./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu --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 bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:32,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:32,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:32,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:32,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:32,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:32,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:32,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:32,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:32,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:32,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:32,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:32,523 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:32,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:32,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:32,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:32,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:32,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:32,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:32,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:32,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:32,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:32,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:32,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:32,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:32,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:32,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:32,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:32,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:32,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:32,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:32,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:32,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:32,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:32,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:32,553 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:32,553 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_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2023-11-19 08:02:32,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:32,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:32,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:32,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:32,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:32,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 08:02:35,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:36,755 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:36,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 08:02:36,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/data/39af17306/90d1fc4d28fd4621b9b8ae62a3593d39/FLAG55946f62f [2023-11-19 08:02:36,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/data/39af17306/90d1fc4d28fd4621b9b8ae62a3593d39 [2023-11-19 08:02:36,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:36,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:36,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:36,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:36,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:36,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:36" (1/1) ... [2023-11-19 08:02:36,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d486fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:36, skipping insertion in model container [2023-11-19 08:02:36,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:36" (1/1) ... [2023-11-19 08:02:37,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:39,772 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_0644fc49-ac12-44cb-8a12-087bb3c0f98f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2023-11-19 08:02:39,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:39,890 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:40,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4668-4669] [2023-11-19 08:02:40,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4678] [2023-11-19 08:02:40,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [4685] [2023-11-19 08:02:40,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4728] [2023-11-19 08:02:40,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4731] [2023-11-19 08:02:40,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4734] [2023-11-19 08:02:40,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4737] [2023-11-19 08:02:40,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (90), "i" (12UL)); [5080-5081] [2023-11-19 08:02:40,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (92), "i" (12UL)); [5088-5089] [2023-11-19 08:02:40,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (93), "i" (12UL)); [5096-5097] [2023-11-19 08:02:40,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [5123-5124] [2023-11-19 08:02:40,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [5131-5132] [2023-11-19 08:02:40,651 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_0644fc49-ac12-44cb-8a12-087bb3c0f98f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2023-11-19 08:02:40,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:40,770 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:40,771 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:40,771 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:40,771 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:40,780 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:40,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40 WrapperNode [2023-11-19 08:02:40,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:40,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:40,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:40,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:40,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,317 INFO L138 Inliner]: procedures = 247, calls = 4219, calls flagged for inlining = 107, calls inlined = 102, statements flattened = 10490 [2023-11-19 08:02:41,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:41,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:41,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:41,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:41,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:41,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:42,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:42,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:42,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:42,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:42,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:42,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:42,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:42,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:42,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:42,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0644fc49-ac12-44cb-8a12-087bb3c0f98f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:42,304 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 08:02:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 08:02:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2023-11-19 08:02:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2023-11-19 08:02:42,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 08:02:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 08:02:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 08:02:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 08:02:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 08:02:42,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:02:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:02:42,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:02:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:02:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2023-11-19 08:02:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2023-11-19 08:02:42,308 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 08:02:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 08:02:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2023-11-19 08:02:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2023-11-19 08:02:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 08:02:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 08:02:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2023-11-19 08:02:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2023-11-19 08:02:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2023-11-19 08:02:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2023-11-19 08:02:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2023-11-19 08:02:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2023-11-19 08:02:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2023-11-19 08:02:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2023-11-19 08:02:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 08:02:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 08:02:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 08:02:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 08:02:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 08:02:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 08:02:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2023-11-19 08:02:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2023-11-19 08:02:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2023-11-19 08:02:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2023-11-19 08:02:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2023-11-19 08:02:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2023-11-19 08:02:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:02:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:02:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2023-11-19 08:02:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2023-11-19 08:02:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2023-11-19 08:02:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2023-11-19 08:02:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2023-11-19 08:02:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2023-11-19 08:02:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2023-11-19 08:02:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2023-11-19 08:02:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2023-11-19 08:02:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2023-11-19 08:02:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:02:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 08:02:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2023-11-19 08:02:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2023-11-19 08:02:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 08:02:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 08:02:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2023-11-19 08:02:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2023-11-19 08:02:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2023-11-19 08:02:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2023-11-19 08:02:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2023-11-19 08:02:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2023-11-19 08:02:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:02:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:02:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 08:02:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 08:02:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2023-11-19 08:02:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2023-11-19 08:02:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-19 08:02:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-19 08:02:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2023-11-19 08:02:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2023-11-19 08:02:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:02:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:02:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 08:02:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 08:02:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 08:02:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 08:02:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 08:02:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 08:02:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2023-11-19 08:02:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2023-11-19 08:02:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 08:02:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 08:02:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2023-11-19 08:02:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2023-11-19 08:02:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 08:02:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 08:02:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2023-11-19 08:02:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2023-11-19 08:02:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:02:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2023-11-19 08:02:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2023-11-19 08:02:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 08:02:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 08:02:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2023-11-19 08:02:42,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2023-11-19 08:02:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:02:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2023-11-19 08:02:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2023-11-19 08:02:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2023-11-19 08:02:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2023-11-19 08:02:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:42,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2023-11-19 08:02:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2023-11-19 08:02:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2023-11-19 08:02:42,328 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2023-11-19 08:02:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2023-11-19 08:02:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2023-11-19 08:02:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2023-11-19 08:02:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2023-11-19 08:02:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:02:42,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:02:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2023-11-19 08:02:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2023-11-19 08:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-19 08:02:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-11-19 08:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 08:02:42,330 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 08:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2023-11-19 08:02:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2023-11-19 08:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2023-11-19 08:02:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2023-11-19 08:02:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2023-11-19 08:02:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2023-11-19 08:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:02:42,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-19 08:02:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-19 08:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-11-19 08:02:42,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-11-19 08:02:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:02:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:02:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2023-11-19 08:02:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2023-11-19 08:02:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 08:02:42,334 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 08:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2023-11-19 08:02:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2023-11-19 08:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2023-11-19 08:02:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2023-11-19 08:02:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2023-11-19 08:02:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2023-11-19 08:02:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 08:02:42,336 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 08:02:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 08:02:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2023-11-19 08:02:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2023-11-19 08:02:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2023-11-19 08:02:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2023-11-19 08:02:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2023-11-19 08:02:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2023-11-19 08:02:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2023-11-19 08:02:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2023-11-19 08:02:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 08:02:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 08:02:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-19 08:02:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-19 08:02:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2023-11-19 08:02:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2023-11-19 08:02:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2023-11-19 08:02:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2023-11-19 08:02:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2023-11-19 08:02:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2023-11-19 08:02:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2023-11-19 08:02:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2023-11-19 08:02:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:02:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:02:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2023-11-19 08:02:42,340 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2023-11-19 08:02:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-19 08:02:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-11-19 08:02:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2023-11-19 08:02:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2023-11-19 08:02:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2023-11-19 08:02:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2023-11-19 08:02:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2023-11-19 08:02:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2023-11-19 08:02:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2023-11-19 08:02:42,342 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2023-11-19 08:02:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 08:02:42,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 08:02:43,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:43,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:43,997 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:03:04,724 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:04,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:04,763 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:03:04,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:04 BoogieIcfgContainer [2023-11-19 08:03:04,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:04,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:04,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:04,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:04,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:36" (1/3) ... [2023-11-19 08:03:04,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332a50c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:04, skipping insertion in model container [2023-11-19 08:03:04,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (2/3) ... [2023-11-19 08:03:04,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332a50c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:04, skipping insertion in model container [2023-11-19 08:03:04,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:04" (3/3) ... [2023-11-19 08:03:04,796 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2023-11-19 08:03:04,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:04,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:03:04,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:04,944 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;@6e317f9a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:04,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:03:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 3550 states, 2705 states have (on average 1.4591497227356747) internal successors, (3947), 2734 states have internal predecessors, (3947), 750 states have call successors, (750), 94 states have call predecessors, (750), 93 states have return successors, (739), 736 states have call predecessors, (739), 739 states have call successors, (739) [2023-11-19 08:03:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2023-11-19 08:03:05,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:05,030 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:05,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:05,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:05,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2142814584, now seen corresponding path program 1 times [2023-11-19 08:03:05,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538113167] [2023-11-19 08:03:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:05,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:03:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 08:03:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:03:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:03:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 08:03:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 08:03:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 08:03:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 08:03:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 08:03:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:03:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 08:03:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 08:03:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-19 08:03:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-19 08:03:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-19 08:03:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 08:03:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-19 08:03:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-19 08:03:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-19 08:03:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-19 08:03:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 08:03:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2023-11-19 08:03:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2023-11-19 08:03:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-19 08:03:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-19 08:03:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:03:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2023-11-19 08:03:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2023-11-19 08:03:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-19 08:03:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2023-11-19 08:03:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2023-11-19 08:03:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2023-11-19 08:03:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2023-11-19 08:03:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2023-11-19 08:03:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:03:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2023-11-19 08:03:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2023-11-19 08:03:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2023-11-19 08:03:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2023-11-19 08:03:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2023-11-19 08:03:07,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:07,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538113167] [2023-11-19 08:03:07,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538113167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:07,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:07,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:03:07,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47445154] [2023-11-19 08:03:07,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:07,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:03:07,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:07,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:03:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:03:07,544 INFO L87 Difference]: Start difference. First operand has 3550 states, 2705 states have (on average 1.4591497227356747) internal successors, (3947), 2734 states have internal predecessors, (3947), 750 states have call successors, (750), 94 states have call predecessors, (750), 93 states have return successors, (739), 736 states have call predecessors, (739), 739 states have call successors, (739) Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-19 08:03:18,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:20,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:03:22,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []