./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 30e01a73 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_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/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_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:29:02,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:02,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:29:02,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:02,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:02,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:02,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:02,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:02,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:02,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:02,655 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:02,655 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:02,656 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:02,658 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:02,658 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:02,659 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:02,659 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:02,660 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:02,660 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:02,661 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:02,661 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:02,662 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:02,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:02,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:02,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:02,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:02,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:02,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:02,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:02,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:02,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:02,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:02,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:02,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:02,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:02,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:02,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:02,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:02,671 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:02,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:02,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:02,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:02,672 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:02,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:02,673 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_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2023-11-23 21:29:02,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:03,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:03,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:03,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:03,034 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:03,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-23 21:29:06,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:06,865 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:06,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-23 21:29:06,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/data/56e20b181/1de893bc71c44c5a9c91dd869302954b/FLAG0129f8e02 [2023-11-23 21:29:06,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/data/56e20b181/1de893bc71c44c5a9c91dd869302954b [2023-11-23 21:29:06,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:06,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:06,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:06,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:06,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:06,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:06,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5429c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:06, skipping insertion in model container [2023-11-23 21:29:06,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:06" (1/1) ... [2023-11-23 21:29:07,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:08,582 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_864eb8c3-562e-47b8-9cac-aa3d7db584ca/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2023-11-23 21:29:08,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:08,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:09,192 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_864eb8c3-562e-47b8-9cac-aa3d7db584ca/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2023-11-23 21:29:09,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:09,329 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:09,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09 WrapperNode [2023-11-23 21:29:09,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:09,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:09,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:09,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:09,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,611 INFO L138 Inliner]: procedures = 174, calls = 1445, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 2254 [2023-11-23 21:29:09,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:09,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:09,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:09,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:09,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:09,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:09,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:09,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:09,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (1/1) ... [2023-11-23 21:29:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:09,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:09,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864eb8c3-562e-47b8-9cac-aa3d7db584ca/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2023-11-23 21:29:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2023-11-23 21:29:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:29:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:29:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:29:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-11-23 21:29:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-11-23 21:29:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:29:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2023-11-23 21:29:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2023-11-23 21:29:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2023-11-23 21:29:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2023-11-23 21:29:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2023-11-23 21:29:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2023-11-23 21:29:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2023-11-23 21:29:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2023-11-23 21:29:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2023-11-23 21:29:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2023-11-23 21:29:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-23 21:29:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-23 21:29:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2023-11-23 21:29:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2023-11-23 21:29:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2023-11-23 21:29:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2023-11-23 21:29:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:29:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2023-11-23 21:29:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2023-11-23 21:29:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:29:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:29:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:29:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:29:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-23 21:29:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-23 21:29:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2023-11-23 21:29:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2023-11-23 21:29:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2023-11-23 21:29:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2023-11-23 21:29:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:29:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:29:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2023-11-23 21:29:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2023-11-23 21:29:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:29:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:29:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2023-11-23 21:29:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2023-11-23 21:29:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-23 21:29:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-23 21:29:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:29:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:29:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:29:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2023-11-23 21:29:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:29:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:29:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-23 21:29:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-23 21:29:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2023-11-23 21:29:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2023-11-23 21:29:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 21:29:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 21:29:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2023-11-23 21:29:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2023-11-23 21:29:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:29:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:29:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2023-11-23 21:29:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2023-11-23 21:29:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:29:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:10,286 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:10,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:52,037 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:54,427 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:54,427 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:29:54,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:54 BoogieIcfgContainer [2023-11-23 21:29:54,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:54,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:54,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:54,437 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:54,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:06" (1/3) ... [2023-11-23 21:29:54,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7389b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:54, skipping insertion in model container [2023-11-23 21:29:54,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:09" (2/3) ... [2023-11-23 21:29:54,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7389b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:54, skipping insertion in model container [2023-11-23 21:29:54,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:54" (3/3) ... [2023-11-23 21:29:54,442 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2023-11-23 21:29:54,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:54,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:54,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:54,556 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;@47845b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:54,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 442 states, 278 states have (on average 1.4064748201438848) internal successors, (391), 294 states have internal predecessors, (391), 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) [2023-11-23 21:29:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:29:54,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:54,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:54,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:54,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:54,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1492293996, now seen corresponding path program 1 times [2023-11-23 21:29:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:54,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591156924] [2023-11-23 21:29:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms