./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--host--r8a66597-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl --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 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:39,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:39,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:17:39,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:39,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:40,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:40,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:40,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:40,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:40,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:40,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:40,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:40,014 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:40,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:40,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:17:40,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:40,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:40,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:17:40,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:40,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:17:40,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:17:40,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:40,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:40,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:40,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:40,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:40,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:40,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:40,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:17:40,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:17:40,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:17:40,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:40,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:17:40,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:40,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:40,028 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:40,029 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_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb [2023-11-12 02:17:40,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:40,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:40,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:40,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:40,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:40,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-12 02:17:43,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:44,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:44,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-12 02:17:44,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/data/b6e8b3b86/6671d33c0def4121951d0e08c8d803cb/FLAGeab7a1f0d [2023-11-12 02:17:44,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/data/b6e8b3b86/6671d33c0def4121951d0e08c8d803cb [2023-11-12 02:17:44,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:44,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:44,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:44,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:44,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:44,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:44" (1/1) ... [2023-11-12 02:17:44,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c13107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:44, skipping insertion in model container [2023-11-12 02:17:44,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:44" (1/1) ... [2023-11-12 02:17:44,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:46,428 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_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2023-11-12 02:17:46,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:46,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9076/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/r8a66597-hcd.c"), "i" (1211), "i" (12UL)); [5963-5964] [2023-11-12 02:17:46,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9076/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/r8a66597-hcd.c"), "i" (1261), "i" (12UL)); [6027-6028] [2023-11-12 02:17:47,211 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_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2023-11-12 02:17:47,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:47,355 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:47,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47 WrapperNode [2023-11-12 02:17:47,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:47,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:47,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:47,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:47,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:47,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:47,856 INFO L138 Inliner]: procedures = 339, calls = 2033, calls flagged for inlining = 136, calls inlined = 132, statements flattened = 6004 [2023-11-12 02:17:47,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:47,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:47,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:47,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:47,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:47,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:47,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:47,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:48,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:48,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:48,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:48,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (1/1) ... [2023-11-12 02:17:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:48,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:48,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:48,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d977d5-3a3c-4d09-b0e0-485f4e940fc7/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2023-11-12 02:17:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2023-11-12 02:17:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2023-11-12 02:17:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2023-11-12 02:17:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2023-11-12 02:17:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2023-11-12 02:17:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 02:17:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 02:17:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2023-11-12 02:17:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2023-11-12 02:17:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:17:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:17:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:17:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:17:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:17:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:17:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2023-11-12 02:17:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2023-11-12 02:17:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2023-11-12 02:17:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2023-11-12 02:17:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2023-11-12 02:17:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2023-11-12 02:17:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2023-11-12 02:17:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2023-11-12 02:17:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2023-11-12 02:17:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2023-11-12 02:17:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2023-11-12 02:17:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2023-11-12 02:17:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:17:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:17:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-12 02:17:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-12 02:17:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2023-11-12 02:17:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2023-11-12 02:17:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:17:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:17:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-12 02:17:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-12 02:17:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2023-11-12 02:17:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2023-11-12 02:17:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2023-11-12 02:17:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2023-11-12 02:17:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2023-11-12 02:17:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2023-11-12 02:17:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:17:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:17:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2023-11-12 02:17:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2023-11-12 02:17:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2023-11-12 02:17:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2023-11-12 02:17:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2023-11-12 02:17:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2023-11-12 02:17:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 02:17:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 02:17:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2023-11-12 02:17:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2023-11-12 02:17:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:17:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:17:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2023-11-12 02:17:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2023-11-12 02:17:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2023-11-12 02:17:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2023-11-12 02:17:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2023-11-12 02:17:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2023-11-12 02:17:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:17:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:17:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-12 02:17:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-12 02:17:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2023-11-12 02:17:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2023-11-12 02:17:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-12 02:17:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-12 02:17:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2023-11-12 02:17:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2023-11-12 02:17:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2023-11-12 02:17:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2023-11-12 02:17:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2023-11-12 02:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2023-11-12 02:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-12 02:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-12 02:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2023-11-12 02:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2023-11-12 02:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2023-11-12 02:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2023-11-12 02:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2023-11-12 02:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2023-11-12 02:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2023-11-12 02:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2023-11-12 02:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2023-11-12 02:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2023-11-12 02:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-12 02:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-12 02:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-12 02:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-12 02:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2023-11-12 02:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2023-11-12 02:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2023-11-12 02:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2023-11-12 02:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2023-11-12 02:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2023-11-12 02:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:17:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2023-11-12 02:17:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2023-11-12 02:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2023-11-12 02:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2023-11-12 02:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2023-11-12 02:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2023-11-12 02:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2023-11-12 02:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2023-11-12 02:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2023-11-12 02:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2023-11-12 02:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-12 02:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-12 02:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2023-11-12 02:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2023-11-12 02:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-12 02:17:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-12 02:17:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2023-11-12 02:17:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2023-11-12 02:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 02:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 02:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-12 02:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-12 02:17:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2023-11-12 02:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2023-11-12 02:17:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-12 02:17:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-12 02:17:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2023-11-12 02:17:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2023-11-12 02:17:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:17:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2023-11-12 02:17:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2023-11-12 02:17:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2023-11-12 02:17:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2023-11-12 02:17:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2023-11-12 02:17:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2023-11-12 02:17:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2023-11-12 02:17:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2023-11-12 02:17:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2023-11-12 02:17:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2023-11-12 02:17:48,412 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2023-11-12 02:17:48,412 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2023-11-12 02:17:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-12 02:17:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-12 02:17:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2023-11-12 02:17:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2023-11-12 02:17:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2023-11-12 02:17:48,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2023-11-12 02:17:48,413 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2023-11-12 02:17:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2023-11-12 02:17:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2023-11-12 02:17:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2023-11-12 02:17:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:17:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:17:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2023-11-12 02:17:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2023-11-12 02:17:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:17:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:17:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2023-11-12 02:17:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2023-11-12 02:17:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:17:48,415 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:17:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:17:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2023-11-12 02:17:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2023-11-12 02:17:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2023-11-12 02:17:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2023-11-12 02:17:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:17:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:17:48,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2023-11-12 02:17:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2023-11-12 02:17:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:17:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:17:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2023-11-12 02:17:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2023-11-12 02:17:48,417 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-12 02:17:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-12 02:17:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:17:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2023-11-12 02:17:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2023-11-12 02:17:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:17:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:17:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:48,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:17:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:17:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:17:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-12 02:17:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-12 02:17:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2023-11-12 02:17:48,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2023-11-12 02:17:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2023-11-12 02:17:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2023-11-12 02:17:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:17:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:17:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2023-11-12 02:17:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2023-11-12 02:17:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2023-11-12 02:17:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2023-11-12 02:17:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-12 02:17:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-12 02:17:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2023-11-12 02:17:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2023-11-12 02:17:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2023-11-12 02:17:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2023-11-12 02:17:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:17:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:17:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2023-11-12 02:17:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2023-11-12 02:17:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 02:17:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 02:17:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:17:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:17:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2023-11-12 02:17:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2023-11-12 02:17:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:17:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2023-11-12 02:17:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2023-11-12 02:17:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2023-11-12 02:17:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2023-11-12 02:17:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:17:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2023-11-12 02:17:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2023-11-12 02:17:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:17:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:17:49,422 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:17:49,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:50,827 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:17:55,954 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:55,993 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:55,993 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:17:56,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:55 BoogieIcfgContainer [2023-11-12 02:17:56,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:56,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:56,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:56,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:56,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:44" (1/3) ... [2023-11-12 02:17:56,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f46d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:56, skipping insertion in model container [2023-11-12 02:17:56,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:47" (2/3) ... [2023-11-12 02:17:56,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f46d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:56, skipping insertion in model container [2023-11-12 02:17:56,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:55" (3/3) ... [2023-11-12 02:17:56,014 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-12 02:17:56,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:56,039 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:17:56,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:56,181 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;@134cf01, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:56,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:17:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 2603 states, 1824 states have (on average 1.431469298245614) internal successors, (2611), 1920 states have internal predecessors, (2611), 660 states have call successors, (660), 118 states have call predecessors, (660), 117 states have return successors, (652), 625 states have call predecessors, (652), 652 states have call successors, (652) [2023-11-12 02:17:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:17:56,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:56,243 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:56,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:56,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:56,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1062873973, now seen corresponding path program 1 times [2023-11-12 02:17:56,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:56,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761357431] [2023-11-12 02:17:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:56,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:17:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:17:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:17:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:17:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:17:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:17:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:17:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:17:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:17:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:17:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:17:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-12 02:17:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761357431] [2023-11-12 02:17:57,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761357431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:57,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:57,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:17:57,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799658685] [2023-11-12 02:17:57,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:57,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:17:57,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:17:57,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:17:57,397 INFO L87 Difference]: Start difference. First operand has 2603 states, 1824 states have (on average 1.431469298245614) internal successors, (2611), 1920 states have internal predecessors, (2611), 660 states have call successors, (660), 118 states have call predecessors, (660), 117 states have return successors, (652), 625 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:18:07,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:07,972 INFO L93 Difference]: Finished difference Result 5794 states and 8969 transitions. [2023-11-12 02:18:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:18:07,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2023-11-12 02:18:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:08,045 INFO L225 Difference]: With dead ends: 5794 [2023-11-12 02:18:08,045 INFO L226 Difference]: Without dead ends: 3179 [2023-11-12 02:18:08,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:18:08,084 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 3002 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 2995 mSolverCounterSat, 2337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3045 SdHoareTripleChecker+Valid, 5266 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2337 IncrementalHoareTripleChecker+Valid, 2995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:08,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3045 Valid, 5266 Invalid, 5332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2337 Valid, 2995 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-12 02:18:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2023-11-12 02:18:08,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 2586. [2023-11-12 02:18:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2586 states, 1817 states have (on average 1.4199229499174464) internal successors, (2580), 1903 states have internal predecessors, (2580), 652 states have call successors, (652), 117 states have call predecessors, (652), 116 states have return successors, (649), 622 states have call predecessors, (649), 649 states have call successors, (649) [2023-11-12 02:18:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 3881 transitions. [2023-11-12 02:18:08,424 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 3881 transitions. Word has length 135 [2023-11-12 02:18:08,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:08,425 INFO L495 AbstractCegarLoop]: Abstraction has 2586 states and 3881 transitions. [2023-11-12 02:18:08,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:18:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3881 transitions. [2023-11-12 02:18:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:18:08,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:08,444 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:08,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:18:08,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:08,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash 8246191, now seen corresponding path program 1 times [2023-11-12 02:18:08,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734559863] [2023-11-12 02:18:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:18:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:18:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:18:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:18:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:18:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:18:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:18:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:18:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-12 02:18:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-12 02:18:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:18:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-12 02:18:09,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734559863] [2023-11-12 02:18:09,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734559863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:09,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:09,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:18:09,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208811164] [2023-11-12 02:18:09,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:09,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:18:09,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:09,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:18:09,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:18:09,273 INFO L87 Difference]: Start difference. First operand 2586 states and 3881 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-12 02:18:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:27,156 INFO L93 Difference]: Finished difference Result 8856 states and 13561 transitions. [2023-11-12 02:18:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:18:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 135 [2023-11-12 02:18:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:27,230 INFO L225 Difference]: With dead ends: 8856 [2023-11-12 02:18:27,230 INFO L226 Difference]: Without dead ends: 6299 [2023-11-12 02:18:27,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:18:27,272 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 9496 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 5560 mSolverCounterSat, 5491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9862 SdHoareTripleChecker+Valid, 8494 SdHoareTripleChecker+Invalid, 11051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5491 IncrementalHoareTripleChecker+Valid, 5560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:27,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9862 Valid, 8494 Invalid, 11051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5491 Valid, 5560 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2023-11-12 02:18:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6299 states. [2023-11-12 02:18:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6299 to 5116. [2023-11-12 02:18:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5116 states, 3597 states have (on average 1.4225743675284959) internal successors, (5117), 3767 states have internal predecessors, (5117), 1287 states have call successors, (1287), 232 states have call predecessors, (1287), 231 states have return successors, (1284), 1230 states have call predecessors, (1284), 1284 states have call successors, (1284) [2023-11-12 02:18:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5116 states to 5116 states and 7688 transitions. [2023-11-12 02:18:27,684 INFO L78 Accepts]: Start accepts. Automaton has 5116 states and 7688 transitions. Word has length 135 [2023-11-12 02:18:27,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:27,686 INFO L495 AbstractCegarLoop]: Abstraction has 5116 states and 7688 transitions. [2023-11-12 02:18:27,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-12 02:18:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5116 states and 7688 transitions. [2023-11-12 02:18:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 02:18:27,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:27,698 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2023-11-12 02:18:27,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:18:27,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:27,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1322139569, now seen corresponding path program 1 times [2023-11-12 02:18:27,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:27,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259307497] [2023-11-12 02:18:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:18:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:18:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:18:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:18:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat