./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--isdn--hisax--hfc_usb.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_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/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_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/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--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/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_cf033eaf-5efd-4850-960d-eef01bc6090b/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 8cfca91e359676f221b9d3196f23901e359124e72b956d963114c00faf4f7248 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:27,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:27,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:30:27,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:27,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:27,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:27,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:27,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:27,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:27,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:27,762 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:27,763 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:27,764 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:27,764 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:30:27,766 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:27,767 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:27,767 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:30:27,767 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:30:27,768 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:27,768 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:30:27,768 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:30:27,773 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:30:27,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:27,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:27,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:30:27,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:27,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:27,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:27,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:27,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:27,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:27,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:27,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:27,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:27,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:27,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:27,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:27,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:27,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:27,780 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:30:27,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:30:27,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:27,781 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:27,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:27,782 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_cf033eaf-5efd-4850-960d-eef01bc6090b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cfca91e359676f221b9d3196f23901e359124e72b956d963114c00faf4f7248 [2024-11-02 12:30:28,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:30:28,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:30:28,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:30:28,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:30:28,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:30:28,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:30:30,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:30:31,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:30:31,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2024-11-02 12:30:31,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/data/8a36d75b0/417b2eb43afa4b98a9c4ad250b26ea93/FLAG6c8779c19 [2024-11-02 12:30:31,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/data/8a36d75b0/417b2eb43afa4b98a9c4ad250b26ea93 [2024-11-02 12:30:31,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:30:31,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:30:31,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:31,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:30:31,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:30:31,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753bba44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31, skipping insertion in model container [2024-11-02 12:30:31,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:30:31,965 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2024-11-02 12:30:31,966 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2024-11-02 12:30:32,122 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_cf033eaf-5efd-4850-960d-eef01bc6090b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2024-11-02 12:30:32,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:33,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:30:33,228 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2024-11-02 12:30:33,228 WARN L1334 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2024-11-02 12:30:33,235 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_cf033eaf-5efd-4850-960d-eef01bc6090b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2024-11-02 12:30:33,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:33,583 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:30:33,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33 WrapperNode [2024-11-02 12:30:33,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:33,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:33,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:30:33,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:30:33,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,814 INFO L138 Inliner]: procedures = 151, calls = 1537, calls flagged for inlining = 53, calls inlined = 38, statements flattened = 2394 [2024-11-02 12:30:33,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:33,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:30:33,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:30:33,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:30:33,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:33,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:34,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:30:34,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:30:34,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:30:34,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:30:34,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (1/1) ... [2024-11-02 12:30:34,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:34,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:34,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:30:34,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf033eaf-5efd-4850-960d-eef01bc6090b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:30:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:30:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-02 12:30:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-02 12:30:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2024-11-02 12:30:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2024-11-02 12:30:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:30:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:30:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:30:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:30:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:30:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2024-11-02 12:30:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2024-11-02 12:30:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2024-11-02 12:30:34,091 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2024-11-02 12:30:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:30:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:30:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-02 12:30:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-02 12:30:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:30:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:30:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-02 12:30:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-02 12:30:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-02 12:30:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-02 12:30:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:30:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:30:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2024-11-02 12:30:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2024-11-02 12:30:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:30:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:30:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:30:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:30:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:30:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:30:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:30:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-02 12:30:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-02 12:30:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2024-11-02 12:30:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2024-11-02 12:30:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:30:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-02 12:30:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-02 12:30:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:30:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2024-11-02 12:30:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-02 12:30:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-02 12:30:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-02 12:30:34,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-02 12:30:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2024-11-02 12:30:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure queue_control_request [2024-11-02 12:30:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_control_request [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:30:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:30:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-02 12:30:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2024-11-02 12:30:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-02 12:30:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-02 12:30:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:30:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:30:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:30:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:30:34,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:30:34,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:30:35,039 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:30:46,636 INFO L? ?]: Removed 620 outVars from TransFormulas that were not future-live. [2024-11-02 12:30:46,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:30:47,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:30:47,497 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:30:47,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:47 BoogieIcfgContainer [2024-11-02 12:30:47,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:30:47,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:30:47,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:30:47,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:30:47,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:30:31" (1/3) ... [2024-11-02 12:30:47,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245a216e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:47, skipping insertion in model container [2024-11-02 12:30:47,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:33" (2/3) ... [2024-11-02 12:30:47,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245a216e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:47, skipping insertion in model container [2024-11-02 12:30:47,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:47" (3/3) ... [2024-11-02 12:30:47,510 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2024-11-02 12:30:47,531 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:30:47,531 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:30:47,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:30:47,637 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;@4aac7d56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:30:47,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:30:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 274 states have (on average 1.354014598540146) internal successors, (371), 290 states have internal predecessors, (371), 126 states have call successors, (126), 30 states have call predecessors, (126), 29 states have return successors, (123), 116 states have call predecessors, (123), 123 states have call successors, (123) [2024-11-02 12:30:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-02 12:30:47,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:47,676 INFO L215 NwaCegarLoop]: trace histogram [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 12:30:47,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:47,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:47,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1954891348, now seen corresponding path program 1 times [2024-11-02 12:30:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:30:47,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120764626] [2024-11-02 12:30:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms