./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:26,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:26,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:10:26,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:26,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:26,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:26,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:26,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:26,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:26,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:26,280 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:26,282 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:26,282 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:26,284 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:26,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:26,285 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:26,286 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:26,286 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:26,287 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:26,287 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:26,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:26,288 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:26,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:26,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:26,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:26,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:26,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:26,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:26,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:26,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:26,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:26,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:26,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:26,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:26,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:26,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:26,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:26,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:26,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:26,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:26,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:26,297 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:26,298 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:26,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:26,298 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2023-11-23 21:10:26,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:26,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:26,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:26,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:26,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:26,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-23 21:10:29,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:30,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:30,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-23 21:10:30,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/data/aa84d1ce0/c9b7b33beedb4a05864c03443960f13a/FLAGa015020c4 [2023-11-23 21:10:30,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/data/aa84d1ce0/c9b7b33beedb4a05864c03443960f13a [2023-11-23 21:10:30,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:30,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:30,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:30,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:30,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:30,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:30" (1/1) ... [2023-11-23 21:10:30,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65643f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:30, skipping insertion in model container [2023-11-23 21:10:30,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:30" (1/1) ... [2023-11-23 21:10:30,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:32,889 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_d086b7ce-d196-4644-a24f-af38d56472f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2023-11-23 21:10:32,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:32,992 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:33,273 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9567/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/r8a66597-hcd.c"), "i" (1211), "i" (12UL)); [5938-5939] [2023-11-23 21:10:33,283 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9567/dscv_tempdir/dscv/ri/43_2a/drivers/usb/host/r8a66597-hcd.c"), "i" (1261), "i" (12UL)); [6002-6003] [2023-11-23 21:10:33,450 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_d086b7ce-d196-4644-a24f-af38d56472f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2023-11-23 21:10:33,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:33,582 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:33,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33 WrapperNode [2023-11-23 21:10:33,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:33,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:33,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:33,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:33,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:33,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,051 INFO L138 Inliner]: procedures = 302, calls = 1965, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 5981 [2023-11-23 21:10:34,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:34,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:34,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:34,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:34,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:34,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:34,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:34,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:34,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (1/1) ... [2023-11-23 21:10:34,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:34,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:34,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d086b7ce-d196-4644-a24f-af38d56472f3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2023-11-23 21:10:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2023-11-23 21:10:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2023-11-23 21:10:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2023-11-23 21:10:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2023-11-23 21:10:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2023-11-23 21:10:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:10:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:10:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2023-11-23 21:10:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2023-11-23 21:10:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:10:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:10:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:10:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:10:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:10:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:10:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2023-11-23 21:10:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2023-11-23 21:10:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2023-11-23 21:10:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2023-11-23 21:10:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2023-11-23 21:10:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2023-11-23 21:10:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2023-11-23 21:10:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2023-11-23 21:10:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2023-11-23 21:10:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2023-11-23 21:10:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:10:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:10:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2023-11-23 21:10:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2023-11-23 21:10:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:10:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:10:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-23 21:10:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-23 21:10:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2023-11-23 21:10:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2023-11-23 21:10:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:10:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:10:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-23 21:10:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-23 21:10:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2023-11-23 21:10:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2023-11-23 21:10:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2023-11-23 21:10:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2023-11-23 21:10:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2023-11-23 21:10:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2023-11-23 21:10:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:10:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:10:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2023-11-23 21:10:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2023-11-23 21:10:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2023-11-23 21:10:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2023-11-23 21:10:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2023-11-23 21:10:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2023-11-23 21:10:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-23 21:10:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-23 21:10:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2023-11-23 21:10:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2023-11-23 21:10:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2023-11-23 21:10:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2023-11-23 21:10:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2023-11-23 21:10:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2023-11-23 21:10:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2023-11-23 21:10:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2023-11-23 21:10:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-23 21:10:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-23 21:10:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2023-11-23 21:10:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2023-11-23 21:10:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-23 21:10:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-23 21:10:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2023-11-23 21:10:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2023-11-23 21:10:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2023-11-23 21:10:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2023-11-23 21:10:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2023-11-23 21:10:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2023-11-23 21:10:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-23 21:10:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-23 21:10:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:10:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:10:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:10:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2023-11-23 21:10:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2023-11-23 21:10:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:10:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2023-11-23 21:10:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2023-11-23 21:10:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2023-11-23 21:10:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2023-11-23 21:10:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2023-11-23 21:10:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2023-11-23 21:10:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:10:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:10:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:10:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:10:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:10:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:10:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2023-11-23 21:10:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2023-11-23 21:10:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-23 21:10:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-23 21:10:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:10:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-23 21:10:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-23 21:10:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:10:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:10:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:10:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:10:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:10:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2023-11-23 21:10:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2023-11-23 21:10:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2023-11-23 21:10:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2023-11-23 21:10:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:10:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:10:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2023-11-23 21:10:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2023-11-23 21:10:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:10:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:10:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:10:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:10:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2023-11-23 21:10:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2023-11-23 21:10:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2023-11-23 21:10:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2023-11-23 21:10:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2023-11-23 21:10:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2023-11-23 21:10:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2023-11-23 21:10:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2023-11-23 21:10:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:10:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:10:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2023-11-23 21:10:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2023-11-23 21:10:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-23 21:10:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-23 21:10:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2023-11-23 21:10:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2023-11-23 21:10:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-23 21:10:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-23 21:10:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:10:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2023-11-23 21:10:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2023-11-23 21:10:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:10:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:10:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:10:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:10:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:10:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-23 21:10:34,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-23 21:10:34,561 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2023-11-23 21:10:34,562 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2023-11-23 21:10:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:10:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:10:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2023-11-23 21:10:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2023-11-23 21:10:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:10:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2023-11-23 21:10:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2023-11-23 21:10:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2023-11-23 21:10:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2023-11-23 21:10:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2023-11-23 21:10:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2023-11-23 21:10:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2023-11-23 21:10:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2023-11-23 21:10:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2023-11-23 21:10:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2023-11-23 21:10:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2023-11-23 21:10:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2023-11-23 21:10:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-23 21:10:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-23 21:10:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2023-11-23 21:10:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2023-11-23 21:10:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2023-11-23 21:10:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2023-11-23 21:10:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2023-11-23 21:10:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2023-11-23 21:10:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2023-11-23 21:10:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2023-11-23 21:10:34,567 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:10:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:10:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2023-11-23 21:10:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2023-11-23 21:10:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:10:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:10:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2023-11-23 21:10:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2023-11-23 21:10:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:10:34,568 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:10:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:10:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2023-11-23 21:10:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2023-11-23 21:10:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2023-11-23 21:10:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2023-11-23 21:10:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:10:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:10:34,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2023-11-23 21:10:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2023-11-23 21:10:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:10:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:10:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2023-11-23 21:10:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2023-11-23 21:10:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-23 21:10:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-23 21:10:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2023-11-23 21:10:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:10:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:10:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:10:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-23 21:10:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-23 21:10:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2023-11-23 21:10:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2023-11-23 21:10:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2023-11-23 21:10:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2023-11-23 21:10:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:10:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:10:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2023-11-23 21:10:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2023-11-23 21:10:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2023-11-23 21:10:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2023-11-23 21:10:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-23 21:10:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-23 21:10:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2023-11-23 21:10:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2023-11-23 21:10:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2023-11-23 21:10:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2023-11-23 21:10:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:10:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:10:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2023-11-23 21:10:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2023-11-23 21:10:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:10:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:10:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:10:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:10:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2023-11-23 21:10:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2023-11-23 21:10:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2023-11-23 21:10:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2023-11-23 21:10:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2023-11-23 21:10:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2023-11-23 21:10:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2023-11-23 21:10:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2023-11-23 21:10:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:10:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:10:35,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:35,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:36,561 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:10:40,821 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:44,354 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:44,354 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:44,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:44 BoogieIcfgContainer [2023-11-23 21:10:44,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:44,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:44,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:44,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:44,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:30" (1/3) ... [2023-11-23 21:10:44,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138504b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:44, skipping insertion in model container [2023-11-23 21:10:44,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:33" (2/3) ... [2023-11-23 21:10:44,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138504b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:44, skipping insertion in model container [2023-11-23 21:10:44,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:44" (3/3) ... [2023-11-23 21:10:44,366 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-23 21:10:44,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:44,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:44,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:44,505 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@231bb2bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:44,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 1893 states, 1120 states have (on average 1.3580357142857142) internal successors, (1521), 1214 states have internal predecessors, (1521), 654 states have call successors, (654), 118 states have call predecessors, (654), 117 states have return successors, (646), 619 states have call predecessors, (646), 646 states have call successors, (646) [2023-11-23 21:10:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 21:10:44,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:44,561 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:44,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:44,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:44,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1702449486, now seen corresponding path program 1 times [2023-11-23 21:10:44,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:44,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292074569] [2023-11-23 21:10:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-23 21:10:45,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292074569] [2023-11-23 21:10:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292074569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:45,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:45,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:45,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399512200] [2023-11-23 21:10:45,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:45,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:45,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:45,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:45,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:45,495 INFO L87 Difference]: Start difference. First operand has 1893 states, 1120 states have (on average 1.3580357142857142) internal successors, (1521), 1214 states have internal predecessors, (1521), 654 states have call successors, (654), 118 states have call predecessors, (654), 117 states have return successors, (646), 619 states have call predecessors, (646), 646 states have call successors, (646) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:10:49,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:51,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:10:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:52,874 INFO L93 Difference]: Finished difference Result 4883 states and 7287 transitions. [2023-11-23 21:10:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:52,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2023-11-23 21:10:52,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:52,930 INFO L225 Difference]: With dead ends: 4883 [2023-11-23 21:10:52,930 INFO L226 Difference]: Without dead ends: 2988 [2023-11-23 21:10:52,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:52,957 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 1644 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:52,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 5002 Invalid, 708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 704 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:10:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2023-11-23 21:10:53,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2984. [2023-11-23 21:10:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 1757 states have (on average 1.336368810472396) internal successors, (2348), 1897 states have internal predecessors, (2348), 1020 states have call successors, (1020), 207 states have call predecessors, (1020), 206 states have return successors, (1019), 967 states have call predecessors, (1019), 1019 states have call successors, (1019) [2023-11-23 21:10:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 4387 transitions. [2023-11-23 21:10:53,402 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 4387 transitions. Word has length 128 [2023-11-23 21:10:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:53,404 INFO L495 AbstractCegarLoop]: Abstraction has 2984 states and 4387 transitions. [2023-11-23 21:10:53,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 21:10:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 4387 transitions. [2023-11-23 21:10:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-23 21:10:53,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:53,426 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:53,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:53,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:53,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1511465068, now seen corresponding path program 1 times [2023-11-23 21:10:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539221685] [2023-11-23 21:10:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 21:10:54,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:10:54,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539221685] [2023-11-23 21:10:54,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539221685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:54,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:54,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:54,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923833282] [2023-11-23 21:10:54,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:54,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:54,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:10:54,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:54,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:10:54,043 INFO L87 Difference]: Start difference. First operand 2984 states and 4387 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:10:58,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:00,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:00,682 INFO L93 Difference]: Finished difference Result 5956 states and 8750 transitions. [2023-11-23 21:11:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:11:00,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2023-11-23 21:11:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:00,717 INFO L225 Difference]: With dead ends: 5956 [2023-11-23 21:11:00,717 INFO L226 Difference]: Without dead ends: 2995 [2023-11-23 21:11:00,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:00,743 INFO L413 NwaCegarLoop]: 2481 mSDtfsCounter, 4267 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1267 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:00,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4267 Valid, 2493 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:11:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2023-11-23 21:11:01,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2995. [2023-11-23 21:11:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 1764 states have (on average 1.3333333333333333) internal successors, (2352), 1902 states have internal predecessors, (2352), 1020 states have call successors, (1020), 211 states have call predecessors, (1020), 210 states have return successors, (1019), 969 states have call predecessors, (1019), 1019 states have call successors, (1019) [2023-11-23 21:11:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4391 transitions. [2023-11-23 21:11:01,069 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4391 transitions. Word has length 158 [2023-11-23 21:11:01,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:01,070 INFO L495 AbstractCegarLoop]: Abstraction has 2995 states and 4391 transitions. [2023-11-23 21:11:01,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:11:01,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4391 transitions. [2023-11-23 21:11:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 21:11:01,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:01,080 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:01,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:11:01,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:01,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2318276, now seen corresponding path program 1 times [2023-11-23 21:11:01,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:01,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730526294] [2023-11-23 21:11:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 21:11:01,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:01,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730526294] [2023-11-23 21:11:01,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730526294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:01,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:01,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:11:01,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386650199] [2023-11-23 21:11:01,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:01,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:11:01,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:01,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:11:01,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:01,691 INFO L87 Difference]: Start difference. First operand 2995 states and 4391 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:11:05,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:07,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:07,925 INFO L93 Difference]: Finished difference Result 5952 states and 8734 transitions. [2023-11-23 21:11:07,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:11:07,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2023-11-23 21:11:07,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:07,953 INFO L225 Difference]: With dead ends: 5952 [2023-11-23 21:11:07,954 INFO L226 Difference]: Without dead ends: 2993 [2023-11-23 21:11:07,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:07,978 INFO L413 NwaCegarLoop]: 2478 mSDtfsCounter, 4262 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 1264 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1264 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:07,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 2490 Invalid, 1617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1264 Valid, 352 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2023-11-23 21:11:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2023-11-23 21:11:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2993. [2023-11-23 21:11:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 1764 states have (on average 1.3321995464852607) internal successors, (2350), 1900 states have internal predecessors, (2350), 1018 states have call successors, (1018), 211 states have call predecessors, (1018), 210 states have return successors, (1017), 969 states have call predecessors, (1017), 1017 states have call successors, (1017) [2023-11-23 21:11:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 4385 transitions. [2023-11-23 21:11:08,242 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 4385 transitions. Word has length 159 [2023-11-23 21:11:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:08,243 INFO L495 AbstractCegarLoop]: Abstraction has 2993 states and 4385 transitions. [2023-11-23 21:11:08,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:11:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 4385 transitions. [2023-11-23 21:11:08,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 21:11:08,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:08,251 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:08,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:11:08,252 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:08,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:08,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1975795340, now seen corresponding path program 1 times [2023-11-23 21:11:08,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:08,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742401356] [2023-11-23 21:11:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 21:11:08,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:08,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742401356] [2023-11-23 21:11:08,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742401356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:08,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:08,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:11:08,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117429214] [2023-11-23 21:11:08,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:08,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:11:08,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:11:08,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:08,746 INFO L87 Difference]: Start difference. First operand 2993 states and 4385 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:11:12,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []