./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/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_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:39,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:39,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:39,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:39,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:39,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:39,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:39,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:39,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:39,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:39,418 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:39,420 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:39,421 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:39,424 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:39,424 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:39,425 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:39,426 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:39,426 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:39,427 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:39,428 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:39,431 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:39,432 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:39,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:39,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:39,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:39,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:39,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:39,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:39,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:39,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:39,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:39,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:39,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:39,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:39,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:39,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:39,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:39,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:39,444 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:39,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:39,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:39,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:39,448 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:39,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:39,450 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_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2023-11-23 21:27:39,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:39,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:39,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:39,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:39,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:39,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:27:43,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:44,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:44,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/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 [2023-11-23 21:27:44,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/data/84e2d998b/8626785ed7ea4a66b721be90f946be83/FLAG1344476e9 [2023-11-23 21:27:44,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/data/84e2d998b/8626785ed7ea4a66b721be90f946be83 [2023-11-23 21:27:44,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:44,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:44,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:44,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:44,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:44,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:44" (1/1) ... [2023-11-23 21:27:44,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d608e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:44, skipping insertion in model container [2023-11-23 21:27:44,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:44" (1/1) ... [2023-11-23 21:27:44,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:47,744 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_f5cc5cca-babd-4085-9e0f-70ec07d56f05/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] [2023-11-23 21:27:47,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:47,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:48,101 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] [2023-11-23 21:27:48,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-23 21:27:48,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-23 21:27:48,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4728] [2023-11-23 21:27:48,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4731] [2023-11-23 21:27:48,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4734] [2023-11-23 21:27:48,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4737] [2023-11-23 21:27:48,137 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] [2023-11-23 21:27:48,138 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] [2023-11-23 21:27:48,139 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] [2023-11-23 21:27:48,142 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] [2023-11-23 21:27:48,143 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] [2023-11-23 21:27:48,648 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_f5cc5cca-babd-4085-9e0f-70ec07d56f05/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] [2023-11-23 21:27:48,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:48,813 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:48,813 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:48,814 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:48,814 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:48,824 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:48,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48 WrapperNode [2023-11-23 21:27:48,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:48,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:48,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:48,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:48,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,438 INFO L138 Inliner]: procedures = 247, calls = 4219, calls flagged for inlining = 107, calls inlined = 102, statements flattened = 10490 [2023-11-23 21:27:49,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:49,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:49,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:49,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:49,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:49,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:50,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:50,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:50,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:50,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:50,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:50,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:50,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:50,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (1/1) ... [2023-11-23 21:27:50,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:50,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:50,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5cc5cca-babd-4085-9e0f-70ec07d56f05/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:27:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-23 21:27:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-23 21:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:27:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:27:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:27:50,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:27:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-23 21:27:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-23 21:27:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 21:27:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 21:27:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-23 21:27:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-23 21:27:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:27:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:27:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-23 21:27:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-23 21:27:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-23 21:27:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-23 21:27:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:27:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:27:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-23 21:27:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-23 21:27:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-23 21:27:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-23 21:27:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-23 21:27:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-23 21:27:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:27:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:27:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:27:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:27:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-23 21:27:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-23 21:27:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-23 21:27:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-23 21:27:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-23 21:27:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-23 21:27:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-23 21:27:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-23 21:27:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:27:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:27:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:27:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:27:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-23 21:27:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-23 21:27:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-23 21:27:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-23 21:27:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-23 21:27:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-23 21:27:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-23 21:27:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-23 21:27:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-23 21:27:50,414 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-23 21:27:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:27:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:27:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:27:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-23 21:27:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-23 21:27:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-23 21:27:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-23 21:27:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-23 21:27:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-23 21:27:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:27:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-23 21:27:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-23 21:27:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-23 21:27:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-23 21:27:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:27:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:27:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 21:27:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 21:27:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-23 21:27:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-23 21:27:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-23 21:27:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-23 21:27:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:27:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-23 21:27:50,419 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-23 21:27:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:27:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:27:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:27:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:27:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:27:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:27:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:27:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:27:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:27:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-23 21:27:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-23 21:27:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:27:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:27:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-23 21:27:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-23 21:27:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:27:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:27:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-23 21:27:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-23 21:27:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:27:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-23 21:27:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-23 21:27:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:27:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:27:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-23 21:27:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-23 21:27:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:27:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:27:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-23 21:27:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-23 21:27:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-23 21:27:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-23 21:27:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:27:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:27:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-23 21:27:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-23 21:27:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-23 21:27:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-23 21:27:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-23 21:27:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-23 21:27:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-23 21:27:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-23 21:27:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:27:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:27:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-23 21:27:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-23 21:27:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 21:27:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-23 21:27:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:27:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:27:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:27:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-23 21:27:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-23 21:27:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-23 21:27:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-23 21:27:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-23 21:27:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-23 21:27:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:27:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:27:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:27:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:27:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-23 21:27:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-23 21:27:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:27:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-23 21:27:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-23 21:27:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:27:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:27:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-23 21:27:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-23 21:27:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:27:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:27:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-23 21:27:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-23 21:27:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-23 21:27:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-23 21:27:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-23 21:27:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-23 21:27:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-23 21:27:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-23 21:27:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:27:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:27:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-23 21:27:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-23 21:27:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-23 21:27:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-23 21:27:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-23 21:27:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-23 21:27:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-23 21:27:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-23 21:27:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:27:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:27:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-23 21:27:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-23 21:27:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-23 21:27:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-23 21:27:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-23 21:27:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-23 21:27:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-23 21:27:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-23 21:27:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-23 21:27:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-23 21:27:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:27:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:27:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-23 21:27:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-23 21:27:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-23 21:27:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-23 21:27:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-23 21:27:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-23 21:27:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2023-11-23 21:27:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2023-11-23 21:27:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-23 21:27:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-23 21:27:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-23 21:27:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-23 21:27:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:27:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:27:51,872 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:51,881 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:52,137 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:28:11,954 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:19,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:19,586 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:28:19,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:19 BoogieIcfgContainer [2023-11-23 21:28:19,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:19,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:19,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:19,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:19,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:44" (1/3) ... [2023-11-23 21:28:19,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1129d5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:19, skipping insertion in model container [2023-11-23 21:28:19,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:48" (2/3) ... [2023-11-23 21:28:19,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1129d5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:19, skipping insertion in model container [2023-11-23 21:28:19,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:19" (3/3) ... [2023-11-23 21:28:19,605 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-23 21:28:19,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:19,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:19,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:19,784 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;@b3345f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:19,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:19,806 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) [2023-11-23 21:28:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-23 21:28:19,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:19,868 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] [2023-11-23 21:28:19,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:19,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash -82887724, now seen corresponding path program 1 times [2023-11-23 21:28:19,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:19,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514756245] [2023-11-23 21:28:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2023-11-23 21:28:22,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:22,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514756245] [2023-11-23 21:28:22,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514756245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:22,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:22,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:28:22,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769171990] [2023-11-23 21:28:22,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:22,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:28:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:22,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:28:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:22,339 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) [2023-11-23 21:28:24,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []