./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje --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 2ee6df7b9d6b521b284c0499afcee3354b7f93e2326658538454eb87078da75e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:23:52,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:23:52,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:23:52,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:23:52,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:23:52,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:23:52,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:23:52,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:23:52,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:23:52,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:23:52,470 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:23:52,470 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:23:52,470 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:23:52,473 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:23:52,474 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:23:52,477 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:23:52,477 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:23:52,478 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:23:52,478 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:23:52,478 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:23:52,479 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:23:52,483 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:23:52,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:23:52,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:23:52,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:23:52,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:23:52,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:23:52,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:23:52,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:23:52,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:23:52,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:23:52,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:23:52,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:23:52,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:23:52,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:23:52,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:23:52,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:23:52,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:23:52,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:23:52,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:23:52,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:23:52,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:23:52,501 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:23:52,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:23:52,501 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_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ee6df7b9d6b521b284c0499afcee3354b7f93e2326658538454eb87078da75e [2024-11-09 07:23:52,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:23:52,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:23:52,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:23:52,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:23:52,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:23:52,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 07:23:55,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:23:55,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:23:55,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2024-11-09 07:23:55,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/data/e3d43326d/9e97530b0fd64a008f92f49b1c51a75c/FLAGe4bccf0fd [2024-11-09 07:23:55,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/data/e3d43326d/9e97530b0fd64a008f92f49b1c51a75c [2024-11-09 07:23:55,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:23:55,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:23:55,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:55,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:23:55,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:23:55,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:55" (1/1) ... [2024-11-09 07:23:55,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1578781f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:55, skipping insertion in model container [2024-11-09 07:23:55,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:23:55" (1/1) ... [2024-11-09 07:23:55,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:23:58,655 WARN L250 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_1143e07d-73b9-428a-be59-83e35f785b81/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2024-11-09 07:23:58,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:58,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:23:58,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4108] [2024-11-09 07:23:58,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4239] [2024-11-09 07:23:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4242] [2024-11-09 07:23:58,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4245] [2024-11-09 07:23:58,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4248] [2024-11-09 07:23:58,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4270] [2024-11-09 07:23:58,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4277] [2024-11-09 07:23:59,544 WARN L250 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_1143e07d-73b9-428a-be59-83e35f785b81/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2024-11-09 07:23:59,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:23:59,662 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:23:59,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59 WrapperNode [2024-11-09 07:23:59,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:23:59,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:23:59,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:23:59,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:23:59,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:23:59,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,227 INFO L138 Inliner]: procedures = 204, calls = 6135, calls flagged for inlining = 79, calls inlined = 76, statements flattened = 12072 [2024-11-09 07:24:00,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:24:00,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:24:00,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:24:00,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:24:00,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:24:00,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:24:00,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:24:00,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:24:00,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (1/1) ... [2024-11-09 07:24:00,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:24:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:24:01,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:24:01,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1143e07d-73b9-428a-be59-83e35f785b81/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:24:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-09 07:24:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-09 07:24:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2024-11-09 07:24:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2024-11-09 07:24:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2024-11-09 07:24:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2024-11-09 07:24:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:24:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:24:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 07:24:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 07:24:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 07:24:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 07:24:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2024-11-09 07:24:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2024-11-09 07:24:01,053 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2024-11-09 07:24:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2024-11-09 07:24:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2024-11-09 07:24:01,054 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2024-11-09 07:24:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2024-11-09 07:24:01,055 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2024-11-09 07:24:01,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2024-11-09 07:24:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2024-11-09 07:24:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 07:24:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 07:24:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-09 07:24:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-09 07:24:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:24:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:24:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-09 07:24:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-09 07:24:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-09 07:24:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-09 07:24:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2024-11-09 07:24:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2024-11-09 07:24:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2024-11-09 07:24:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2024-11-09 07:24:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-09 07:24:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-09 07:24:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 07:24:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 07:24:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-09 07:24:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-09 07:24:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2024-11-09 07:24:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2024-11-09 07:24:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 07:24:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 07:24:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 07:24:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 07:24:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:24:01,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:24:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2024-11-09 07:24:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2024-11-09 07:24:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-09 07:24:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-09 07:24:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2024-11-09 07:24:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2024-11-09 07:24:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 07:24:01,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 07:24:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2024-11-09 07:24:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2024-11-09 07:24:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2024-11-09 07:24:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2024-11-09 07:24:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:24:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2024-11-09 07:24:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2024-11-09 07:24:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2024-11-09 07:24:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2024-11-09 07:24:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:24:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-09 07:24:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-09 07:24:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 07:24:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 07:24:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:24:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:24:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2024-11-09 07:24:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2024-11-09 07:24:01,067 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2024-11-09 07:24:01,067 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2024-11-09 07:24:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 07:24:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 07:24:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2024-11-09 07:24:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2024-11-09 07:24:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2024-11-09 07:24:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2024-11-09 07:24:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 07:24:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 07:24:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 07:24:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 07:24:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2024-11-09 07:24:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2024-11-09 07:24:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 07:24:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 07:24:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-09 07:24:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-09 07:24:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2024-11-09 07:24:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2024-11-09 07:24:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:24:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 07:24:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 07:24:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:24:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2024-11-09 07:24:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2024-11-09 07:24:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2024-11-09 07:24:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2024-11-09 07:24:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2024-11-09 07:24:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2024-11-09 07:24:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2024-11-09 07:24:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2024-11-09 07:24:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:24:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-09 07:24:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-09 07:24:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2024-11-09 07:24:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2024-11-09 07:24:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2024-11-09 07:24:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2024-11-09 07:24:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:24:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:24:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2024-11-09 07:24:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2024-11-09 07:24:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 07:24:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 07:24:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-09 07:24:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-09 07:24:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 07:24:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 07:24:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2024-11-09 07:24:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2024-11-09 07:24:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 07:24:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 07:24:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2024-11-09 07:24:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2024-11-09 07:24:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:24:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 07:24:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 07:24:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 07:24:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 07:24:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2024-11-09 07:24:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2024-11-09 07:24:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2024-11-09 07:24:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2024-11-09 07:24:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 07:24:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 07:24:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2024-11-09 07:24:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2024-11-09 07:24:01,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 07:24:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 07:24:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:24:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 07:24:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2024-11-09 07:24:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 07:24:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 07:24:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 07:24:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 07:24:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 07:24:01,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 07:24:01,141 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2024-11-09 07:24:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-09 07:24:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-09 07:24:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2024-11-09 07:24:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-09 07:24:01,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-09 07:24:01,142 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2024-11-09 07:24:01,143 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2024-11-09 07:24:01,143 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-09 07:24:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-09 07:24:01,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:24:01,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:24:02,232 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:24:02,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:24:03,691 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 07:24:54,479 INFO L? ?]: Removed 2359 outVars from TransFormulas that were not future-live. [2024-11-09 07:24:54,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:24:58,565 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:24:58,566 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:24:58,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:24:58 BoogieIcfgContainer [2024-11-09 07:24:58,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:24:58,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:24:58,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:24:58,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:24:58,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:23:55" (1/3) ... [2024-11-09 07:24:58,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7de823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:24:58, skipping insertion in model container [2024-11-09 07:24:58,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:23:59" (2/3) ... [2024-11-09 07:24:58,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7de823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:24:58, skipping insertion in model container [2024-11-09 07:24:58,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:24:58" (3/3) ... [2024-11-09 07:24:58,580 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2024-11-09 07:24:58,601 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:24:58,601 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:24:58,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:24:58,765 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;@371adad7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:24:58,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:24:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 2898 states, 1909 states have (on average 1.3865898376113148) internal successors, (2647), 1927 states have internal predecessors, (2647), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 894 states have call predecessors, (896), 896 states have call successors, (896) [2024-11-09 07:24:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-09 07:24:58,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:24:58,837 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:24:58,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:24:58,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:24:58,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1675644856, now seen corresponding path program 1 times [2024-11-09 07:24:58,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:24:58,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344519552] [2024-11-09 07:24:58,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:24:58,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:34:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:34:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2024-11-09 07:34:48,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:34:48,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344519552] [2024-11-09 07:34:48,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344519552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:34:48,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:34:48,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:34:48,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599886248] [2024-11-09 07:34:48,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:34:48,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:34:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:34:48,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:34:48,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:34:48,088 INFO L87 Difference]: Start difference. First operand has 2898 states, 1909 states have (on average 1.3865898376113148) internal successors, (2647), 1927 states have internal predecessors, (2647), 902 states have call successors, (902), 86 states have call predecessors, (902), 85 states have return successors, (896), 894 states have call predecessors, (896), 896 states have call successors, (896) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 07:34:51,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:34:52,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:35:08,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:35:09,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:35:09,469 INFO L93 Difference]: Finished difference Result 8284 states and 13052 transitions. [2024-11-09 07:35:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:35:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 413 [2024-11-09 07:35:09,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:35:09,574 INFO L225 Difference]: With dead ends: 8284 [2024-11-09 07:35:09,574 INFO L226 Difference]: Without dead ends: 5454 [2024-11-09 07:35:09,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:35:09,639 INFO L432 NwaCegarLoop]: 4248 mSDtfsCounter, 4035 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4035 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:35:09,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4035 Valid, 8171 Invalid, 591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 1 Unknown, 0 Unchecked, 20.8s Time] [2024-11-09 07:35:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5454 states. [2024-11-09 07:35:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5454 to 5450. [2024-11-09 07:35:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5450 states, 3604 states have (on average 1.379023307436182) internal successors, (4970), 3625 states have internal predecessors, (4970), 1678 states have call successors, (1678), 168 states have call predecessors, (1678), 167 states have return successors, (1677), 1672 states have call predecessors, (1677), 1677 states have call successors, (1677) [2024-11-09 07:35:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 8325 transitions. [2024-11-09 07:35:10,343 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 8325 transitions. Word has length 413 [2024-11-09 07:35:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:35:10,349 INFO L471 AbstractCegarLoop]: Abstraction has 5450 states and 8325 transitions. [2024-11-09 07:35:10,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2024-11-09 07:35:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 8325 transitions. [2024-11-09 07:35:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-09 07:35:10,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:35:10,369 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:35:10,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:35:10,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:35:10,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:35:10,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1364272747, now seen corresponding path program 1 times [2024-11-09 07:35:10,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:35:10,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758884968] [2024-11-09 07:35:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:35:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms