02 12:33:54,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509299276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:33:54,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:33:54,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:33:54,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925817052] [2024-11-02 12:33:54,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:33:54,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:33:54,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:33:54,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:33:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:33:54,744 INFO L87 Difference]: Start difference. First operand has 411 states, 249 states have (on average 1.3975903614457832) internal successors, (348), 259 states have internal predecessors, (348), 136 states have call successors, (136), 25 states have call predecessors, (136), 24 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)