./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme --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 275849fbaca37e76eea790df33e2de383489441cc01df773179ecf6c76094336 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:50,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:50,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:56:50,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:50,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:50,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:50,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:50,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:50,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:51,005 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:51,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:51,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:51,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:51,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:51,011 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:51,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:51,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:56:51,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:51,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:51,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:56:51,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:51,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:56:51,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:51,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:51,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:51,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:51,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:56:51,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:51,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:51,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:51,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:51,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:56:51,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:51,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:51,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:51,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:51,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:56:51,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:51,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:51,023 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_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275849fbaca37e76eea790df33e2de383489441cc01df773179ecf6c76094336 [2023-11-26 11:56:51,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:51,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:51,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:51,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:51,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:51,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2023-11-26 11:56:54,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:55,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:55,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2023-11-26 11:56:55,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/data/7bb918809/de67677d4f5640cda1d1aa6333110c8e/FLAGa6dcda438 [2023-11-26 11:56:55,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/data/7bb918809/de67677d4f5640cda1d1aa6333110c8e [2023-11-26 11:56:55,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:55,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:55,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:55,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:55,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:55,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:55" (1/1) ... [2023-11-26 11:56:55,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe71a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:55, skipping insertion in model container [2023-11-26 11:56:55,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:55" (1/1) ... [2023-11-26 11:56:55,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:56,933 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_d6b8cbcc-c64d-42a1-960c-998d21e803ba/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2023-11-26 11:56:56,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:57,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:57,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2775-2776] [2023-11-26 11:56:57,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2794] [2023-11-26 11:56:57,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2797] [2023-11-26 11:56:57,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2800] [2023-11-26 11:56:57,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2803] [2023-11-26 11:56:57,142 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3806] [2023-11-26 11:56:57,143 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3828] [2023-11-26 11:56:57,263 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_d6b8cbcc-c64d-42a1-960c-998d21e803ba/sv-benchmarks/c/ldv-commit-tester/m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i[158757,158770] [2023-11-26 11:56:57,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:57,371 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:57,372 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:57,372 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:57,380 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:57,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57 WrapperNode [2023-11-26 11:56:57,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:57,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:57,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:57,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:57,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:57,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:57,751 INFO L138 Inliner]: procedures = 191, calls = 1310, calls flagged for inlining = 86, calls inlined = 86, statements flattened = 3692 [2023-11-26 11:56:57,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:57,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:57,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:57,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:57,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:57,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:57,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,756 INFO L175 MemorySlicer]: Split 655 memory accesses to 15 slices as follows [2, 5, 13, 25, 6, 12, 19, 2, 15, 2, 3, 0, 1, 21, 529]. 81 percent of accesses are in the largest equivalence class. The 189 initializations are split as follows [2, 2, 8, 25, 1, 12, 8, 0, 0, 0, 0, 0, 0, 21, 110]. The 206 writes are split as follows [0, 0, 0, 0, 0, 0, 1, 0, 12, 0, 0, 0, 0, 0, 193]. [2023-11-26 11:56:58,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:58,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:59,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:59,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:59,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:59,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:59,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (1/1) ... [2023-11-26 11:56:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:59,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:59,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8cbcc-c64d-42a1-960c-998d21e803ba/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-11-26 11:56:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-11-26 11:56:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-26 11:56:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-26 11:56:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-26 11:56:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-26 11:56:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:56:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 11:56:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 11:56:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 11:56:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 11:56:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 11:56:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 11:56:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 11:56:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 11:56:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 11:56:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 11:56:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:56:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:56:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:56:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:56:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:56:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:56:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-11-26 11:56:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-11-26 11:56:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-11-26 11:56:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-11-26 11:56:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:56:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:56:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:56:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:56:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:56:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 11:56:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-26 11:56:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-26 11:56:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-26 11:56:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:56:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:56:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:56:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:56:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:56:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 11:56:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-26 11:56:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-26 11:56:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-26 11:56:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-11-26 11:56:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-11-26 11:56:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-11-26 11:56:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-11-26 11:56:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-26 11:56:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-26 11:56:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:56:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:56:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-11-26 11:56:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-11-26 11:56:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2023-11-26 11:56:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2023-11-26 11:56:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-11-26 11:56:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-11-26 11:56:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-26 11:56:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-26 11:56:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-11-26 11:56:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-11-26 11:56:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-11-26 11:56:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-11-26 11:56:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-26 11:56:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:56:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:56:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:56:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:56:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:56:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:56:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 11:56:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 11:56:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:56:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:56:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-11-26 11:56:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-11-26 11:56:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-11-26 11:56:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-11-26 11:56:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-11-26 11:56:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-11-26 11:56:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-26 11:56:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-26 11:56:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:56:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:56:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-11-26 11:56:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-11-26 11:56:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:56:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-26 11:56:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-11-26 11:56:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-11-26 11:56:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-26 11:56:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:56:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:56:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-11-26 11:56:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-11-26 11:56:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-26 11:56:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-26 11:56:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-11-26 11:56:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-11-26 11:56:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:56:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:56:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:56:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:56:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:56:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:56:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:56:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-26 11:56:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-26 11:56:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-26 11:56:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-11-26 11:56:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-11-26 11:56:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-11-26 11:56:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-11-26 11:56:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:56:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:56:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-26 11:56:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-26 11:56:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-11-26 11:56:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-11-26 11:56:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-11-26 11:56:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-11-26 11:56:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-26 11:56:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-26 11:56:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-26 11:56:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-26 11:56:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 11:56:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 11:56:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-26 11:56:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-26 11:56:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:56:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:56:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-26 11:56:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-26 11:56:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-11-26 11:56:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-11-26 11:56:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:56:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:56:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:56:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-26 11:56:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-26 11:56:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 11:56:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 11:56:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-26 11:56:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-26 11:56:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 11:56:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 11:56:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 11:56:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 11:56:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:56:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:56:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-11-26 11:56:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-11-26 11:56:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-26 11:56:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-26 11:56:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-26 11:56:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-26 11:56:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 11:56:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 11:56:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 11:56:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 11:56:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-11-26 11:56:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-11-26 11:56:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-11-26 11:56:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-11-26 11:56:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 11:56:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 11:56:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-26 11:56:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-26 11:56:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-11-26 11:56:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-11-26 11:56:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-26 11:56:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-26 11:56:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-11-26 11:56:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:56:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:56:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:56:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:56:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:56:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-26 11:56:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-26 11:56:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-26 11:56:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-26 11:56:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 11:56:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 11:56:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-26 11:56:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-26 11:56:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-26 11:56:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-26 11:56:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 11:56:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 11:56:59,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:59,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:09,453 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:09,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:09,814 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:57:09,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:09 BoogieIcfgContainer [2023-11-26 11:57:09,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:09,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:09,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:09,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:09,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:55" (1/3) ... [2023-11-26 11:57:09,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54844b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:09, skipping insertion in model container [2023-11-26 11:57:09,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:57" (2/3) ... [2023-11-26 11:57:09,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54844b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:09, skipping insertion in model container [2023-11-26 11:57:09,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:09" (3/3) ... [2023-11-26 11:57:09,828 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-usb-gadget-g_printer-ko--106_1a--2b9ec6c-2.i [2023-11-26 11:57:09,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:09,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:57:09,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:09,961 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;@7207307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:09,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:57:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 1232 states, 805 states have (on average 1.448447204968944) internal successors, (1166), 843 states have internal predecessors, (1166), 358 states have call successors, (358), 67 states have call predecessors, (358), 67 states have return successors, (358), 355 states have call predecessors, (358), 358 states have call successors, (358) [2023-11-26 11:57:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 11:57:09,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:09,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:09,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:09,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:09,993 INFO L85 PathProgramCache]: Analyzing trace with hash 710798111, now seen corresponding path program 1 times [2023-11-26 11:57:10,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:10,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69258357] [2023-11-26 11:57:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:57:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:57:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:12,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:12,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69258357] [2023-11-26 11:57:12,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69258357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:12,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:12,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:57:12,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226141077] [2023-11-26 11:57:12,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:12,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:57:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:57:12,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:57:12,543 INFO L87 Difference]: Start difference. First operand has 1232 states, 805 states have (on average 1.448447204968944) internal successors, (1166), 843 states have internal predecessors, (1166), 358 states have call successors, (358), 67 states have call predecessors, (358), 67 states have return successors, (358), 355 states have call predecessors, (358), 358 states have call successors, (358) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:57:16,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:57:20,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:57:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:29,500 INFO L93 Difference]: Finished difference Result 4015 states and 6315 transitions. [2023-11-26 11:57:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:57:29,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-26 11:57:29,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:29,557 INFO L225 Difference]: With dead ends: 4015 [2023-11-26 11:57:29,557 INFO L226 Difference]: Without dead ends: 2783 [2023-11-26 11:57:29,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:57:29,575 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 2868 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 1025 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3213 SdHoareTripleChecker+Valid, 3191 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:29,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3213 Valid, 3191 Invalid, 2803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1025 Valid, 1776 Invalid, 2 Unknown, 0 Unchecked, 16.4s Time] [2023-11-26 11:57:29,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2023-11-26 11:57:29,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2260. [2023-11-26 11:57:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 1464 states have (on average 1.4132513661202186) internal successors, (2069), 1518 states have internal predecessors, (2069), 671 states have call successors, (671), 126 states have call predecessors, (671), 124 states have return successors, (662), 655 states have call predecessors, (662), 662 states have call successors, (662) [2023-11-26 11:57:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3402 transitions. [2023-11-26 11:57:29,935 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3402 transitions. Word has length 15 [2023-11-26 11:57:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:29,936 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3402 transitions. [2023-11-26 11:57:29,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:57:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3402 transitions. [2023-11-26 11:57:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:57:29,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:29,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:29,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:57:29,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:29,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:29,943 INFO L85 PathProgramCache]: Analyzing trace with hash 558821070, now seen corresponding path program 1 times [2023-11-26 11:57:29,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:29,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221595737] [2023-11-26 11:57:29,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:57:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:57:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:31,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:31,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221595737] [2023-11-26 11:57:31,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221595737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:31,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:31,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:57:31,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889180102] [2023-11-26 11:57:31,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:31,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:57:31,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:57:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:57:31,550 INFO L87 Difference]: Start difference. First operand 2260 states and 3402 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:57:35,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:57:39,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []