./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 9bd2c7ff 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_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:17,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:17,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:39:17,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:17,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:17,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:17,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:17,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:17,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:17,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:17,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:17,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:17,454 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:17,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:17,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:17,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:17,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:17,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:17,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:17,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:17,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:17,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:17,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:17,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:17,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:17,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:17,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:17,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:17,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:17,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:17,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:17,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:17,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:17,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:17,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:17,467 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:17,467 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_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2023-11-19 07:39:17,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:17,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:17,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:17,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:17,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:17,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:39:20,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:21,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:21,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/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 [2023-11-19 07:39:21,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/data/f2898bc5a/50a90a4d1bbc4a9aadaba9544a9a9f95/FLAG61933da85 [2023-11-19 07:39:21,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/data/f2898bc5a/50a90a4d1bbc4a9aadaba9544a9a9f95 [2023-11-19 07:39:21,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:21,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:21,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:21,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:21,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:21,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:21" (1/1) ... [2023-11-19 07:39:21,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f345bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:21, skipping insertion in model container [2023-11-19 07:39:21,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:21" (1/1) ... [2023-11-19 07:39:21,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:23,996 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_58e8300d-e406-45fa-a754-85200288d0a7/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] [2023-11-19 07:39:24,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:24,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:24,465 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] [2023-11-19 07:39:24,474 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] [2023-11-19 07:39:24,594 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_58e8300d-e406-45fa-a754-85200288d0a7/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] [2023-11-19 07:39:24,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:24,795 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:24,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24 WrapperNode [2023-11-19 07:39:24,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:24,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:24,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:24,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:24,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:24,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,131 INFO L138 Inliner]: procedures = 302, calls = 1965, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 5981 [2023-11-19 07:39:25,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:25,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:25,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:25,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:25,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:25,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:25,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:25,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:25,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:25,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:25,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:25,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:25,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58e8300d-e406-45fa-a754-85200288d0a7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2023-11-19 07:39:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2023-11-19 07:39:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2023-11-19 07:39:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2023-11-19 07:39:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2023-11-19 07:39:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2023-11-19 07:39:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:39:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:39:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2023-11-19 07:39:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2023-11-19 07:39:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:39:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:39:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:39:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:39:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:39:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:39:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2023-11-19 07:39:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2023-11-19 07:39:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2023-11-19 07:39:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2023-11-19 07:39:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2023-11-19 07:39:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2023-11-19 07:39:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2023-11-19 07:39:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2023-11-19 07:39:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2023-11-19 07:39:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2023-11-19 07:39:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:39:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:39:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2023-11-19 07:39:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2023-11-19 07:39:25,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:39:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:39:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:39:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:39:25,622 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2023-11-19 07:39:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2023-11-19 07:39:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:39:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:39:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 07:39:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 07:39:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2023-11-19 07:39:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2023-11-19 07:39:25,623 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2023-11-19 07:39:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2023-11-19 07:39:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2023-11-19 07:39:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2023-11-19 07:39:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:39:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:39:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2023-11-19 07:39:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2023-11-19 07:39:25,624 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2023-11-19 07:39:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2023-11-19 07:39:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2023-11-19 07:39:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2023-11-19 07:39:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 07:39:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 07:39:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2023-11-19 07:39:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2023-11-19 07:39:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2023-11-19 07:39:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2023-11-19 07:39:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2023-11-19 07:39:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2023-11-19 07:39:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2023-11-19 07:39:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2023-11-19 07:39:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-19 07:39:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-19 07:39:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2023-11-19 07:39:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2023-11-19 07:39:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 07:39:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 07:39:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2023-11-19 07:39:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2023-11-19 07:39:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2023-11-19 07:39:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2023-11-19 07:39:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2023-11-19 07:39:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2023-11-19 07:39:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-19 07:39:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-19 07:39:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:39:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:39:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:39:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2023-11-19 07:39:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2023-11-19 07:39:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:39:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2023-11-19 07:39:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2023-11-19 07:39:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2023-11-19 07:39:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2023-11-19 07:39:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2023-11-19 07:39:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2023-11-19 07:39:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:39:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:39:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:39:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:39:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:39:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:39:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2023-11-19 07:39:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2023-11-19 07:39:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-19 07:39:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-19 07:39:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:39:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 07:39:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 07:39:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:39:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:39:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:39:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:39:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:39:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2023-11-19 07:39:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2023-11-19 07:39:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2023-11-19 07:39:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2023-11-19 07:39:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:39:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:39:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2023-11-19 07:39:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2023-11-19 07:39:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:39:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:39:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:39:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:39:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2023-11-19 07:39:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2023-11-19 07:39:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2023-11-19 07:39:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2023-11-19 07:39:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2023-11-19 07:39:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2023-11-19 07:39:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2023-11-19 07:39:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2023-11-19 07:39:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:39:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:39:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2023-11-19 07:39:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2023-11-19 07:39:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-19 07:39:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-19 07:39:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2023-11-19 07:39:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2023-11-19 07:39:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-19 07:39:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-19 07:39:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:39:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2023-11-19 07:39:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2023-11-19 07:39:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:39:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:39:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:39:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:39:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:39:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 07:39:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 07:39:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2023-11-19 07:39:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2023-11-19 07:39:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 07:39:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 07:39:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2023-11-19 07:39:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2023-11-19 07:39:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:39:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2023-11-19 07:39:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2023-11-19 07:39:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2023-11-19 07:39:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2023-11-19 07:39:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2023-11-19 07:39:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2023-11-19 07:39:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2023-11-19 07:39:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2023-11-19 07:39:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2023-11-19 07:39:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2023-11-19 07:39:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2023-11-19 07:39:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2023-11-19 07:39:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 07:39:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 07:39:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2023-11-19 07:39:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2023-11-19 07:39:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2023-11-19 07:39:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2023-11-19 07:39:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2023-11-19 07:39:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2023-11-19 07:39:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2023-11-19 07:39:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2023-11-19 07:39:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:39:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:39:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2023-11-19 07:39:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2023-11-19 07:39:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:39:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:39:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2023-11-19 07:39:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2023-11-19 07:39:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:39:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:39:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:39:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2023-11-19 07:39:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2023-11-19 07:39:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2023-11-19 07:39:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2023-11-19 07:39:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:39:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:39:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2023-11-19 07:39:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2023-11-19 07:39:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:39:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:39:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2023-11-19 07:39:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2023-11-19 07:39:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-19 07:39:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-19 07:39:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:39:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2023-11-19 07:39:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2023-11-19 07:39:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:39:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:39:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:39:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:39:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:39:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-19 07:39:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-19 07:39:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2023-11-19 07:39:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2023-11-19 07:39:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2023-11-19 07:39:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2023-11-19 07:39:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:39:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:39:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2023-11-19 07:39:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2023-11-19 07:39:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2023-11-19 07:39:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2023-11-19 07:39:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-19 07:39:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-19 07:39:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2023-11-19 07:39:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2023-11-19 07:39:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2023-11-19 07:39:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2023-11-19 07:39:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:39:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:39:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2023-11-19 07:39:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2023-11-19 07:39:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:39:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:39:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:39:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:39:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2023-11-19 07:39:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2023-11-19 07:39:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2023-11-19 07:39:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2023-11-19 07:39:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2023-11-19 07:39:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2023-11-19 07:39:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2023-11-19 07:39:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2023-11-19 07:39:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:39:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:39:26,550 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:26,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:27,695 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:39:32,141 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:32,175 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:32,175 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:32,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:32 BoogieIcfgContainer [2023-11-19 07:39:32,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:32,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:32,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:32,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:32,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:21" (1/3) ... [2023-11-19 07:39:32,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77632b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:32, skipping insertion in model container [2023-11-19 07:39:32,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24" (2/3) ... [2023-11-19 07:39:32,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77632b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:32, skipping insertion in model container [2023-11-19 07:39:32,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:32" (3/3) ... [2023-11-19 07:39:32,206 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2023-11-19 07:39:32,227 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:32,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:32,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:32,358 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;@1c028924, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:32,358 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 2594 states, 1821 states have (on average 1.4321801208127403) internal successors, (2608), 1915 states have internal predecessors, (2608), 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) [2023-11-19 07:39:32,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 07:39:32,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:32,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:32,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:32,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:32,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1253560623, now seen corresponding path program 1 times [2023-11-19 07:39:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:32,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081813236] [2023-11-19 07:39:32,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:32,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:39:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:39:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:39:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:39:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:39:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:39:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:39:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:39:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-19 07:39:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:39:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-19 07:39:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081813236] [2023-11-19 07:39:33,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081813236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:33,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:33,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:33,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926506218] [2023-11-19 07:39:33,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:33,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:33,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:33,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:33,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:33,563 INFO L87 Difference]: Start difference. First operand has 2594 states, 1821 states have (on average 1.4321801208127403) internal successors, (2608), 1915 states have internal predecessors, (2608), 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 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:39:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:44,742 INFO L93 Difference]: Finished difference Result 5863 states and 9120 transitions. [2023-11-19 07:39:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:39:44,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2023-11-19 07:39:44,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:44,801 INFO L225 Difference]: With dead ends: 5863 [2023-11-19 07:39:44,802 INFO L226 Difference]: Without dead ends: 3253 [2023-11-19 07:39:44,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:44,837 INFO L413 NwaCegarLoop]: 2081 mSDtfsCounter, 4638 mSDsluCounter, 3458 mSDsCounter, 0 mSdLazyCounter, 4374 mSolverCounterSat, 3395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4787 SdHoareTripleChecker+Valid, 5539 SdHoareTripleChecker+Invalid, 7769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3395 IncrementalHoareTripleChecker+Valid, 4374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:44,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4787 Valid, 5539 Invalid, 7769 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3395 Valid, 4374 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-19 07:39:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2023-11-19 07:39:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 2573. [2023-11-19 07:39:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 1810 states have (on average 1.4215469613259668) internal successors, (2573), 1894 states have internal predecessors, (2573), 646 states have call successors, (646), 117 states have call predecessors, (646), 116 states have return successors, (645), 618 states have call predecessors, (645), 645 states have call successors, (645) [2023-11-19 07:39:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3864 transitions. [2023-11-19 07:39:45,151 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3864 transitions. Word has length 160 [2023-11-19 07:39:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:45,152 INFO L495 AbstractCegarLoop]: Abstraction has 2573 states and 3864 transitions. [2023-11-19 07:39:45,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:39:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3864 transitions. [2023-11-19 07:39:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 07:39:45,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:45,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:45,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:39:45,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:45,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2139303500, now seen corresponding path program 1 times [2023-11-19 07:39:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:45,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95811837] [2023-11-19 07:39:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:39:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:39:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:39:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:39:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:39:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:39:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:39:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:39:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 07:39:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-19 07:39:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-19 07:39:45,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95811837] [2023-11-19 07:39:45,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95811837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:45,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:45,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:39:45,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630698074] [2023-11-19 07:39:45,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:45,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:39:45,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:45,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:39:45,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:39:45,781 INFO L87 Difference]: Start difference. First operand 2573 states and 3864 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:40:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:02,744 INFO L93 Difference]: Finished difference Result 7562 states and 11506 transitions. [2023-11-19 07:40:02,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:40:02,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (18), 6 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 161 [2023-11-19 07:40:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:02,794 INFO L225 Difference]: With dead ends: 7562 [2023-11-19 07:40:02,794 INFO L226 Difference]: Without dead ends: 5018 [2023-11-19 07:40:02,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:40:02,813 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 9183 mSDsluCounter, 6237 mSDsCounter, 0 mSdLazyCounter, 7700 mSolverCounterSat, 6035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9421 SdHoareTripleChecker+Valid, 8293 SdHoareTripleChecker+Invalid, 13735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6035 IncrementalHoareTripleChecker+Valid, 7700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:02,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9421 Valid, 8293 Invalid, 13735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6035 Valid, 7700 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2023-11-19 07:40:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5018 states. [2023-11-19 07:40:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5018 to 4068. [2023-11-19 07:40:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4068 states, 2841 states have (on average 1.4118268215417107) internal successors, (4011), 2981 states have internal predecessors, (4011), 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) [2023-11-19 07:40:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 6050 transitions. [2023-11-19 07:40:03,298 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 6050 transitions. Word has length 161 [2023-11-19 07:40:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:03,300 INFO L495 AbstractCegarLoop]: Abstraction has 4068 states and 6050 transitions. [2023-11-19 07:40:03,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:40:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 6050 transitions. [2023-11-19 07:40:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 07:40:03,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:03,319 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:03,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:03,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:03,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2003344830, now seen corresponding path program 1 times [2023-11-19 07:40:03,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:03,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928490063] [2023-11-19 07:40:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:40:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:40:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:40:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:40:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:40:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:40:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:40:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:40:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:40:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:40:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-19 07:40:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:40:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-19 07:40:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-19 07:40:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-19 07:40:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 07:40:04,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:04,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928490063] [2023-11-19 07:40:04,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928490063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:04,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:04,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:40:04,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594761752] [2023-11-19 07:40:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:04,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:40:04,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:04,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:40:04,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:40:04,172 INFO L87 Difference]: Start difference. First operand 4068 states and 6050 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)