./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:54,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:54,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:14:54,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:54,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:54,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:54,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:54,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:54,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:54,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:54,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:54,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:54,713 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:54,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:54,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:54,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:54,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:54,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:54,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:54,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:54,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:54,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:54,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:54,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:54,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:54,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:54,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:54,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:54,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:54,727 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:54,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:54,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:54,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:54,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:54,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:54,730 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:54,731 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_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 [2023-11-06 22:14:55,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:55,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:55,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:55,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:55,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:55,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2023-11-06 22:14:58,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:59,289 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:59,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2023-11-06 22:14:59,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/data/57380eb27/ff55f53b0c244ca7b21cb54b667f808b/FLAGdd0314db8 [2023-11-06 22:14:59,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/data/57380eb27/ff55f53b0c244ca7b21cb54b667f808b [2023-11-06 22:14:59,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:59,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:59,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:59,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:59,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:59,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:59" (1/1) ... [2023-11-06 22:14:59,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e413425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:59, skipping insertion in model container [2023-11-06 22:14:59,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:59" (1/1) ... [2023-11-06 22:14:59,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:15:03,407 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_9cc54a1c-468c-414d-addc-f2a98f6751c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2023-11-06 22:15:03,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:03,789 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:15:04,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5435] [2023-11-06 22:15:04,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6164] [2023-11-06 22:15:04,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6237] [2023-11-06 22:15:04,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [7854] [2023-11-06 22:15:04,761 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_9cc54a1c-468c-414d-addc-f2a98f6751c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i[312804,312817] [2023-11-06 22:15:04,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:15:05,035 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:15:05,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05 WrapperNode [2023-11-06 22:15:05,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:15:05,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:05,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:15:05,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:15:05,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:05,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:05,624 INFO L138 Inliner]: procedures = 480, calls = 4187, calls flagged for inlining = 167, calls inlined = 159, statements flattened = 7637 [2023-11-06 22:15:05,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:15:05,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:15:05,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:15:05,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:15:05,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:05,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:05,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:05,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:15:06,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:15:06,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:15:06,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:15:06,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (1/1) ... [2023-11-06 22:15:06,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:15:06,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:06,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:15:06,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc54a1c-468c-414d-addc-f2a98f6751c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:15:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_ring [2023-11-06 22:15:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_ring [2023-11-06 22:15:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2023-11-06 22:15:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2023-11-06 22:15:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2023-11-06 22:15:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2023-11-06 22:15:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:15:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:15:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:15:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:15:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2023-11-06 22:15:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2023-11-06 22:15:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2023-11-06 22:15:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2023-11-06 22:15:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-06 22:15:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-06 22:15:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2023-11-06 22:15:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2023-11-06 22:15:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2023-11-06 22:15:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2023-11-06 22:15:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2023-11-06 22:15:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2023-11-06 22:15:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2023-11-06 22:15:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2023-11-06 22:15:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2023-11-06 22:15:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2023-11-06 22:15:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2023-11-06 22:15:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2023-11-06 22:15:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-06 22:15:06,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-06 22:15:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2023-11-06 22:15:06,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2023-11-06 22:15:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 22:15:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 22:15:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-06 22:15:06,467 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-06 22:15:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_ring [2023-11-06 22:15:06,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_ring [2023-11-06 22:15:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2023-11-06 22:15:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2023-11-06 22:15:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:15:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2023-11-06 22:15:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2023-11-06 22:15:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2023-11-06 22:15:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2023-11-06 22:15:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:15:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:15:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2023-11-06 22:15:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2023-11-06 22:15:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2023-11-06 22:15:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2023-11-06 22:15:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:15:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:15:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2023-11-06 22:15:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2023-11-06 22:15:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2023-11-06 22:15:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2023-11-06 22:15:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 22:15:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 22:15:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2023-11-06 22:15:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2023-11-06 22:15:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb [2023-11-06 22:15:06,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb [2023-11-06 22:15:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:15:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2023-11-06 22:15:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2023-11-06 22:15:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:15:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:15:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2023-11-06 22:15:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2023-11-06 22:15:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-06 22:15:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-06 22:15:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2023-11-06 22:15:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2023-11-06 22:15:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2023-11-06 22:15:06,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2023-11-06 22:15:06,479 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2023-11-06 22:15:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2023-11-06 22:15:06,480 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2023-11-06 22:15:06,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2023-11-06 22:15:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2023-11-06 22:15:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2023-11-06 22:15:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:15:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:15:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2023-11-06 22:15:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2023-11-06 22:15:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:15:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:15:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2023-11-06 22:15:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2023-11-06 22:15:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:15:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2023-11-06 22:15:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2023-11-06 22:15:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 22:15:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 22:15:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:15:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:15:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2023-11-06 22:15:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2023-11-06 22:15:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2023-11-06 22:15:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2023-11-06 22:15:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2023-11-06 22:15:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2023-11-06 22:15:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:15:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:15:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:15:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:15:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-06 22:15:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-06 22:15:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 22:15:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 22:15:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb [2023-11-06 22:15:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb [2023-11-06 22:15:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2023-11-06 22:15:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2023-11-06 22:15:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:15:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:15:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-06 22:15:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-06 22:15:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2023-11-06 22:15:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2023-11-06 22:15:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2023-11-06 22:15:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2023-11-06 22:15:06,493 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-06 22:15:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-06 22:15:06,494 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2023-11-06 22:15:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2023-11-06 22:15:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2023-11-06 22:15:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2023-11-06 22:15:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:15:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:15:06,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:15:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:15:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2023-11-06 22:15:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2023-11-06 22:15:06,496 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2023-11-06 22:15:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2023-11-06 22:15:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2023-11-06 22:15:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2023-11-06 22:15:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2023-11-06 22:15:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2023-11-06 22:15:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-11-06 22:15:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-11-06 22:15:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2023-11-06 22:15:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2023-11-06 22:15:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2023-11-06 22:15:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2023-11-06 22:15:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-06 22:15:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-06 22:15:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2023-11-06 22:15:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2023-11-06 22:15:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:15:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:15:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:15:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:15:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2023-11-06 22:15:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2023-11-06 22:15:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2023-11-06 22:15:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2023-11-06 22:15:06,512 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-06 22:15:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-06 22:15:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:15:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:15:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2023-11-06 22:15:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2023-11-06 22:15:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2023-11-06 22:15:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2023-11-06 22:15:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2023-11-06 22:15:06,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2023-11-06 22:15:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 22:15:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 22:15:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2023-11-06 22:15:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2023-11-06 22:15:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2023-11-06 22:15:06,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2023-11-06 22:15:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2023-11-06 22:15:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2023-11-06 22:15:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:15:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:15:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2023-11-06 22:15:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2023-11-06 22:15:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:15:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:15:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:15:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2023-11-06 22:15:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2023-11-06 22:15:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2023-11-06 22:15:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2023-11-06 22:15:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2023-11-06 22:15:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2023-11-06 22:15:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:15:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-06 22:15:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-06 22:15:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-06 22:15:06,525 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-06 22:15:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:15:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2023-11-06 22:15:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2023-11-06 22:15:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 22:15:06,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 22:15:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2023-11-06 22:15:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2023-11-06 22:15:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2023-11-06 22:15:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2023-11-06 22:15:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 22:15:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 22:15:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:15:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:15:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-06 22:15:06,528 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-06 22:15:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2023-11-06 22:15:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2023-11-06 22:15:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:15:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:15:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-06 22:15:06,529 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-06 22:15:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2023-11-06 22:15:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2023-11-06 22:15:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-06 22:15:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-06 22:15:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2023-11-06 22:15:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2023-11-06 22:15:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2023-11-06 22:15:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2023-11-06 22:15:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2023-11-06 22:15:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2023-11-06 22:15:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2023-11-06 22:15:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2023-11-06 22:15:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:15:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:15:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2023-11-06 22:15:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2023-11-06 22:15:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2023-11-06 22:15:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2023-11-06 22:15:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2023-11-06 22:15:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2023-11-06 22:15:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2023-11-06 22:15:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2023-11-06 22:15:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:15:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:15:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2023-11-06 22:15:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2023-11-06 22:15:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:15:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:15:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:15:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2023-11-06 22:15:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2023-11-06 22:15:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2023-11-06 22:15:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2023-11-06 22:15:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2023-11-06 22:15:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2023-11-06 22:15:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2023-11-06 22:15:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2023-11-06 22:15:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2023-11-06 22:15:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2023-11-06 22:15:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2023-11-06 22:15:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2023-11-06 22:15:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2023-11-06 22:15:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2023-11-06 22:15:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2023-11-06 22:15:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2023-11-06 22:15:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2023-11-06 22:15:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2023-11-06 22:15:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2023-11-06 22:15:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2023-11-06 22:15:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2023-11-06 22:15:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2023-11-06 22:15:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2023-11-06 22:15:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2023-11-06 22:15:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 22:15:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 22:15:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2023-11-06 22:15:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2023-11-06 22:15:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-06 22:15:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-06 22:15:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2023-11-06 22:15:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2023-11-06 22:15:06,542 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2023-11-06 22:15:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2023-11-06 22:15:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2023-11-06 22:15:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2023-11-06 22:15:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2023-11-06 22:15:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2023-11-06 22:15:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_nhi [2023-11-06 22:15:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_nhi [2023-11-06 22:15:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:15:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2023-11-06 22:15:06,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2023-11-06 22:15:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_nhi [2023-11-06 22:15:06,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_nhi [2023-11-06 22:15:08,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:15:08,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:15:08,991 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:15:32,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:15:33,099 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:15:33,099 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:15:33,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:33 BoogieIcfgContainer [2023-11-06 22:15:33,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:15:33,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:15:33,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:15:33,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:15:33,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:59" (1/3) ... [2023-11-06 22:15:33,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed8ce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:33, skipping insertion in model container [2023-11-06 22:15:33,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:15:05" (2/3) ... [2023-11-06 22:15:33,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed8ce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:15:33, skipping insertion in model container [2023-11-06 22:15:33,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:15:33" (3/3) ... [2023-11-06 22:15:33,120 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2023-11-06 22:15:33,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:15:33,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:15:33,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:15:33,315 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=LoopsAndPotentialCycles, 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;@6114a04b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:15:33,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:15:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 2853 states, 1872 states have (on average 1.3167735042735043) internal successors, (2465), 1937 states have internal predecessors, (2465), 843 states have call successors, (843), 137 states have call predecessors, (843), 136 states have return successors, (837), 833 states have call predecessors, (837), 837 states have call successors, (837) [2023-11-06 22:15:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:15:33,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:33,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:33,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:15:33,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1287261100, now seen corresponding path program 1 times [2023-11-06 22:15:33,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:33,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479843302] [2023-11-06 22:15:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:33,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:15:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:15:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:15:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:34,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:34,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479843302] [2023-11-06 22:15:34,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479843302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:34,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:34,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:15:34,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925720560] [2023-11-06 22:15:34,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:34,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:15:34,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:34,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:15:34,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:15:34,287 INFO L87 Difference]: Start difference. First operand has 2853 states, 1872 states have (on average 1.3167735042735043) internal successors, (2465), 1937 states have internal predecessors, (2465), 843 states have call successors, (843), 137 states have call predecessors, (843), 136 states have return successors, (837), 833 states have call predecessors, (837), 837 states have call successors, (837) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:15:38,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:40,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:56,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:58,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:00,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:02,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:03,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:04,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:04,756 INFO L93 Difference]: Finished difference Result 6378 states and 9742 transitions. [2023-11-06 22:16:04,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:16:04,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2023-11-06 22:16:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:04,817 INFO L225 Difference]: With dead ends: 6378 [2023-11-06 22:16:04,817 INFO L226 Difference]: Without dead ends: 3517 [2023-11-06 22:16:04,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:16:04,850 INFO L413 NwaCegarLoop]: 3203 mSDtfsCounter, 2045 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 2310 mSolverCounterSat, 2327 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 4640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2327 IncrementalHoareTripleChecker+Valid, 2310 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:04,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 4962 Invalid, 4640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2327 Valid, 2310 Invalid, 3 Unknown, 0 Unchecked, 29.7s Time] [2023-11-06 22:16:04,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2023-11-06 22:16:05,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 2840. [2023-11-06 22:16:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1867 states have (on average 1.3090519550080342) internal successors, (2444), 1924 states have internal predecessors, (2444), 837 states have call successors, (837), 136 states have call predecessors, (837), 135 states have return successors, (826), 822 states have call predecessors, (826), 826 states have call successors, (826) [2023-11-06 22:16:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 4107 transitions. [2023-11-06 22:16:05,168 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 4107 transitions. Word has length 35 [2023-11-06 22:16:05,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:05,169 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 4107 transitions. [2023-11-06 22:16:05,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:16:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 4107 transitions. [2023-11-06 22:16:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:16:05,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:05,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:05,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:16:05,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:05,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1421274606, now seen corresponding path program 1 times [2023-11-06 22:16:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:05,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723123450] [2023-11-06 22:16:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:05,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:05,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:05,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723123450] [2023-11-06 22:16:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723123450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:05,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:05,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:16:05,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852755666] [2023-11-06 22:16:05,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:05,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:16:05,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:05,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:16:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:05,902 INFO L87 Difference]: Start difference. First operand 2840 states and 4107 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:16:10,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:12,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:14,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:20,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:32,737 INFO L93 Difference]: Finished difference Result 3576 states and 5286 transitions. [2023-11-06 22:16:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:16:32,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-11-06 22:16:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:32,770 INFO L225 Difference]: With dead ends: 3576 [2023-11-06 22:16:32,771 INFO L226 Difference]: Without dead ends: 3572 [2023-11-06 22:16:32,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:16:32,774 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 5431 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 3533 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5872 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3533 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:32,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5872 Valid, 5045 Invalid, 6107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3533 Valid, 2572 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2023-11-06 22:16:32,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2023-11-06 22:16:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 2888. [2023-11-06 22:16:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 1901 states have (on average 1.3035244608101) internal successors, (2478), 1956 states have internal predecessors, (2478), 837 states have call successors, (837), 150 states have call predecessors, (837), 149 states have return successors, (828), 824 states have call predecessors, (828), 828 states have call successors, (828) [2023-11-06 22:16:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 4143 transitions. [2023-11-06 22:16:33,037 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 4143 transitions. Word has length 35 [2023-11-06 22:16:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:33,038 INFO L495 AbstractCegarLoop]: Abstraction has 2888 states and 4143 transitions. [2023-11-06 22:16:33,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:16:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 4143 transitions. [2023-11-06 22:16:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 22:16:33,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:33,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:16:33,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:16:33,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:33,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1939943233, now seen corresponding path program 1 times [2023-11-06 22:16:33,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:33,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250859403] [2023-11-06 22:16:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:16:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:16:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:16:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:16:33,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:33,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250859403] [2023-11-06 22:16:33,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250859403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:33,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:33,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:16:33,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545816084] [2023-11-06 22:16:33,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:33,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:16:33,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:16:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:33,430 INFO L87 Difference]: Start difference. First operand 2888 states and 4143 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:16:40,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:42,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:46,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:48,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:02,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:03,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:04,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:14,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:15,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:16,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:19,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:20,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:22,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:24,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:24,464 INFO L93 Difference]: Finished difference Result 9986 states and 14651 transitions. [2023-11-06 22:17:24,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:17:24,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-11-06 22:17:24,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:24,532 INFO L225 Difference]: With dead ends: 9986 [2023-11-06 22:17:24,533 INFO L226 Difference]: Without dead ends: 7106 [2023-11-06 22:17:24,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:17:24,554 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 6029 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 4610 mSolverCounterSat, 3524 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6870 SdHoareTripleChecker+Valid, 8949 SdHoareTripleChecker+Invalid, 8139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3524 IncrementalHoareTripleChecker+Valid, 4610 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:24,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6870 Valid, 8949 Invalid, 8139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3524 Valid, 4610 Invalid, 5 Unknown, 0 Unchecked, 50.2s Time] [2023-11-06 22:17:24,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2023-11-06 22:17:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 5735. [2023-11-06 22:17:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5735 states, 3774 states have (on average 1.3033916269210386) internal successors, (4919), 3876 states have internal predecessors, (4919), 1662 states have call successors, (1662), 299 states have call predecessors, (1662), 298 states have return successors, (1653), 1645 states have call predecessors, (1653), 1653 states have call successors, (1653) [2023-11-06 22:17:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5735 states to 5735 states and 8234 transitions. [2023-11-06 22:17:25,212 INFO L78 Accepts]: Start accepts. Automaton has 5735 states and 8234 transitions. Word has length 36 [2023-11-06 22:17:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:25,213 INFO L495 AbstractCegarLoop]: Abstraction has 5735 states and 8234 transitions. [2023-11-06 22:17:25,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:17:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 5735 states and 8234 transitions. [2023-11-06 22:17:25,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:17:25,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:25,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:25,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:17:25,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:17:25,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:25,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1402351488, now seen corresponding path program 1 times [2023-11-06 22:17:25,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:25,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166911547] [2023-11-06 22:17:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:25,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:17:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:17:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:17:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:25,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166911547] [2023-11-06 22:17:25,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166911547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:25,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:25,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:17:25,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13141964] [2023-11-06 22:17:25,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:25,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:17:25,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:17:25,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:17:25,798 INFO L87 Difference]: Start difference. First operand 5735 states and 8234 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:17:31,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:33,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:34,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:39,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:49,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:57,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:58,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:01,965 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 [] [2023-11-06 22:18:04,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:04,028 INFO L93 Difference]: Finished difference Result 7428 states and 10803 transitions. [2023-11-06 22:18:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:18:04,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-06 22:18:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:04,081 INFO L225 Difference]: With dead ends: 7428 [2023-11-06 22:18:04,082 INFO L226 Difference]: Without dead ends: 7424 [2023-11-06 22:18:04,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:18:04,085 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 4688 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 3517 mSolverCounterSat, 2173 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5207 SdHoareTripleChecker+Valid, 6253 SdHoareTripleChecker+Invalid, 5694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2173 IncrementalHoareTripleChecker+Valid, 3517 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:04,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5207 Valid, 6253 Invalid, 5694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2173 Valid, 3517 Invalid, 4 Unknown, 0 Unchecked, 37.6s Time] [2023-11-06 22:18:04,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7424 states. [2023-11-06 22:18:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7424 to 6019. [2023-11-06 22:18:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 3972 states have (on average 1.2925478348439075) internal successors, (5134), 4072 states have internal predecessors, (5134), 1680 states have call successors, (1680), 367 states have call predecessors, (1680), 366 states have return successors, (1673), 1665 states have call predecessors, (1673), 1673 states have call successors, (1673) [2023-11-06 22:18:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8487 transitions. [2023-11-06 22:18:04,637 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8487 transitions. Word has length 38 [2023-11-06 22:18:04,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:04,638 INFO L495 AbstractCegarLoop]: Abstraction has 6019 states and 8487 transitions. [2023-11-06 22:18:04,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:18:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8487 transitions. [2023-11-06 22:18:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:18:04,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:04,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:04,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:18:04,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:04,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2005990440, now seen corresponding path program 1 times [2023-11-06 22:18:04,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:04,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012996383] [2023-11-06 22:18:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:04,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:18:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:18:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:18:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:18:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:18:04,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:04,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012996383] [2023-11-06 22:18:04,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012996383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:04,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:04,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:18:04,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142605930] [2023-11-06 22:18:04,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:04,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:18:04,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:04,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:18:04,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:04,992 INFO L87 Difference]: Start difference. First operand 6019 states and 8487 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:18:09,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:11,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:17,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:19,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:35,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:37,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:38,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:40,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:41,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:18:43,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []