./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-08_1a-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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/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 bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:54,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:54,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:06:55,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:55,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:55,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:55,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:55,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:55,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:55,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:55,044 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:55,045 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:55,045 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:55,046 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:55,047 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:55,048 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:55,048 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:55,049 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:55,050 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:55,050 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:55,051 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:55,052 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:55,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:55,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:55,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:55,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:55,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:55,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:55,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:55,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:55,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:55,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:55,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:55,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:55,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:55,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:55,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:55,062 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:55,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:55,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:55,064 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:55,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:55,065 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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2023-11-19 05:06:55,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:55,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:55,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:55,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:55,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:55,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:06:58,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:59,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:59,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:06:59,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/data/dce845660/3e6c7fb1618148ff8379d46081a2bc95/FLAG65e9ce993 [2023-11-19 05:06:59,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/data/dce845660/3e6c7fb1618148ff8379d46081a2bc95 [2023-11-19 05:06:59,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:59,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:59,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:59,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:59,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:59,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742d53ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59, skipping insertion in model container [2023-11-19 05:06:59,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:02,994 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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2023-11-19 05:07:03,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:03,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:03,396 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)); [4668-4669] [2023-11-19 05:07:03,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-19 05:07:03,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-19 05:07:03,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4728] [2023-11-19 05:07:03,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4731] [2023-11-19 05:07:03,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4734] [2023-11-19 05:07:03,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4737] [2023-11-19 05:07:03,422 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)); [5080-5081] [2023-11-19 05:07:03,423 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)); [5088-5089] [2023-11-19 05:07:03,424 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)); [5096-5097] [2023-11-19 05:07:03,426 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)); [5123-5124] [2023-11-19 05:07:03,426 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)); [5131-5132] [2023-11-19 05:07:03,994 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_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2023-11-19 05:07:04,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:04,127 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:04,128 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:04,128 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:04,128 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:04,137 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:04,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04 WrapperNode [2023-11-19 05:07:04,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:04,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:04,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:04,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:04,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,707 INFO L138 Inliner]: procedures = 247, calls = 4219, calls flagged for inlining = 107, calls inlined = 102, statements flattened = 10490 [2023-11-19 05:07:04,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:04,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:04,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:04,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:04,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:04,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:05,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:05,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:05,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:05,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (1/1) ... [2023-11-19 05:07:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:05,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:05,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1e098a-f89e-4e25-b1ff-acf715bde9ad/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:07:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:07:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-19 05:07:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-19 05:07:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:07:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:07:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:07:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:07:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:07:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:07:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:07:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:07:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:07:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:07:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:07:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-19 05:07:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-19 05:07:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 05:07:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 05:07:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 05:07:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 05:07:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:07:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:07:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-19 05:07:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-19 05:07:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-19 05:07:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-19 05:07:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:07:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:07:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-19 05:07:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-19 05:07:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-19 05:07:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-19 05:07:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 05:07:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 05:07:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:07:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:07:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:07:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:07:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 05:07:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 05:07:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-19 05:07:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-19 05:07:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 05:07:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 05:07:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-19 05:07:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-19 05:07:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:07:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:07:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:07:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:07:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-19 05:07:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-19 05:07:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-19 05:07:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-19 05:07:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-19 05:07:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-19 05:07:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-19 05:07:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-19 05:07:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-19 05:07:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-19 05:07:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:07:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:07:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:07:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-19 05:07:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-19 05:07:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 05:07:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 05:07:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 05:07:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 05:07:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:07:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-19 05:07:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-19 05:07:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-19 05:07:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-19 05:07:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:07:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:07:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 05:07:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 05:07:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-19 05:07:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-19 05:07:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 05:07:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 05:07:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:07:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-19 05:07:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-19 05:07:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:07:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:07:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:07:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:07:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:07:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:07:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:07:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:07:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:07:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-19 05:07:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-19 05:07:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 05:07:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 05:07:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-19 05:07:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-19 05:07:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:07:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:07:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-19 05:07:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-19 05:07:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:07:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-19 05:07:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-19 05:07:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:07:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:07:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 05:07:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 05:07:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:07:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:07:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-19 05:07:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-19 05:07:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-19 05:07:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-19 05:07:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:07:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:07:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-19 05:07:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-19 05:07:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:07:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-19 05:07:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 05:07:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 05:07:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-19 05:07:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-19 05:07:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:07:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:07:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-19 05:07:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-19 05:07:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 05:07:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 05:07:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:07:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:07:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:07:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-19 05:07:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-19 05:07:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-19 05:07:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-19 05:07:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-19 05:07:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-19 05:07:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:07:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:07:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:07:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:07:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 05:07:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 05:07:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:07:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-19 05:07:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-19 05:07:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:07:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:07:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-19 05:07:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-19 05:07:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:07:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:07:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-19 05:07:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-19 05:07:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-19 05:07:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-19 05:07:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-19 05:07:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-19 05:07:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 05:07:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 05:07:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:07:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:07:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-19 05:07:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-19 05:07:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-19 05:07:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-19 05:07:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-19 05:07:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-19 05:07:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-19 05:07:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-19 05:07:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:07:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:07:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 05:07:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 05:07:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 05:07:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 05:07:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-19 05:07:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-19 05:07:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-19 05:07:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-19 05:07:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-19 05:07:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-19 05:07:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 05:07:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 05:07:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:07:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-19 05:07:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 05:07:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 05:07:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 05:07:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 05:07:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2023-11-19 05:07:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2023-11-19 05:07:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-19 05:07:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-19 05:07:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-19 05:07:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-19 05:07:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:07:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:07:07,006 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:07,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:07,158 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:07:27,929 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:34,994 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:34,994 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:07:35,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:35 BoogieIcfgContainer [2023-11-19 05:07:35,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:35,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:35,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:35,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:35,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:59" (1/3) ... [2023-11-19 05:07:35,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49fbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:35, skipping insertion in model container [2023-11-19 05:07:35,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:04" (2/3) ... [2023-11-19 05:07:35,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49fbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:35, skipping insertion in model container [2023-11-19 05:07:35,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:35" (3/3) ... [2023-11-19 05:07:35,025 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 05:07:35,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:35,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:07:35,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:35,184 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;@7ef51a4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:35,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:07:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2556 states, 1711 states have (on average 1.3939216832261836) internal successors, (2385), 1740 states have internal predecessors, (2385), 750 states have call successors, (750), 94 states have call predecessors, (750), 93 states have return successors, (739), 736 states have call predecessors, (739), 739 states have call successors, (739) [2023-11-19 05:07:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-19 05:07:35,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:35,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:35,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:35,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash 201365065, now seen corresponding path program 1 times [2023-11-19 05:07:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557472709] [2023-11-19 05:07:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:37,068 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 05:07:37,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:37,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557472709] [2023-11-19 05:07:37,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557472709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:37,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:37,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:07:37,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961380] [2023-11-19 05:07:37,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:37,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:37,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:37,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:37,125 INFO L87 Difference]: Start difference. First operand has 2556 states, 1711 states have (on average 1.3939216832261836) internal successors, (2385), 1740 states have internal predecessors, (2385), 750 states have call successors, (750), 94 states have call predecessors, (750), 93 states have return successors, (739), 736 states have call predecessors, (739), 739 states have call successors, (739) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-19 05:07:38,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:07:40,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:07:42,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []