./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/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_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/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_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/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 b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:17:35,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:17:35,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:17:35,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:17:35,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:17:35,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:17:35,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:17:35,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:17:35,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:17:35,226 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:17:35,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:17:35,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:17:35,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:17:35,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:17:35,230 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:17:35,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:17:35,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:17:35,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:17:35,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:17:35,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:17:35,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:17:35,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:17:35,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:17:35,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:17:35,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:17:35,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:17:35,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:17:35,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:17:35,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:35,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:17:35,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:17:35,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:17:35,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:17:35,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:17:35,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:17:35,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:17:35,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:17:35,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:17:35,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:17:35,252 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_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2023-11-21 22:17:35,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:17:35,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:17:35,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:17:35,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:17:35,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:17:35,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:17:38,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:17:39,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:17:39,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:17:39,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/data/588f14419/c822522a22bd4abe9a591ee6311b78f6/FLAGaff3e1db7 [2023-11-21 22:17:39,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/data/588f14419/c822522a22bd4abe9a591ee6311b78f6 [2023-11-21 22:17:39,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:17:39,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:17:39,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:39,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:17:39,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:17:39,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:39" (1/1) ... [2023-11-21 22:17:39,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8dc9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:39, skipping insertion in model container [2023-11-21 22:17:39,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:17:39" (1/1) ... [2023-11-21 22:17:39,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:17:42,073 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_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-21 22:17:42,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:42,185 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:17:42,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4668-4669] [2023-11-21 22:17:42,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-21 22:17:42,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-21 22:17:42,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4823] [2023-11-21 22:17:42,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4826] [2023-11-21 22:17:42,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4829] [2023-11-21 22:17:42,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4832] [2023-11-21 22:17:42,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5057-5058] [2023-11-21 22:17:42,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5065-5066] [2023-11-21 22:17:42,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5073-5074] [2023-11-21 22:17:42,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5100-5101] [2023-11-21 22:17:42,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5108-5109] [2023-11-21 22:17:42,860 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_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2023-11-21 22:17:42,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:17:42,986 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:17:42,986 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:17:42,986 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:17:42,987 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:17:42,994 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:17:42,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42 WrapperNode [2023-11-21 22:17:42,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:17:42,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:42,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:17:42,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:17:43,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:43,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:43,577 INFO L138 Inliner]: procedures = 248, calls = 4225, calls flagged for inlining = 108, calls inlined = 103, statements flattened = 10857 [2023-11-21 22:17:43,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:17:43,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:17:43,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:17:43,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:17:43,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:43,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:43,672 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:45,992 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 22:17:45,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:45,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:17:46,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:17:46,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:17:46,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:17:46,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (1/1) ... [2023-11-21 22:17:46,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:17:46,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:17:46,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:17:46,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3dbbde-06b5-4221-ac30-1bb9d464f20e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:17:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 22:17:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 22:17:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-21 22:17:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-21 22:17:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:17:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:17:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:17:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:17:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 22:17:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:17:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:17:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:17:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:17:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:17:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:17:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-21 22:17:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-21 22:17:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 22:17:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 22:17:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-21 22:17:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-21 22:17:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 22:17:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 22:17:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-21 22:17:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-21 22:17:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-21 22:17:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-21 22:17:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:17:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:17:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-21 22:17:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-21 22:17:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-21 22:17:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-21 22:17:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-21 22:17:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-21 22:17:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:17:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:17:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:17:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:17:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-21 22:17:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-21 22:17:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-21 22:17:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-21 22:17:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-21 22:17:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-21 22:17:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-21 22:17:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-21 22:17:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:17:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:17:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:17:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:17:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-21 22:17:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-21 22:17:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-21 22:17:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-21 22:17:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-21 22:17:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-21 22:17:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-21 22:17:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:17:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-21 22:17:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-21 22:17:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-21 22:17:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-21 22:17:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-21 22:17:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-21 22:17:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:17:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2023-11-21 22:17:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2023-11-21 22:17:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-21 22:17:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-21 22:17:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-21 22:17:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-21 22:17:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:17:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:17:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-21 22:17:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-21 22:17:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-21 22:17:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-21 22:17:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-21 22:17:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-21 22:17:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:17:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-21 22:17:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-21 22:17:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:17:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:17:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:17:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:17:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:17:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:17:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:17:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-21 22:17:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-21 22:17:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 22:17:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 22:17:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-21 22:17:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-21 22:17:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:17:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:17:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-21 22:17:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-21 22:17:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:17:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-21 22:17:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-21 22:17:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:17:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:17:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-21 22:17:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-21 22:17:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:17:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:17:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-11-21 22:17:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-11-21 22:17:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-21 22:17:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-21 22:17:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-21 22:17:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-21 22:17:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:17:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:17:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-21 22:17:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-21 22:17:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-21 22:17:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-21 22:17:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-21 22:17:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-21 22:17:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:17:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:17:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-21 22:17:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-21 22:17:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:17:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:17:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-21 22:17:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-21 22:17:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-21 22:17:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-21 22:17:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:17:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 22:17:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 22:17:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-21 22:17:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-21 22:17:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-21 22:17:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-21 22:17:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-21 22:17:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-21 22:17:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:17:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:17:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:17:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:17:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-21 22:17:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-21 22:17:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:17:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:17:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:17:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-21 22:17:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-21 22:17:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:17:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:17:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:17:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-21 22:17:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-21 22:17:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-21 22:17:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-21 22:17:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-21 22:17:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-21 22:17:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-21 22:17:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-21 22:17:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:17:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:17:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-21 22:17:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-21 22:17:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-21 22:17:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-21 22:17:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-21 22:17:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-21 22:17:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-21 22:17:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-21 22:17:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 22:17:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 22:17:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-21 22:17:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-21 22:17:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-21 22:17:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-21 22:17:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-21 22:17:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-21 22:17:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-21 22:17:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-21 22:17:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-21 22:17:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-21 22:17:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-21 22:17:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-21 22:17:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-21 22:17:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-21 22:17:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-21 22:17:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-21 22:17:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-21 22:17:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-21 22:17:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:17:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-21 22:17:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-21 22:17:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-21 22:17:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-21 22:17:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:17:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:17:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 22:17:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 22:17:47,733 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:17:47,742 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:17:47,861 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:18:05,425 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:18:15,823 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:18:15,823 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:18:15,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:15 BoogieIcfgContainer [2023-11-21 22:18:15,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:18:15,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:18:15,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:18:15,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:18:15,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:17:39" (1/3) ... [2023-11-21 22:18:15,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675eb449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:15, skipping insertion in model container [2023-11-21 22:18:15,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:17:42" (2/3) ... [2023-11-21 22:18:15,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675eb449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:18:15, skipping insertion in model container [2023-11-21 22:18:15,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:18:15" (3/3) ... [2023-11-21 22:18:15,835 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-21 22:18:15,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:18:15,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:18:15,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:18:16,000 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;@2d15c9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:18:16,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:18:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) [2023-11-21 22:18:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-21 22:18:16,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:18:16,054 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:18:16,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:18:16,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:18:16,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1640983419, now seen corresponding path program 1 times [2023-11-21 22:18:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:18:16,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753636357] [2023-11-21 22:18:16,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:18:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:18:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:18:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:18:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:18:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:18:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:18:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:18:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:18:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:18:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:18:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:18:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-21 22:18:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-21 22:18:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-21 22:18:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-21 22:18:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:18:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-21 22:18:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-21 22:18:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-21 22:18:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-21 22:18:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 22:18:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-21 22:18:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-21 22:18:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-21 22:18:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-21 22:18:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:18:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-21 22:18:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-21 22:18:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-11-21 22:18:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2023-11-21 22:18:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-21 22:18:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-11-21 22:18:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-21 22:18:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-11-21 22:18:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:18:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-21 22:18:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-21 22:18:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:18:18,988 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 22:18:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:18:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753636357] [2023-11-21 22:18:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753636357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:18:18,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:18:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:18:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487040372] [2023-11-21 22:18:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:18:18,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:18:19,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:18:19,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:18:19,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:18:19,041 INFO L87 Difference]: Start difference. First operand has 2559 states, 1710 states have (on average 1.394736842105263) internal successors, (2385), 1740 states have internal predecessors, (2385), 754 states have call successors, (754), 94 states have call predecessors, (754), 93 states have return successors, (743), 740 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-21 22:18:21,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:18:22,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []