./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:38,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:38,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:15:38,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:38,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:38,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:38,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:38,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:38,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:38,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:38,753 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:38,753 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:38,754 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:38,755 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:38,755 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:38,756 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:38,756 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:38,757 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:38,758 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:38,758 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:38,759 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:38,760 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:38,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:38,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:38,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:38,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:38,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:38,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:38,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:38,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:38,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:38,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:38,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:38,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:38,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:38,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:38,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:38,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:38,770 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:38,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:38,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:38,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:38,772 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:38,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:38,773 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d253b745dee5ef05ffbbca6087a2bac9710536fabca8626c0fece9fd6b3fe837 [2023-11-23 21:15:39,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:39,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:39,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:39,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:39,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:39,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:15:42,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:42,801 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:42,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/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 [2023-11-23 21:15:42,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/data/175f1ca62/708d951427f04650a40a370bd30e1826/FLAG7b7ec8078 [2023-11-23 21:15:42,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/data/175f1ca62/708d951427f04650a40a370bd30e1826 [2023-11-23 21:15:42,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:42,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:42,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:42,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:42,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:42,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:42,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af84484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:42, skipping insertion in model container [2023-11-23 21:15:42,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:42" (1/1) ... [2023-11-23 21:15:43,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:46,002 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_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/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] [2023-11-23 21:15:46,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:46,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:46,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5435] [2023-11-23 21:15:46,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6164] [2023-11-23 21:15:46,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6237] [2023-11-23 21:15:46,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [7854] [2023-11-23 21:15:46,978 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_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/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] [2023-11-23 21:15:46,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:47,166 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:47,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47 WrapperNode [2023-11-23 21:15:47,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:47,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:47,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:47,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:47,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,679 INFO L138 Inliner]: procedures = 480, calls = 4187, calls flagged for inlining = 167, calls inlined = 159, statements flattened = 7637 [2023-11-23 21:15:47,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:47,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:47,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:47,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:47,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:47,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:48,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:48,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:48,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:48,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:48,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:48,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:48,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:48,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (1/1) ... [2023-11-23 21:15:48,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:48,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:48,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7683bc22-6d92-4b04-a13b-ebd9f1bcd347/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_ring [2023-11-23 21:15:48,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_ring [2023-11-23 21:15:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure thunderbolt_shutdown_and_free [2023-11-23 21:15:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thunderbolt_shutdown_and_free [2023-11-23 21:15:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail_init [2023-11-23 21:15:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail_init [2023-11-23 21:15:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:15:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:15:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:15:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:15:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_get_drom_offset [2023-11-23 21:15:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_get_drom_offset [2023-11-23 21:15:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_free [2023-11-23 21:15:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_free [2023-11-23 21:15:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-23 21:15:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-23 21:15:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32options [2023-11-23 21:15:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32options [2023-11-23 21:15:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_active [2023-11-23 21:15:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_active [2023-11-23 21:15:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx_submit [2023-11-23 21:15:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx_submit [2023-11-23 21:15:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_disable_interrupts [2023-11-23 21:15:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_disable_interrupts [2023-11-23 21:15:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_route [2023-11-23 21:15:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure get_route [2023-11-23 21:15:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure check_header [2023-11-23 21:15:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure check_header [2023-11-23 21:15:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:15:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:15:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure tb_activate_pcie_devices [2023-11-23 21:15:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_activate_pcie_devices [2023-11-23 21:15:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:15:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:15:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:15:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:15:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_ring [2023-11-23 21:15:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_ring [2023-11-23 21:15:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read_raw [2023-11-23 21:15:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read_raw [2023-11-23 21:15:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:15:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_long [2023-11-23 21:15:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_long [2023-11-23 21:15:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_set_unpplugged [2023-11-23 21:15:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_set_unpplugged [2023-11-23 21:15:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:15:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:15:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc8 [2023-11-23 21:15:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc8 [2023-11-23 21:15:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ring_write_descriptors [2023-11-23 21:15:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_write_descriptors [2023-11-23 21:15:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:15:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:15:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure tb_plug_events_active [2023-11-23 21:15:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_plug_events_active [2023-11-23 21:15:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2023-11-23 21:15:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2023-11-23 21:15:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:15:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:15:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_stop [2023-11-23 21:15:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_stop [2023-11-23 21:15:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb [2023-11-23 21:15:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb [2023-11-23 21:15:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_print_error [2023-11-23 21:15:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_print_error [2023-11-23 21:15:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:15:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:15:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_add_nfc_credits [2023-11-23 21:15:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_add_nfc_credits [2023-11-23 21:15:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-23 21:15:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-23 21:15:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2023-11-23 21:15:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2023-11-23 21:15:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_start [2023-11-23 21:15:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_start [2023-11-23 21:15:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure ring_start [2023-11-23 21:15:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_start [2023-11-23 21:15:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure ring_stop [2023-11-23 21:15:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_stop [2023-11-23 21:15:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_write [2023-11-23 21:15:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_write [2023-11-23 21:15:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:15:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:15:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cfg_read [2023-11-23 21:15:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cfg_read [2023-11-23 21:15:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:15:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:15:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_free [2023-11-23 21:15:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_free [2023-11-23 21:15:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:15:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure ring_interrupt_index [2023-11-23 21:15:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_interrupt_index [2023-11-23 21:15:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:15:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:15:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:15:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure tb_cap_is_basic [2023-11-23 21:15:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_cap_is_basic [2023-11-23 21:15:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure tb_upstream_port [2023-11-23 21:15:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_upstream_port [2023-11-23 21:15:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ring_enqueue [2023-11-23 21:15:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ring_enqueue [2023-11-23 21:15:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:15:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:15:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:15:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:15:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:15:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:15:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:15:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:15:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb [2023-11-23 21:15:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb [2023-11-23 21:15:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_rx [2023-11-23 21:15:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_rx [2023-11-23 21:15:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:15:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:15:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ring_desc_base [2023-11-23 21:15:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_desc_base [2023-11-23 21:15:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_shutdown [2023-11-23 21:15:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_shutdown [2023-11-23 21:15:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:15:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:15:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_port [2023-11-23 21:15:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_port [2023-11-23 21:15:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_active [2023-11-23 21:15:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_active [2023-11-23 21:15:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:15:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:15:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:15:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:15:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_read_n [2023-11-23 21:15:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_read_n [2023-11-23 21:15:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_tx [2023-11-23 21:15:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_tx [2023-11-23 21:15:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_read [2023-11-23 21:15:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_read [2023-11-23 21:15:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure ring_work [2023-11-23 21:15:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_work [2023-11-23 21:15:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2023-11-23 21:15:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2023-11-23 21:15:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite16desc [2023-11-23 21:15:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite16desc [2023-11-23 21:15:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_free [2023-11-23 21:15:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_free [2023-11-23 21:15:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 21:15:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 21:15:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure tb_find_cap [2023-11-23 21:15:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_find_cap [2023-11-23 21:15:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:15:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:15:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:15:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:15:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_deactivate [2023-11-23 21:15:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_deactivate [2023-11-23 21:15:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_write [2023-11-23 21:15:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_write [2023-11-23 21:15:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:15:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:15:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:15:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:15:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_pkg_alloc [2023-11-23 21:15:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_pkg_alloc [2023-11-23 21:15:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_suspend_noirq [2023-11-23 21:15:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_suspend_noirq [2023-11-23 21:15:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_ctl_read [2023-11-23 21:15:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_ctl_read [2023-11-23 21:15:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:15:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:15:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_port_active [2023-11-23 21:15:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_port_active [2023-11-23 21:15:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_suspend [2023-11-23 21:15:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_suspend [2023-11-23 21:15:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_alloc [2023-11-23 21:15:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_alloc [2023-11-23 21:15:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:15:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:15:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure tb_drom_read_uid_only [2023-11-23 21:15:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_drom_read_uid_only [2023-11-23 21:15:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:15:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:15:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:15:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_write [2023-11-23 21:15:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_write [2023-11-23 21:15:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_activate [2023-11-23 21:15:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_activate [2023-11-23 21:15:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_interrupt_work [2023-11-23 21:15:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_interrupt_work [2023-11-23 21:15:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:15:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-23 21:15:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-23 21:15:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-23 21:15:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-23 21:15:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:15:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite32desc [2023-11-23 21:15:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite32desc [2023-11-23 21:15:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:15:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:15:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route_length [2023-11-23 21:15:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route_length [2023-11-23 21:15:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure nhi_resume_noirq [2023-11-23 21:15:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nhi_resume_noirq [2023-11-23 21:15:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:15:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:15:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:15:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:15:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 21:15:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 21:15:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_alloc [2023-11-23 21:15:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_alloc [2023-11-23 21:15:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:15:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:15:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-23 21:15:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-23 21:15:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ring_free [2023-11-23 21:15:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_free [2023-11-23 21:15:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:15:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:15:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ring_iowrite64desc [2023-11-23 21:15:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_iowrite64desc [2023-11-23 21:15:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deallocate_nfc [2023-11-23 21:15:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deallocate_nfc [2023-11-23 21:15:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_unplugged_children [2023-11-23 21:15:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_unplugged_children [2023-11-23 21:15:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure tb_crc [2023-11-23 21:15:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_crc [2023-11-23 21:15:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:15:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:15:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure tb_switch_resume [2023-11-23 21:15:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_switch_resume [2023-11-23 21:15:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure tb_wait_for_port [2023-11-23 21:15:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_wait_for_port [2023-11-23 21:15:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure tb_scan_switch [2023-11-23 21:15:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_scan_switch [2023-11-23 21:15:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_restart [2023-11-23 21:15:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_restart [2023-11-23 21:15:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:15:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:15:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure check_config_address [2023-11-23 21:15:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure check_config_address [2023-11-23 21:15:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:15:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:15:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure __crc32c_le [2023-11-23 21:15:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __crc32c_le [2023-11-23 21:15:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kcalloc [2023-11-23 21:15:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kcalloc [2023-11-23 21:15:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure tb_ctl_free [2023-11-23 21:15:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_ctl_free [2023-11-23 21:15:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure tb_path_is_invalid [2023-11-23 21:15:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_path_is_invalid [2023-11-23 21:15:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2023-11-23 21:15:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_driver_string [2023-11-23 21:15:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_transfer [2023-11-23 21:15:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_transfer [2023-11-23 21:15:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_init_path [2023-11-23 21:15:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_init_path [2023-11-23 21:15:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure __tb_path_deactivate_hops [2023-11-23 21:15:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __tb_path_deactivate_hops [2023-11-23 21:15:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_free [2023-11-23 21:15:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_free [2023-11-23 21:15:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure tb_is_upstream_port [2023-11-23 21:15:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_is_upstream_port [2023-11-23 21:15:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure ring_alloc [2023-11-23 21:15:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_alloc [2023-11-23 21:15:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure make_header [2023-11-23 21:15:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure make_header [2023-11-23 21:15:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:15:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:15:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure tb_free_invalid_tunnels [2023-11-23 21:15:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_free_invalid_tunnels [2023-11-23 21:15:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-23 21:15:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-23 21:15:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_port_read [2023-11-23 21:15:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_port_read [2023-11-23 21:15:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_pci_deactivate [2023-11-23 21:15:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_pci_deactivate [2023-11-23 21:15:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure tb_eeprom_out [2023-11-23 21:15:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_eeprom_out [2023-11-23 21:15:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure tb_sw_write [2023-11-23 21:15:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_sw_write [2023-11-23 21:15:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_tb_nhi [2023-11-23 21:15:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_tb_nhi [2023-11-23 21:15:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure tb_route [2023-11-23 21:15:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure tb_route [2023-11-23 21:15:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_tb_nhi [2023-11-23 21:15:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_tb_nhi [2023-11-23 21:15:49,578 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:49,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:50,166 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:07,040 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:09,103 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:09,104 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:16:09,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:09 BoogieIcfgContainer [2023-11-23 21:16:09,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:09,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:09,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:09,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:09,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:42" (1/3) ... [2023-11-23 21:16:09,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0c8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:09, skipping insertion in model container [2023-11-23 21:16:09,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:47" (2/3) ... [2023-11-23 21:16:09,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0c8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:16:09, skipping insertion in model container [2023-11-23 21:16:09,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:09" (3/3) ... [2023-11-23 21:16:09,132 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--thunderbolt--thunderbolt.ko-entry_point.cil.out.i [2023-11-23 21:16:09,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:09,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:09,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:09,331 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10be3d58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:09,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 2439 states, 1458 states have (on average 1.2997256515775035) internal successors, (1895), 1523 states have internal predecessors, (1895), 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) [2023-11-23 21:16:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:16:09,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:09,358 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] [2023-11-23 21:16:09,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:09,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:09,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2081516359, now seen corresponding path program 1 times [2023-11-23 21:16:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:09,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386896244] [2023-11-23 21:16:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:16:10,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:10,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386896244] [2023-11-23 21:16:10,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386896244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:10,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:10,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:10,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265410385] [2023-11-23 21:16:10,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:10,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:10,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:10,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:10,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:10,462 INFO L87 Difference]: Start difference. First operand has 2439 states, 1458 states have (on average 1.2997256515775035) internal successors, (1895), 1523 states have internal predecessors, (1895), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:16:14,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:16,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:17,052 INFO L93 Difference]: Finished difference Result 4908 states and 7353 transitions. [2023-11-23 21:16:17,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:17,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 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 26 [2023-11-23 21:16:17,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:17,104 INFO L225 Difference]: With dead ends: 4908 [2023-11-23 21:16:17,104 INFO L226 Difference]: Without dead ends: 2463 [2023-11-23 21:16:17,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:17,136 INFO L413 NwaCegarLoop]: 3327 mSDtfsCounter, 3277 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:17,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3277 Valid, 3589 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-23 21:16:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2463 states. [2023-11-23 21:16:17,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2463 to 2461. [2023-11-23 21:16:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 1474 states have (on average 1.2903663500678426) internal successors, (1902), 1529 states have internal predecessors, (1902), 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) [2023-11-23 21:16:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3567 transitions. [2023-11-23 21:16:17,474 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3567 transitions. Word has length 26 [2023-11-23 21:16:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:17,476 INFO L495 AbstractCegarLoop]: Abstraction has 2461 states and 3567 transitions. [2023-11-23 21:16:17,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:16:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3567 transitions. [2023-11-23 21:16:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:16:17,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:17,481 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] [2023-11-23 21:16:17,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:16:17,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:17,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1794901193, now seen corresponding path program 1 times [2023-11-23 21:16:17,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986857784] [2023-11-23 21:16:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:17,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:16:17,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:17,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986857784] [2023-11-23 21:16:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986857784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:17,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:17,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:17,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872764802] [2023-11-23 21:16:17,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:17,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:17,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:17,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:17,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:17,962 INFO L87 Difference]: Start difference. First operand 2461 states and 3567 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:16:24,184 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 [] [2023-11-23 21:16:26,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:28,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []