./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--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ --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 a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:13,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:13,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:25:13,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:13,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:13,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:13,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:13,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:13,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:13,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:13,604 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:13,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:13,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:13,606 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:13,606 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:13,607 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:13,608 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:13,608 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:13,609 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:13,610 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:13,611 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:13,611 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:13,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:13,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:13,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:13,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:13,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:13,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:13,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:13,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:13,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:13,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:13,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:13,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:13,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:13,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:13,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:13,621 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:13,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:13,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:13,622 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:13,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:13,622 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_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2023-11-19 05:25:13,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:13,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:13,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:13,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:13,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:13,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:25:17,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:18,162 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:18,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:25:18,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/data/10ecebb01/dfa04848e34349f78e290a3eb59ffba6/FLAGd8078720c [2023-11-19 05:25:18,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/data/10ecebb01/dfa04848e34349f78e290a3eb59ffba6 [2023-11-19 05:25:18,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:18,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:18,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:18,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:18,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:18,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:18" (1/1) ... [2023-11-19 05:25:18,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bf5492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:18, skipping insertion in model container [2023-11-19 05:25:18,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:18" (1/1) ... [2023-11-19 05:25:18,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:21,513 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_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-11-19 05:25:21,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:21,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:22,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4662-4663] [2023-11-19 05:25:22,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4672] [2023-11-19 05:25:22,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4679] [2023-11-19 05:25:22,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4712] [2023-11-19 05:25:22,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4715] [2023-11-19 05:25:22,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4718] [2023-11-19 05:25:22,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4721] [2023-11-19 05:25:22,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5106-5107] [2023-11-19 05:25:22,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5114-5115] [2023-11-19 05:25:22,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5122-5123] [2023-11-19 05:25:22,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5149-5150] [2023-11-19 05:25:22,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5157-5158] [2023-11-19 05:25:22,482 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_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-11-19 05:25:22,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:22,689 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:25:22,689 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:25:22,689 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:25:22,689 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:25:22,698 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:22,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22 WrapperNode [2023-11-19 05:25:22,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:22,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:22,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:22,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:22,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:22,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,254 INFO L138 Inliner]: procedures = 319, calls = 4347, calls flagged for inlining = 123, calls inlined = 115, statements flattened = 10593 [2023-11-19 05:25:23,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:23,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:23,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:23,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:23,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:23,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:23,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:23,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:23,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (1/1) ... [2023-11-19 05:25:23,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:23,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:23,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c48132c-3a97-4246-8c8d-2ee1c7a8acb2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:25:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:25:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-19 05:25:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-19 05:25:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:25:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:25:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:25:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:25:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:25:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:25:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:25:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:25:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:25:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:25:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:25:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-19 05:25:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-19 05:25:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:25:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:25:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 05:25:23,976 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 05:25:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:25:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:25:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-19 05:25:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-19 05:25:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-19 05:25:23,977 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-19 05:25:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:25:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:25:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-19 05:25:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-19 05:25:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-19 05:25:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-19 05:25:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-19 05:25:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-19 05:25:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-19 05:25:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-19 05:25:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:25:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:25:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:25:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:25:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 05:25:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 05:25:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-19 05:25:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-19 05:25:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 05:25:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 05:25:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-19 05:25:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-19 05:25:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:25:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:25:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-19 05:25:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-19 05:25:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-19 05:25:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-19 05:25:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 05:25:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 05:25:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-19 05:25:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-19 05:25:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2023-11-19 05:25:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2023-11-19 05:25:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-19 05:25:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-19 05:25:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-19 05:25:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-19 05:25:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:25:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:25:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-19 05:25:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-19 05:25:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:25:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-19 05:25:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-19 05:25:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 05:25:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 05:25:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 05:25:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 05:25:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:25:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2023-11-19 05:25:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2023-11-19 05:25:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-19 05:25:23,989 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-19 05:25:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-19 05:25:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-19 05:25:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:25:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:25:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 05:25:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 05:25:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-19 05:25:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-19 05:25:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-19 05:25:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-19 05:25:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:25:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:25:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:25:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-19 05:25:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-19 05:25:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:25:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:25:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:25:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:25:23,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:25:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:25:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:25:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:25:23,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:25:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-19 05:25:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-19 05:25:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 05:25:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 05:25:23,996 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-19 05:25:23,996 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-19 05:25:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-19 05:25:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-19 05:25:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:25:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-19 05:25:23,997 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-19 05:25:23,997 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:25:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:25:23,998 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 05:25:23,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 05:25:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:25:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:25:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-19 05:25:23,999 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-19 05:25:23,999 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-19 05:25:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-19 05:25:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:25:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:25:24,000 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-19 05:25:24,000 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-19 05:25:24,001 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:25:24,003 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:25:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 05:25:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 05:25:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-19 05:25:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-19 05:25:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:25:24,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:25:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-19 05:25:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-19 05:25:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 05:25:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 05:25:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:25:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:25:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:25:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-19 05:25:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-19 05:25:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-19 05:25:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-19 05:25:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-19 05:25:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-19 05:25:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:25:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:25:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:25:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:25:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 05:25:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 05:25:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:25:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-19 05:25:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-19 05:25:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:25:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:25:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-19 05:25:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-19 05:25:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:25:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:25:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-19 05:25:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-19 05:25:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:25:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:25:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-19 05:25:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-19 05:25:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-19 05:25:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-19 05:25:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 05:25:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 05:25:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:25:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:25:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-19 05:25:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-19 05:25:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-19 05:25:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-19 05:25:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-19 05:25:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-19 05:25:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-19 05:25:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-19 05:25:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:25:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:25:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 05:25:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 05:25:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 05:25:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 05:25:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-19 05:25:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-19 05:25:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-19 05:25:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-19 05:25:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-19 05:25:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-19 05:25:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:25:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:25:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:25:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:25:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 05:25:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 05:25:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 05:25:24,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 05:25:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-19 05:25:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-19 05:25:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-19 05:25:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-19 05:25:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:25:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:25:25,353 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:25,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:25,473 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:25:46,675 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:55,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:55,188 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:25:55,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:55 BoogieIcfgContainer [2023-11-19 05:25:55,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:55,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:55,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:55,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:55,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:18" (1/3) ... [2023-11-19 05:25:55,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fa16cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:55, skipping insertion in model container [2023-11-19 05:25:55,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:22" (2/3) ... [2023-11-19 05:25:55,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fa16cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:55, skipping insertion in model container [2023-11-19 05:25:55,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:55" (3/3) ... [2023-11-19 05:25:55,233 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:25:55,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:55,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:55,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:55,421 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;@6c25659c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:55,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2609 states, 1737 states have (on average 1.3926309729418538) internal successors, (2419), 1774 states have internal predecessors, (2419), 772 states have call successors, (772), 99 states have call predecessors, (772), 98 states have return successors, (761), 758 states have call predecessors, (761), 761 states have call successors, (761) [2023-11-19 05:25:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2023-11-19 05:25:55,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:55,488 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:55,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:55,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:55,498 INFO L85 PathProgramCache]: Analyzing trace with hash 121041991, now seen corresponding path program 1 times [2023-11-19 05:25:55,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:55,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026449608] [2023-11-19 05:25:55,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:55,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-11-19 05:25:57,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:25:57,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026449608] [2023-11-19 05:25:57,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026449608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:57,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:57,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:25:57,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890296958] [2023-11-19 05:25:57,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:57,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:25:57,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:25:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:25:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:57,325 INFO L87 Difference]: Start difference. First operand has 2609 states, 1737 states have (on average 1.3926309729418538) internal successors, (2419), 1774 states have internal predecessors, (2419), 772 states have call successors, (772), 99 states have call predecessors, (772), 98 states have return successors, (761), 758 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-19 05:26:00,206 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 []