./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--scsi--3w-9xxx.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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/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--scsi--3w-9xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/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 c9b552a362a9e696d48563826feaca907111a4f22b87ac0d62165b45d307f684 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:15:51,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:15:51,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:15:51,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:15:51,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:15:51,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:15:51,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:15:51,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:15:51,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:15:51,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:15:51,465 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:15:51,466 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:15:51,466 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:15:51,467 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:15:51,467 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:15:51,468 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:15:51,468 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:15:51,469 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:15:51,470 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:15:51,470 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:15:51,471 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:15:51,471 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:15:51,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:15:51,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:15:51,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:15:51,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:15:51,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:15:51,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:15:51,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:15:51,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:15:51,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:15:51,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:15:51,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:15:51,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:15:51,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:51,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:15:51,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:15:51,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:15:51,479 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:15:51,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:15:51,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:15:51,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:15:51,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:15:51,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:15:51,482 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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9b552a362a9e696d48563826feaca907111a4f22b87ac0d62165b45d307f684 [2023-11-23 21:15:51,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:15:51,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:15:51,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:15:51,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:15:51,880 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:15:51,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2023-11-23 21:15:55,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:55,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:55,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2023-11-23 21:15:56,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/data/6bbbb82b2/0103ac41367748efa157ec2f8a735ce1/FLAGee06ccd82 [2023-11-23 21:15:56,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/data/6bbbb82b2/0103ac41367748efa157ec2f8a735ce1 [2023-11-23 21:15:56,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:56,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:56,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:56,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:56,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:56,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:56" (1/1) ... [2023-11-23 21:15:56,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682a9e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:56, skipping insertion in model container [2023-11-23 21:15:56,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:56" (1/1) ... [2023-11-23 21:15:56,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:58,521 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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i[280100,280113] [2023-11-23 21:15:58,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:58,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:58,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4606] [2023-11-23 21:15:58,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4613] [2023-11-23 21:15:58,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4621-4622] [2023-11-23 21:15:59,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4811] [2023-11-23 21:15:59,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4818] [2023-11-23 21:15:59,260 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_dcb93a0a-4f7b-421e-aafb-9681fbaca991/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i[280100,280113] [2023-11-23 21:15:59,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:59,491 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:15:59,500 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:59,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59 WrapperNode [2023-11-23 21:15:59,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:59,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:59,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:59,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:59,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:15:59,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,000 INFO L138 Inliner]: procedures = 305, calls = 2685, calls flagged for inlining = 127, calls inlined = 121, statements flattened = 6006 [2023-11-23 21:16:00,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:00,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:00,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:00,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:00,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:16:00,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:16:00,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:16:00,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:16:00,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (1/1) ... [2023-11-23 21:16:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:16:00,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:16:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcb93a0a-4f7b-421e-aafb-9681fbaca991/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:16:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:16:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:16:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:16:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:16:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:16:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:16:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:16:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:16:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:16:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_request_id [2023-11-23 21:16:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_request_id [2023-11-23 21:16:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure twa_fill_sense [2023-11-23 21:16:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_fill_sense [2023-11-23 21:16:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2023-11-23 21:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2023-11-23 21:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2023-11-23 21:16:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2023-11-23 21:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:16:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:16:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2023-11-23 21:16:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2023-11-23 21:16:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:16:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:16:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:16:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:16:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-23 21:16:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-23 21:16:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure twa_resume [2023-11-23 21:16:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_resume [2023-11-23 21:16:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:16:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-11-23 21:16:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-11-23 21:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:16:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure twa_remove [2023-11-23 21:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_remove [2023-11-23 21:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_sequence [2023-11-23 21:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_sequence [2023-11-23 21:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure twa_get_param [2023-11-23 21:16:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_get_param [2023-11-23 21:16:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:16:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:16:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure twa_string_lookup [2023-11-23 21:16:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_string_lookup [2023-11-23 21:16:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:16:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:16:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:16:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:16:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:16:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:16:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:16:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:16:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure __twa_shutdown [2023-11-23 21:16:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __twa_shutdown [2023-11-23 21:16:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_twa_chrdev_mutex [2023-11-23 21:16:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_twa_chrdev_mutex [2023-11-23 21:16:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-23 21:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-23 21:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure twa_shutdown [2023-11-23 21:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_shutdown [2023-11-23 21:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure twa_post_command_packet [2023-11-23 21:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_post_command_packet [2023-11-23 21:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_request_id [2023-11-23 21:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_request_id [2023-11-23 21:16:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-23 21:16:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-23 21:16:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:16:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2023-11-23 21:16:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2023-11-23 21:16:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure twa_decode_bits [2023-11-23 21:16:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_decode_bits [2023-11-23 21:16:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:16:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:16:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:16:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:16:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-23 21:16:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-23 21:16:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:16:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:16:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_try_set_mwi [2023-11-23 21:16:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_try_set_mwi [2023-11-23 21:16:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:16:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:16:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-23 21:16:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-23 21:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure twa_initconnection [2023-11-23 21:16:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_initconnection [2023-11-23 21:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:16:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:16:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:16:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:16:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:16:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 21:16:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 21:16:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:16:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:16:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:16:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:16:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2023-11-23 21:16:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ioctl_lock_of_TAG_TW_Device_Extension [2023-11-23 21:16:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_exact [2023-11-23 21:16:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_exact [2023-11-23 21:16:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_queue_event [2023-11-23 21:16:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_queue_event [2023-11-23 21:16:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:16:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure twa_interrupt [2023-11-23 21:16:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_interrupt [2023-11-23 21:16:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:16:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:16:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:16:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:16:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-11-23 21:16:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-11-23 21:16:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:16:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:16:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:16:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 21:16:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-23 21:16:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:16:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:16:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:16:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:16:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:16:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-23 21:16:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-23 21:16:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure twa_allocate_memory [2023-11-23 21:16:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_allocate_memory [2023-11-23 21:16:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-11-23 21:16:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-11-23 21:16:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure twa_poll_response [2023-11-23 21:16:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_poll_response [2023-11-23 21:16:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-23 21:16:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-23 21:16:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2023-11-23 21:16:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ioctl_lock_of_TAG_TW_Device_Extension [2023-11-23 21:16:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure twa_scsiop_execute_scsi [2023-11-23 21:16:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_scsiop_execute_scsi [2023-11-23 21:16:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-23 21:16:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-23 21:16:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure twa_reset_device_extension [2023-11-23 21:16:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_reset_device_extension [2023-11-23 21:16:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure twa_free_device_extension [2023-11-23 21:16:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_free_device_extension [2023-11-23 21:16:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:16:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:16:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_twa_chrdev_mutex [2023-11-23 21:16:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_twa_chrdev_mutex [2023-11-23 21:16:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure twa_check_bits [2023-11-23 21:16:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_check_bits [2023-11-23 21:16:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:16:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:16:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 21:16:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-23 21:16:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:16:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:16:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:16:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:16:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:16:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:16:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:16:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure twa_aen_read_queue [2023-11-23 21:16:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure twa_aen_read_queue [2023-11-23 21:16:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:16:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:16:01,475 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:16:01,481 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:16:01,748 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:16:07,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:16:09,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:16:09,790 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:16:09,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:16:09 BoogieIcfgContainer [2023-11-23 21:16:09,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:16:09,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:16:09,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:16:09,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:16:09,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:56" (1/3) ... [2023-11-23 21:16:09,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ef90e5 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 21:16:09,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:59" (2/3) ... [2023-11-23 21:16:09,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ef90e5 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 21:16:09,807 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 21:16:09,809 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--3w-9xxx.ko-entry_point.cil.out.i [2023-11-23 21:16:09,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:16:09,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:16:09,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:16:09,999 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;@1d0ed69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:16:09,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:16:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 1457 states, 931 states have (on average 1.355531686358754) internal successors, (1262), 968 states have internal predecessors, (1262), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) [2023-11-23 21:16:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 21:16:10,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:10,050 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:10,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:10,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:10,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1495127378, now seen corresponding path program 1 times [2023-11-23 21:16:10,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:10,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105279626] [2023-11-23 21:16:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-23 21:16:12,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:12,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105279626] [2023-11-23 21:16:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105279626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:12,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:12,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:12,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184553871] [2023-11-23 21:16:12,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:12,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:12,119 INFO L87 Difference]: Start difference. First operand has 1457 states, 931 states have (on average 1.355531686358754) internal successors, (1262), 968 states have internal predecessors, (1262), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:16:14,868 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 [] [2023-11-23 21:16:17,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:19,916 WARN L539 Checker$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 21:16:21,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:24,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:26,216 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 21:16:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:27,311 INFO L93 Difference]: Finished difference Result 4285 states and 6288 transitions. [2023-11-23 21:16:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:27,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 160 [2023-11-23 21:16:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:27,358 INFO L225 Difference]: With dead ends: 4285 [2023-11-23 21:16:27,358 INFO L226 Difference]: Without dead ends: 2837 [2023-11-23 21:16:27,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:27,376 INFO L413 NwaCegarLoop]: 2061 mSDtfsCounter, 2046 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 3953 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:27,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 3953 Invalid, 466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 458 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2023-11-23 21:16:27,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2837 states. [2023-11-23 21:16:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2837 to 2830. [2023-11-23 21:16:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 1831 states have (on average 1.3440742763517204) internal successors, (2461), 1872 states have internal predecessors, (2461), 835 states have call successors, (835), 164 states have call predecessors, (835), 163 states have return successors, (825), 823 states have call predecessors, (825), 825 states have call successors, (825) [2023-11-23 21:16:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 4121 transitions. [2023-11-23 21:16:27,722 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 4121 transitions. Word has length 160 [2023-11-23 21:16:27,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:27,724 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 4121 transitions. [2023-11-23 21:16:27,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:16:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 4121 transitions. [2023-11-23 21:16:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:16:27,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:27,735 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:27,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:16:27,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:27,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash -261203383, now seen corresponding path program 1 times [2023-11-23 21:16:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:27,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073168126] [2023-11-23 21:16:27,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:27,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:16:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-11-23 21:16:28,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:16:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073168126] [2023-11-23 21:16:28,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073168126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:16:28,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:16:28,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:16:28,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201530201] [2023-11-23 21:16:28,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:16:28,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:16:28,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:16:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:16:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:28,771 INFO L87 Difference]: Start difference. First operand 2830 states and 4121 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:16:30,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:32,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:35,440 WARN L539 Checker$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 21:16:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:40,864 WARN L539 Checker$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 21:16:42,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:16:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:16:43,607 INFO L93 Difference]: Finished difference Result 8289 states and 12100 transitions. [2023-11-23 21:16:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:16:43,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 163 [2023-11-23 21:16:43,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:16:43,669 INFO L225 Difference]: With dead ends: 8289 [2023-11-23 21:16:43,669 INFO L226 Difference]: Without dead ends: 5492 [2023-11-23 21:16:43,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:16:43,693 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 2036 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:16:43,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 3759 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 443 Invalid, 5 Unknown, 0 Unchecked, 14.5s Time] [2023-11-23 21:16:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2023-11-23 21:16:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5437. [2023-11-23 21:16:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5437 states, 3532 states have (on average 1.347678369195923) internal successors, (4760), 3613 states have internal predecessors, (4760), 1587 states have call successors, (1587), 320 states have call predecessors, (1587), 317 states have return successors, (1615), 1555 states have call predecessors, (1615), 1577 states have call successors, (1615) [2023-11-23 21:16:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 7962 transitions. [2023-11-23 21:16:44,174 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 7962 transitions. Word has length 163 [2023-11-23 21:16:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:16:44,177 INFO L495 AbstractCegarLoop]: Abstraction has 5437 states and 7962 transitions. [2023-11-23 21:16:44,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 21:16:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 7962 transitions. [2023-11-23 21:16:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 21:16:44,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:16:44,181 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:44,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:16:44,181 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:16:44,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:16:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash 255280844, now seen corresponding path program 1 times [2023-11-23 21:16:44,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:16:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429423068] [2023-11-23 21:16:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:16:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:16:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat