./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91 --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 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:58,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:58,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:19:58,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:58,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:58,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:58,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:58,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:58,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:58,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:58,586 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:58,588 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:58,588 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:58,590 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:19:58,591 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:58,591 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:58,592 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:19:58,592 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:19:58,593 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:58,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:19:58,594 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:19:58,594 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:19:58,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:58,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:58,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:19:58,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:58,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:58,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:58,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:58,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:58,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:58,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:58,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:58,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:58,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:58,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:58,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:58,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:58,616 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:19:58,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:19:58,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:58,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:58,617 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:58,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:58,618 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_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2023-11-24 23:19:58,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:58,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:58,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:58,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:58,995 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:58,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-24 23:20:02,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:02,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:02,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-24 23:20:02,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/data/2a569ad81/03c35b60603f4567817dc6b6fc073ff6/FLAG405c9c7c7 [2023-11-24 23:20:02,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/data/2a569ad81/03c35b60603f4567817dc6b6fc073ff6 [2023-11-24 23:20:02,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:02,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:02,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:02,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:02,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:02,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:02" (1/1) ... [2023-11-24 23:20:02,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59776350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:02, skipping insertion in model container [2023-11-24 23:20:02,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:02" (1/1) ... [2023-11-24 23:20:03,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:04,505 WARN L240 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_8d444368-6abe-4332-ab75-8a7c143fe781/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2023-11-24 23:20:04,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:04,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:05,160 WARN L240 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_8d444368-6abe-4332-ab75-8a7c143fe781/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2023-11-24 23:20:05,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:05,271 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:05,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05 WrapperNode [2023-11-24 23:20:05,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:05,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:05,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:05,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:05,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,537 INFO L138 Inliner]: procedures = 174, calls = 1445, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 2264 [2023-11-24 23:20:05,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:05,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:05,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:05,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:05,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:05,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:05,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:05,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:05,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (1/1) ... [2023-11-24 23:20:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:05,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:05,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:05,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d444368-6abe-4332-ab75-8a7c143fe781/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2023-11-24 23:20:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2023-11-24 23:20:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:20:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:20:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:20:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-11-24 23:20:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-11-24 23:20:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2023-11-24 23:20:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2023-11-24 23:20:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2023-11-24 23:20:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2023-11-24 23:20:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2023-11-24 23:20:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2023-11-24 23:20:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2023-11-24 23:20:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2023-11-24 23:20:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2023-11-24 23:20:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2023-11-24 23:20:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-24 23:20:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-24 23:20:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2023-11-24 23:20:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2023-11-24 23:20:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2023-11-24 23:20:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2023-11-24 23:20:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2023-11-24 23:20:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2023-11-24 23:20:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:20:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:20:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:20:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:20:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-24 23:20:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-24 23:20:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2023-11-24 23:20:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2023-11-24 23:20:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2023-11-24 23:20:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2023-11-24 23:20:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-24 23:20:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-24 23:20:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2023-11-24 23:20:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2023-11-24 23:20:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:20:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:20:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2023-11-24 23:20:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2023-11-24 23:20:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-24 23:20:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-24 23:20:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:20:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:20:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:20:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-24 23:20:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-24 23:20:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-24 23:20:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-24 23:20:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-24 23:20:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2023-11-24 23:20:05,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2023-11-24 23:20:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:05,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-24 23:20:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-24 23:20:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2023-11-24 23:20:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2023-11-24 23:20:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:20:05,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:20:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2023-11-24 23:20:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2023-11-24 23:20:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:20:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:06,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:06,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:53,143 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:54,949 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:54,950 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:20:54,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:54 BoogieIcfgContainer [2023-11-24 23:20:54,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:54,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:54,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:54,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:54,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:02" (1/3) ... [2023-11-24 23:20:54,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ceecc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:54, skipping insertion in model container [2023-11-24 23:20:54,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:05" (2/3) ... [2023-11-24 23:20:54,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ceecc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:54, skipping insertion in model container [2023-11-24 23:20:54,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:54" (3/3) ... [2023-11-24 23:20:54,968 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-24 23:20:54,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:54,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:55,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:55,099 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=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;@7c75febb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:55,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 443 states, 279 states have (on average 1.4050179211469533) internal successors, (392), 295 states have internal predecessors, (392), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2023-11-24 23:20:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:20:55,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:55,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:55,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:55,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2146744758, now seen corresponding path program 1 times [2023-11-24 23:20:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458269225] [2023-11-24 23:20:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms