./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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5 --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 b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:33:54,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:33:55,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-21 19:33:55,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:33:55,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:33:55,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:33:55,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:33:55,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:33:55,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:33:55,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:33:55,128 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:33:55,128 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:33:55,129 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:33:55,130 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:33:55,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:33:55,131 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:33:55,132 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:33:55,132 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:33:55,132 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:33:55,133 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:33:55,134 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:33:55,135 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:33:55,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:33:55,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:33:55,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:33:55,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:33:55,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:33:55,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:33:55,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:33:55,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:33:55,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:33:55,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:33:55,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:33:55,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:33:55,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:33:55,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:33:55,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:33:55,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:33:55,142 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:33:55,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:33:55,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:33:55,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:33:55,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:33:55,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:33:55,145 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_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2023-11-21 19:33:55,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:33:55,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:33:55,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:33:55,488 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:33:55,488 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:33:55,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 19:33:58,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:33:59,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:33:59,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 19:33:59,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/data/4efea22b6/8e4ff7947eda4517aa30a52b44d9c616/FLAG2e5c4efab [2023-11-21 19:33:59,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/data/4efea22b6/8e4ff7947eda4517aa30a52b44d9c616 [2023-11-21 19:33:59,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:33:59,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:33:59,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:33:59,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:33:59,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:33:59,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:33:59" (1/1) ... [2023-11-21 19:33:59,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4510e4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:33:59, skipping insertion in model container [2023-11-21 19:33:59,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:33:59" (1/1) ... [2023-11-21 19:33:59,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:34:02,136 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_6000299e-77fc-4ce3-91d6-d3f463e71bb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-21 19:34:02,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:34:02,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:34:02,364 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] [2023-11-21 19:34:02,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-21 19:34:02,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-21 19:34:02,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4823] [2023-11-21 19:34:02,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4826] [2023-11-21 19:34:02,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4829] [2023-11-21 19:34:02,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4832] [2023-11-21 19:34:02,436 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)); [5057-5058] [2023-11-21 19:34:02,436 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)); [5065-5066] [2023-11-21 19:34:02,437 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)); [5073-5074] [2023-11-21 19:34:02,437 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)); [5100-5101] [2023-11-21 19:34:02,438 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)); [5108-5109] [2023-11-21 19:34:02,842 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_6000299e-77fc-4ce3-91d6-d3f463e71bb2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-21 19:34:02,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:34:02,963 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:34:02,963 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:34:02,963 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:34:02,964 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:34:02,971 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:34:02,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02 WrapperNode [2023-11-21 19:34:02,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:34:02,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:34:02,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:34:02,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:34:02,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,454 INFO L138 Inliner]: procedures = 248, calls = 4225, calls flagged for inlining = 108, calls inlined = 103, statements flattened = 10857 [2023-11-21 19:34:03,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:34:03,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:34:03,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:34:03,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:34:03,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:34:03,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:34:03,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:34:03,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:34:03,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (1/1) ... [2023-11-21 19:34:03,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:34:04,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:34:04,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:34:04,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6000299e-77fc-4ce3-91d6-d3f463e71bb2/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:34:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 19:34:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 19:34:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-21 19:34:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-21 19:34:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 19:34:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 19:34:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 19:34:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 19:34:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 19:34:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 19:34:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 19:34:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 19:34:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 19:34:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 19:34:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 19:34:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-21 19:34:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-21 19:34:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 19:34:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 19:34:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-21 19:34:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-21 19:34:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 19:34:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 19:34:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-21 19:34:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-21 19:34:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-21 19:34:04,075 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-21 19:34:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 19:34:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 19:34:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-21 19:34:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-21 19:34:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-21 19:34:04,076 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-21 19:34:04,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-21 19:34:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-21 19:34:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 19:34:04,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 19:34:04,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 19:34:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 19:34:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-21 19:34:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-21 19:34:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-21 19:34:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-21 19:34:04,088 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-21 19:34:04,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-21 19:34:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-21 19:34:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-21 19:34:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:34:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:34:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:34:04,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:34:04,089 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-21 19:34:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-21 19:34:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-21 19:34:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-21 19:34:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-21 19:34:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-21 19:34:04,090 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-21 19:34:04,090 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-21 19:34:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-21 19:34:04,091 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-21 19:34:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:34:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 19:34:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:34:04,091 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-21 19:34:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-21 19:34:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-21 19:34:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-21 19:34:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-21 19:34:04,092 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-21 19:34:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:34:04,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2023-11-21 19:34:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2023-11-21 19:34:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-21 19:34:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-21 19:34:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-21 19:34:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-21 19:34:04,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 19:34:04,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 19:34:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-21 19:34:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-21 19:34:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-21 19:34:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-21 19:34:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-21 19:34:04,094 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-21 19:34:04,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:34:04,098 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-21 19:34:04,098 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-21 19:34:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 19:34:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 19:34:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 19:34:04,099 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 19:34:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 19:34:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 19:34:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 19:34:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-21 19:34:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-21 19:34:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 19:34:04,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 19:34:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-21 19:34:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-21 19:34:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 19:34:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 19:34:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-21 19:34:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-21 19:34:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 19:34:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-21 19:34:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-21 19:34:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 19:34:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 19:34:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-21 19:34:04,103 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-21 19:34:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 19:34:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:34:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-21 19:34:04,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-21 19:34:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-21 19:34:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-21 19:34:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-21 19:34:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-21 19:34:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 19:34:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 19:34:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-21 19:34:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-21 19:34:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-21 19:34:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-21 19:34:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-21 19:34:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-21 19:34:04,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 19:34:04,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 19:34:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-21 19:34:04,109 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-21 19:34:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 19:34:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 19:34:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-21 19:34:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-21 19:34:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 19:34:04,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 19:34:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:34:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 19:34:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 19:34:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-21 19:34:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-21 19:34:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-21 19:34:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-21 19:34:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-21 19:34:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-21 19:34:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 19:34:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 19:34:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 19:34:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 19:34:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-21 19:34:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-21 19:34:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:34:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 19:34:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 19:34:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-21 19:34:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-21 19:34:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 19:34:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 19:34:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:34:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-21 19:34:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-21 19:34:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-21 19:34:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-21 19:34:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-21 19:34:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-21 19:34:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-21 19:34:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-21 19:34:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:34:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 19:34:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-21 19:34:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-21 19:34:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-21 19:34:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-21 19:34:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-21 19:34:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-21 19:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-21 19:34:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-21 19:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 19:34:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 19:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-21 19:34:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-21 19:34:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-21 19:34:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-21 19:34:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-21 19:34:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-21 19:34:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-21 19:34:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-21 19:34:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-21 19:34:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-21 19:34:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 19:34:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 19:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-21 19:34:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-21 19:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-21 19:34:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-21 19:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-21 19:34:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-21 19:34:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:34:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-21 19:34:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-21 19:34:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-21 19:34:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-21 19:34:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:34:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:34:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 19:34:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 19:34:05,296 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:34:05,300 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:34:05,421 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 19:34:24,000 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:34:30,806 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:34:30,806 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 19:34:30,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:34:30 BoogieIcfgContainer [2023-11-21 19:34:30,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:34:30,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:34:30,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:34:30,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:34:30,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:33:59" (1/3) ... [2023-11-21 19:34:30,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edee814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:34:30, skipping insertion in model container [2023-11-21 19:34:30,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:34:02" (2/3) ... [2023-11-21 19:34:30,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1edee814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:34:30, skipping insertion in model container [2023-11-21 19:34:30,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:34:30" (3/3) ... [2023-11-21 19:34:30,818 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 19:34:30,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:34:30,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:34:30,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:34:30,942 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;@6ab45dca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:34:30,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:34:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) [2023-11-21 19:34:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-21 19:34:31,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:34:31,008 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] [2023-11-21 19:34:31,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:34:31,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:34:31,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1640983419, now seen corresponding path program 1 times [2023-11-21 19:34:31,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:34:31,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850192440] [2023-11-21 19:34:31,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:34:31,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:34:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:34:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-11-21 19:34:32,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:34:32,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850192440] [2023-11-21 19:34:32,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850192440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:34:32,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:34:32,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:34:32,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808121838] [2023-11-21 19:34:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:34:32,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:34:32,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:34:32,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:34:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:34:32,611 INFO L87 Difference]: Start difference. First operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-21 19:34:33,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:34:37,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:34:39,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:34:41,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:34:43,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:34:45,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []