./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-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b8a328d71c4c3cf93af3193a7df5ebc43642781bad50cc06e19bf213de1dcd8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:53:33,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:33,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:53:33,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:33,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:33,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:33,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:33,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:33,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:33,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:33,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:33,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:33,355 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:33,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:33,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:53:33,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:33,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:33,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:53:33,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:33,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:53:33,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:53:33,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:33,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:33,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:33,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:33,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:33,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:33,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:33,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:53:33,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:53:33,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:53:33,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:33,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:53:33,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:33,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:33,370 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:33,371 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a328d71c4c3cf93af3193a7df5ebc43642781bad50cc06e19bf213de1dcd8f [2023-11-19 07:53:33,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:33,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:33,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:33,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:33,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:33,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 07:53:36,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:37,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:37,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 07:53:37,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/data/f6c4dfa52/be7c6c7868d8410394b915540f7161be/FLAG554e22a21 [2023-11-19 07:53:37,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/data/f6c4dfa52/be7c6c7868d8410394b915540f7161be [2023-11-19 07:53:37,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:37,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:37,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:37,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:37,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:37,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:37" (1/1) ... [2023-11-19 07:53:37,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab69281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:37, skipping insertion in model container [2023-11-19 07:53:37,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:37" (1/1) ... [2023-11-19 07:53:37,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:40,207 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_64d25b80-d8bc-4486-800e-399c81360e0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[260455,260468] [2023-11-19 07:53:40,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:40,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:53:40,534 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3635-3636] [2023-11-19 07:53:40,548 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3647-3648] [2023-11-19 07:53:40,548 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3651-3652] [2023-11-19 07:53:40,549 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3655-3656] [2023-11-19 07:53:40,549 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3659-3660] [2023-11-19 07:53:40,823 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_64d25b80-d8bc-4486-800e-399c81360e0b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[260455,260468] [2023-11-19 07:53:40,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:40,995 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:40,995 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:41,004 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:53:41,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41 WrapperNode [2023-11-19 07:53:41,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:41,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:41,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:53:41,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:53:41,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,351 INFO L138 Inliner]: procedures = 258, calls = 2881, calls flagged for inlining = 112, calls inlined = 103, statements flattened = 6705 [2023-11-19 07:53:41,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:41,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:53:41,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:53:41,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:53:41,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:53:41,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:53:41,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:53:41,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:53:41,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:41,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:53:41,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:53:41,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d25b80-d8bc-4486-800e-399c81360e0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:53:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_15 [2023-11-19 07:53:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_15 [2023-11-19 07:53:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_14 [2023-11-19 07:53:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_14 [2023-11-19 07:53:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_13 [2023-11-19 07:53:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_13 [2023-11-19 07:53:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:53:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:53:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 07:53:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 07:53:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:53:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:53:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:53:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:53:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2023-11-19 07:53:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2023-11-19 07:53:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:53:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:53:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:53:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:53:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2023-11-19 07:53:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2023-11-19 07:53:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:53:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:53:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:53:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:53:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2023-11-19 07:53:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2023-11-19 07:53:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 07:53:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 07:53:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:53:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:53:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-19 07:53:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-19 07:53:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:53:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:53:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 07:53:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 07:53:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:53:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:53:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 07:53:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 07:53:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:53:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:53:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2023-11-19 07:53:41,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2023-11-19 07:53:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2023-11-19 07:53:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2023-11-19 07:53:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:53:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:53:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:53:41,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:53:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 07:53:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 07:53:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-19 07:53:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-19 07:53:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2023-11-19 07:53:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2023-11-19 07:53:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:53:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:53:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 07:53:41,892 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 07:53:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 07:53:41,893 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 07:53:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2023-11-19 07:53:41,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2023-11-19 07:53:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:53:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-19 07:53:41,895 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-19 07:53:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:53:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2023-11-19 07:53:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2023-11-19 07:53:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:53:41,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:53:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:53:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:53:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:53:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:53:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 07:53:41,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 07:53:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:53:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:53:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2023-11-19 07:53:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2023-11-19 07:53:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2023-11-19 07:53:41,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2023-11-19 07:53:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:53:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:53:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 07:53:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 07:53:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:53:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:53:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 07:53:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 07:53:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 07:53:41,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 07:53:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2023-11-19 07:53:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2023-11-19 07:53:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2023-11-19 07:53:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2023-11-19 07:53:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2023-11-19 07:53:41,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2023-11-19 07:53:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2023-11-19 07:53:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2023-11-19 07:53:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2023-11-19 07:53:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2023-11-19 07:53:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:53:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:53:41,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:53:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2023-11-19 07:53:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2023-11-19 07:53:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-19 07:53:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-19 07:53:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 07:53:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 07:53:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 07:53:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 07:53:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:53:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 07:53:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 07:53:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2023-11-19 07:53:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2023-11-19 07:53:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2023-11-19 07:53:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2023-11-19 07:53:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2023-11-19 07:53:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2023-11-19 07:53:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2023-11-19 07:53:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2023-11-19 07:53:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:53:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:53:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2023-11-19 07:53:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2023-11-19 07:53:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 07:53:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 07:53:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:53:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:53:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:53:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:53:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:53:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2023-11-19 07:53:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2023-11-19 07:53:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:53:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:53:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2023-11-19 07:53:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2023-11-19 07:53:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2023-11-19 07:53:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2023-11-19 07:53:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:53:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2023-11-19 07:53:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2023-11-19 07:53:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:53:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:53:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 07:53:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 07:53:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:53:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 07:53:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 07:53:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:53:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2023-11-19 07:53:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2023-11-19 07:53:41,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:53:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:53:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-19 07:53:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-19 07:53:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2023-11-19 07:53:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2023-11-19 07:53:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 07:53:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 07:53:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2023-11-19 07:53:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2023-11-19 07:53:41,967 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 07:53:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 07:53:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 07:53:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 07:53:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:53:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:53:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:53:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:53:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:53:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:53:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2023-11-19 07:53:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2023-11-19 07:53:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 07:53:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 07:53:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:53:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:53:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:53:42,742 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:53:42,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:53:43,756 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:54:01,381 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:01,413 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:01,414 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:54:01,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:01 BoogieIcfgContainer [2023-11-19 07:54:01,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:01,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:01,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:01,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:01,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:37" (1/3) ... [2023-11-19 07:54:01,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb1e5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:01, skipping insertion in model container [2023-11-19 07:54:01,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (2/3) ... [2023-11-19 07:54:01,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb1e5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:01, skipping insertion in model container [2023-11-19 07:54:01,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:01" (3/3) ... [2023-11-19 07:54:01,447 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 07:54:01,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:01,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:01,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:01,634 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=PETRI_NET, 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;@5b11d9d3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:01,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 1884 states, 1321 states have (on average 1.4367903103709312) internal successors, (1898), 1373 states have internal predecessors, (1898), 476 states have call successors, (476), 86 states have call predecessors, (476), 85 states have return successors, (469), 455 states have call predecessors, (469), 469 states have call successors, (469) [2023-11-19 07:54:01,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:54:01,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:01,723 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:01,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:01,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:01,732 INFO L85 PathProgramCache]: Analyzing trace with hash -283169599, now seen corresponding path program 1 times [2023-11-19 07:54:01,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:01,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661635309] [2023-11-19 07:54:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:54:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:54:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:54:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:54:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:54:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 07:54:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:54:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:54:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:54:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:54:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:54:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-19 07:54:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-19 07:54:03,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:03,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661635309] [2023-11-19 07:54:03,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661635309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:03,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:03,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:54:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940125014] [2023-11-19 07:54:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:03,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:54:03,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:03,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:54:03,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:54:03,359 INFO L87 Difference]: Start difference. First operand has 1884 states, 1321 states have (on average 1.4367903103709312) internal successors, (1898), 1373 states have internal predecessors, (1898), 476 states have call successors, (476), 86 states have call predecessors, (476), 85 states have return successors, (469), 455 states have call predecessors, (469), 469 states have call successors, (469) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:54:07,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:08,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:11,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:13,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:18,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:20,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:22,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:24,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:26,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:29,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:31,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []