./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-32_7a-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_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/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_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/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_78575783-01fe-4555-bc58-72d0e3c5889b/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 2753d752216607180728226381b5a5c2bb1273cd3c02dbf53b55cd0db95c4306 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:54,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:55,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:00:55,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:55,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:55,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:55,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:55,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:55,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:55,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:55,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:55,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:55,096 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:55,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:55,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:55,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:55,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:55,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:55,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:55,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:55,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:55,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:55,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:55,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:55,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:55,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:55,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:55,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:55,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:55,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:55,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:55,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:55,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:55,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:55,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:55,114 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:55,115 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_78575783-01fe-4555-bc58-72d0e3c5889b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2753d752216607180728226381b5a5c2bb1273cd3c02dbf53b55cd0db95c4306 [2023-11-19 08:00:55,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:55,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:55,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:55,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:55,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:55,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:00:58,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:59,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:59,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:00:59,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/data/737ac2e02/080dfd07181d43dc93248927d9ef6f7b/FLAGf71ac57d5 [2023-11-19 08:00:59,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/data/737ac2e02/080dfd07181d43dc93248927d9ef6f7b [2023-11-19 08:00:59,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:59,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:59,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:59,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:59,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:59,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:59" (1/1) ... [2023-11-19 08:00:59,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4064c699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:59, skipping insertion in model container [2023-11-19 08:00:59,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:59" (1/1) ... [2023-11-19 08:00:59,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:01,786 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_78575783-01fe-4555-bc58-72d0e3c5889b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2023-11-19 08:01:02,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:02,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:02,262 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"); [3628-3629] [2023-11-19 08:01:02,265 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"); [3640-3641] [2023-11-19 08:01:02,265 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"); [3644-3645] [2023-11-19 08:01:02,266 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"); [3648-3649] [2023-11-19 08:01:02,266 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"); [3652-3653] [2023-11-19 08:01:02,688 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_78575783-01fe-4555-bc58-72d0e3c5889b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2023-11-19 08:01:02,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:02,847 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:02,847 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:02,855 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:02,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02 WrapperNode [2023-11-19 08:01:02,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:02,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:02,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:02,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:02,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,328 INFO L138 Inliner]: procedures = 384, calls = 3117, calls flagged for inlining = 182, calls inlined = 150, statements flattened = 7306 [2023-11-19 08:01:03,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:03,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:03,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:03,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:03,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:03,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:03,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:03,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:03,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (1/1) ... [2023-11-19 08:01:03,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:03,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:03,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:03,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78575783-01fe-4555-bc58-72d0e3c5889b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 08:01:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 08:01:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 08:01:03,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 08:01:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 08:01:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 08:01:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 08:01:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 08:01:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2023-11-19 08:01:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2023-11-19 08:01:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:01:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:01:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:01:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:01:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2023-11-19 08:01:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2023-11-19 08:01:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:01:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:01:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 08:01:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 08:01:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2023-11-19 08:01:03,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2023-11-19 08:01:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 08:01:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 08:01:03,786 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 08:01:03,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 08:01:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-19 08:01:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-19 08:01:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2023-11-19 08:01:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2023-11-19 08:01:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:01:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:01:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 08:01:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 08:01:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:01:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:01:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 08:01:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 08:01:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 08:01:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 08:01:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2023-11-19 08:01:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2023-11-19 08:01:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2023-11-19 08:01:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2023-11-19 08:01:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:01:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:01:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:01:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 08:01:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 08:01:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-19 08:01:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-19 08:01:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2023-11-19 08:01:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2023-11-19 08:01:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:01:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 08:01:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 08:01:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 08:01:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-19 08:01:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-19 08:01:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2023-11-19 08:01:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2023-11-19 08:01:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ftdi_module_lock [2023-11-19 08:01:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ftdi_module_lock [2023-11-19 08:01:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-19 08:01:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-19 08:01:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:01:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2023-11-19 08:01:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2023-11-19 08:01:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:01:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:01:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 08:01:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 08:01:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 08:01:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 08:01:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 08:01:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 08:01:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:01:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:01:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2023-11-19 08:01:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2023-11-19 08:01:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2023-11-19 08:01:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2023-11-19 08:01:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 08:01:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 08:01:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 08:01:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 08:01:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 08:01:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 08:01:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 08:01:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 08:01:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2023-11-19 08:01:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2023-11-19 08:01:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2023-11-19 08:01:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2023-11-19 08:01:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2023-11-19 08:01:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2023-11-19 08:01:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2023-11-19 08:01:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2023-11-19 08:01:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2023-11-19 08:01:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2023-11-19 08:01:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:01:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 08:01:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 08:01:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2023-11-19 08:01:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2023-11-19 08:01:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-19 08:01:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-19 08:01:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 08:01:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 08:01:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 08:01:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 08:01:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:01:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 08:01:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 08:01:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2023-11-19 08:01:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2023-11-19 08:01:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2023-11-19 08:01:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2023-11-19 08:01:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2023-11-19 08:01:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2023-11-19 08:01:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2023-11-19 08:01:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2023-11-19 08:01:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 08:01:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 08:01:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2023-11-19 08:01:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2023-11-19 08:01:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 08:01:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 08:01:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 08:01:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 08:01:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:01:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:01:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_89 [2023-11-19 08:01:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_89 [2023-11-19 08:01:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_88 [2023-11-19 08:01:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_88 [2023-11-19 08:01:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_87 [2023-11-19 08:01:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_87 [2023-11-19 08:01:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2023-11-19 08:01:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2023-11-19 08:01:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:01:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:01:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2023-11-19 08:01:03,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2023-11-19 08:01:03,809 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2023-11-19 08:01:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2023-11-19 08:01:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:01:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2023-11-19 08:01:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2023-11-19 08:01:03,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:01:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:01:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 08:01:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 08:01:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2023-11-19 08:01:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2023-11-19 08:01:03,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 08:01:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 08:01:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:01:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2023-11-19 08:01:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2023-11-19 08:01:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:01:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:01:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-19 08:01:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-19 08:01:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2023-11-19 08:01:03,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2023-11-19 08:01:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 08:01:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 08:01:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2023-11-19 08:01:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2023-11-19 08:01:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 08:01:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 08:01:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 08:01:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 08:01:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 08:01:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 08:01:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:01:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:01:03,815 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:01:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:01:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2023-11-19 08:01:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2023-11-19 08:01:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ftdi_module_lock [2023-11-19 08:01:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ftdi_module_lock [2023-11-19 08:01:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 08:01:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 08:01:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:03,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:04,648 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:04,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:05,607 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:01:21,206 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:21,241 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:21,242 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:21,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:21 BoogieIcfgContainer [2023-11-19 08:01:21,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:21,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:21,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:21,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:21,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:59" (1/3) ... [2023-11-19 08:01:21,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a1bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:21, skipping insertion in model container [2023-11-19 08:01:21,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:02" (2/3) ... [2023-11-19 08:01:21,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a1bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:21, skipping insertion in model container [2023-11-19 08:01:21,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:21" (3/3) ... [2023-11-19 08:01:21,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2023-11-19 08:01:21,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:21,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:21,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:21,411 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;@1e3de97c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:21,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 2002 states, 1380 states have (on average 1.423913043478261) internal successors, (1965), 1433 states have internal predecessors, (1965), 531 states have call successors, (531), 90 states have call predecessors, (531), 89 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) [2023-11-19 08:01:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 08:01:21,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:21,456 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:01:21,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:21,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1103126433, now seen corresponding path program 1 times [2023-11-19 08:01:21,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:21,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047398532] [2023-11-19 08:01:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:21,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:01:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:01:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:01:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:01:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:01:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 08:01:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 08:01:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 08:01:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-19 08:01:22,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:22,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047398532] [2023-11-19 08:01:22,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047398532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:22,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:22,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:22,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493527550] [2023-11-19 08:01:22,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:22,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:22,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:23,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:23,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:23,050 INFO L87 Difference]: Start difference. First operand has 2002 states, 1380 states have (on average 1.423913043478261) internal successors, (1965), 1433 states have internal predecessors, (1965), 531 states have call successors, (531), 90 states have call predecessors, (531), 89 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 08:01:28,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:29,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:35,952 WARN L539 Checker$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 08:01:37,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:39,969 WARN L539 Checker$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 08:01:44,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:47,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:01:52,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []