./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:45,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:45,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:19:45,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:45,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:45,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:45,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:45,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:45,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:45,602 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:45,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:45,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:45,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:45,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:45,621 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:45,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:45,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:45,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:19:45,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:45,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:45,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:45,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:45,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:45,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:45,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:45,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:45,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:45,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:45,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:45,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:45,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:45,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:45,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:19:45,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:19:45,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:45,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:45,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:45,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:45,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:45,634 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2023-11-21 22:19:45,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:46,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:46,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:46,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:46,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:46,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:19:48,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:49,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:49,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:19:49,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/data/cf25ac5d4/e6c19336ff65476e973ea350db2c3a6e/FLAG0df594f2f [2023-11-21 22:19:49,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/data/cf25ac5d4/e6c19336ff65476e973ea350db2c3a6e [2023-11-21 22:19:49,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:49,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:49,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:49,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:49,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:49,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:49" (1/1) ... [2023-11-21 22:19:49,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434e546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:49, skipping insertion in model container [2023-11-21 22:19:49,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:49" (1/1) ... [2023-11-21 22:19:50,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:52,743 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_9ad7e972-a401-4535-83c8-b609b86ea97c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-11-21 22:19:53,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:53,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:53,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4662-4663] [2023-11-21 22:19:53,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4672] [2023-11-21 22:19:53,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4679] [2023-11-21 22:19:53,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4712] [2023-11-21 22:19:53,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4715] [2023-11-21 22:19:53,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4718] [2023-11-21 22:19:53,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4721] [2023-11-21 22:19:53,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5106-5107] [2023-11-21 22:19:53,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5114-5115] [2023-11-21 22:19:53,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5122-5123] [2023-11-21 22:19:53,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5149-5150] [2023-11-21 22:19:53,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5157-5158] [2023-11-21 22:19:53,768 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_9ad7e972-a401-4535-83c8-b609b86ea97c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2023-11-21 22:19:53,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:53,931 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:53,931 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:53,931 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:53,932 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:53,940 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:53,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53 WrapperNode [2023-11-21 22:19:53,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:53,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:53,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:53,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:53,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:54,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:54,501 INFO L138 Inliner]: procedures = 319, calls = 4347, calls flagged for inlining = 123, calls inlined = 115, statements flattened = 10593 [2023-11-21 22:19:54,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:54,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:54,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:54,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:54,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:54,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:54,586 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,173 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_strcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:19:57,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:57,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:57,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:57,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:57,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (1/1) ... [2023-11-21 22:19:57,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:57,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:57,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:57,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad7e972-a401-4535-83c8-b609b86ea97c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 22:19:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 22:19:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-21 22:19:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-21 22:19:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:19:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:19:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:19:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:19:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 22:19:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:19:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:19:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:19:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:19:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:19:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:19:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-21 22:19:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-21 22:19:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 22:19:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 22:19:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-21 22:19:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-21 22:19:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 22:19:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 22:19:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-21 22:19:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-21 22:19:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-21 22:19:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-21 22:19:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:19:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:19:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-21 22:19:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-21 22:19:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-21 22:19:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-21 22:19:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-21 22:19:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2023-11-21 22:19:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-21 22:19:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2023-11-21 22:19:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:19:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:19:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:19:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:19:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-21 22:19:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-21 22:19:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-21 22:19:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-21 22:19:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-21 22:19:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-21 22:19:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-21 22:19:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-21 22:19:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:19:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:19:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:19:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:19:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-21 22:19:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-21 22:19:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-21 22:19:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-21 22:19:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 22:19:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 22:19:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-21 22:19:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-21 22:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2023-11-21 22:19:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2023-11-21 22:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-21 22:19:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-21 22:19:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-21 22:19:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-21 22:19:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:19:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:19:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-21 22:19:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2023-11-21 22:19:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:19:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-21 22:19:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-21 22:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-21 22:19:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-21 22:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-21 22:19:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-21 22:19:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2023-11-21 22:19:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2023-11-21 22:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-21 22:19:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-21 22:19:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-21 22:19:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-21 22:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:19:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-21 22:19:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-21 22:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-21 22:19:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-21 22:19:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-21 22:19:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-21 22:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-21 22:19:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-21 22:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:19:57,731 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-21 22:19:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-21 22:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:19:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:19:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:19:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:19:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:19:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:19:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:19:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-21 22:19:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-21 22:19:57,733 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 22:19:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 22:19:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-21 22:19:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-21 22:19:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-21 22:19:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-21 22:19:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:19:57,734 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-21 22:19:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-21 22:19:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:19:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:19:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-21 22:19:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-21 22:19:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:19:57,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:19:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-21 22:19:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-21 22:19:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-21 22:19:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-21 22:19:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:19:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:19:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-21 22:19:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-21 22:19:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-21 22:19:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-21 22:19:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-21 22:19:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-21 22:19:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-21 22:19:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-21 22:19:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:19:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:19:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-21 22:19:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-21 22:19:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 22:19:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 22:19:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:19:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 22:19:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 22:19:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-21 22:19:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-21 22:19:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-21 22:19:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-21 22:19:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-21 22:19:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-21 22:19:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:19:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:19:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:19:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:19:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-21 22:19:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-21 22:19:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:19:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-21 22:19:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-21 22:19:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:19:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:19:57,742 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-21 22:19:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-21 22:19:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:19:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:19:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-21 22:19:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-21 22:19:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:19:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:19:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-21 22:19:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-21 22:19:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-21 22:19:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-21 22:19:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-21 22:19:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-21 22:19:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:19:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:19:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-21 22:19:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-21 22:19:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-21 22:19:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-21 22:19:57,745 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-21 22:19:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-21 22:19:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-21 22:19:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-21 22:19:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:19:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:19:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-21 22:19:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-21 22:19:57,746 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-21 22:19:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-21 22:19:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-21 22:19:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-21 22:19:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-21 22:19:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-21 22:19:57,747 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-21 22:19:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-21 22:19:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:19:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:19:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-21 22:19:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-21 22:19:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-21 22:19:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-21 22:19:57,748 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-21 22:19:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-21 22:19:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:19:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-21 22:19:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-21 22:19:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-21 22:19:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-21 22:19:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:19:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:19:58,871 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:58,875 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:58,997 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:20:17,798 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:20:29,830 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:20:29,830 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:20:29,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:29 BoogieIcfgContainer [2023-11-21 22:20:29,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:20:29,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:20:29,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:20:29,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:20:29,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:19:49" (1/3) ... [2023-11-21 22:20:29,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae5ca08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:29, skipping insertion in model container [2023-11-21 22:20:29,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:53" (2/3) ... [2023-11-21 22:20:29,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae5ca08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:29, skipping insertion in model container [2023-11-21 22:20:29,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:29" (3/3) ... [2023-11-21 22:20:29,841 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:20:29,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:20:29,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:20:29,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:20:30,001 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=PETRI_NET, 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;@64130d30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:20:30,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:20:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 2609 states, 1737 states have (on average 1.3926309729418538) internal successors, (2419), 1774 states have internal predecessors, (2419), 772 states have call successors, (772), 99 states have call predecessors, (772), 98 states have return successors, (761), 758 states have call predecessors, (761), 761 states have call successors, (761) [2023-11-21 22:20:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2023-11-21 22:20:30,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:20:30,068 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:20:30,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:20:30,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:30,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1417362094, now seen corresponding path program 1 times [2023-11-21 22:20:30,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:30,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694203834] [2023-11-21 22:20:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:30,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:20:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:20:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:20:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:20:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:20:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:20:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:20:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:20:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:20:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:20:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 22:20:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 22:20:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 22:20:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-21 22:20:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:20:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-21 22:20:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-21 22:20:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-21 22:20:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-21 22:20:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 22:20:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-21 22:20:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-21 22:20:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-21 22:20:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-21 22:20:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:20:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-21 22:20:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-21 22:20:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-11-21 22:20:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-21 22:20:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-21 22:20:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-21 22:20:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-21 22:20:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-11-21 22:20:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:32,730 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 22:20:32,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:20:32,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694203834] [2023-11-21 22:20:32,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694203834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:20:32,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:20:32,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:20:32,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935492557] [2023-11-21 22:20:32,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:20:32,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:20:32,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:20:32,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:20:32,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:20:32,779 INFO L87 Difference]: Start difference. First operand has 2609 states, 1737 states have (on average 1.3926309729418538) internal successors, (2419), 1774 states have internal predecessors, (2419), 772 states have call successors, (772), 99 states have call predecessors, (772), 98 states have return successors, (761), 758 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-21 22:20:34,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []