./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya --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 a0406e8dccf5f59798fec77b2cbc38446a1d3a331f932787b5f2744b9c0033a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:22:04,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:22:04,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:22:04,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:22:04,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:22:04,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:22:04,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:22:04,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:22:04,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:22:04,397 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:22:04,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:22:04,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:22:04,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:22:04,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:22:04,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:22:04,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:22:04,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:22:04,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:22:04,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:22:04,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:22:04,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:22:04,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:22:04,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:22:04,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:22:04,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:22:04,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:22:04,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:22:04,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:22:04,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:04,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:22:04,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:22:04,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:22:04,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:22:04,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:22:04,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:22:04,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:22:04,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:22:04,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:22:04,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:22:04,412 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_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0406e8dccf5f59798fec77b2cbc38446a1d3a331f932787b5f2744b9c0033a1 [2023-11-29 06:22:04,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:22:04,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:22:04,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:22:04,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:22:04,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:22:04,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2023-11-29 06:22:07,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:22:08,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:22:08,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2023-11-29 06:22:08,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/data/9b2ac2f5d/663c12c4af4443159f2a97db69044be6/FLAG88f0cf897 [2023-11-29 06:22:08,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/data/9b2ac2f5d/663c12c4af4443159f2a97db69044be6 [2023-11-29 06:22:08,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:22:08,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:22:08,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:08,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:22:08,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:22:08,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:08" (1/1) ... [2023-11-29 06:22:08,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dc984d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:08, skipping insertion in model container [2023-11-29 06:22:08,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:08" (1/1) ... [2023-11-29 06:22:08,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:22:10,825 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336746,336759] [2023-11-29 06:22:10,830 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336893,336906] [2023-11-29 06:22:10,830 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337032,337045] [2023-11-29 06:22:10,830 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337190,337203] [2023-11-29 06:22:10,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:10,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:22:11,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6743] [2023-11-29 06:22:11,338 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336746,336759] [2023-11-29 06:22:11,338 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[336893,336906] [2023-11-29 06:22:11,339 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337032,337045] [2023-11-29 06:22:11,339 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_177da6f1-5ec9-4e26-ae97-7520babe262a/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[337190,337203] [2023-11-29 06:22:11,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:11,488 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:22:11,496 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:22:11,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11 WrapperNode [2023-11-29 06:22:11,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:11,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:11,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:22:11,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:22:11,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:11,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:13,436 INFO L138 Inliner]: procedures = 318, calls = 5626, calls flagged for inlining = 191, calls inlined = 186, statements flattened = 11518 [2023-11-29 06:22:13,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:13,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:22:13,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:22:13,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:22:13,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:13,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:14,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:17,290 INFO L175 MemorySlicer]: Split 4714 memory accesses to 21 slices as follows [1, 8, 916, 2, 26, 56, 3, 3, 1, 2, 2, 6, 9, 6, 26, 517, 2270, 4, 5, 6, 845]. 48 percent of accesses are in the largest equivalence class. The 1243 initializations are split as follows [0, 8, 345, 0, 0, 0, 3, 3, 1, 2, 0, 6, 8, 1, 13, 248, 269, 3, 3, 6, 324]. The 1663 writes are split as follows [0, 0, 0, 0, 5, 56, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1599, 0, 0, 0, 0]. [2023-11-29 06:22:17,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:17,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:18,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:18,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:19,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:19,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:19,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:22:19,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:22:19,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:22:19,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:22:19,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (1/1) ... [2023-11-29 06:22:19,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:19,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:22:19,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:22:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 06:22:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 06:22:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 06:22:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 06:22:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 06:22:19,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 06:22:19,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 06:22:19,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 06:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2023-11-29 06:22:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2023-11-29 06:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-29 06:22:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-29 06:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 06:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 06:22:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 06:22:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 06:22:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 06:22:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 06:22:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 06:22:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 06:22:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 06:22:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 06:22:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 06:22:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 06:22:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 06:22:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 06:22:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 06:22:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 06:22:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 06:22:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 06:22:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 06:22:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 06:22:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 06:22:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 06:22:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 06:22:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 06:22:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 06:22:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:22:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:22:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-29 06:22:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-29 06:22:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_buffers [2023-11-29 06:22:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_buffers [2023-11-29 06:22:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_device_release [2023-11-29 06:22:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_device_release [2023-11-29 06:22:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_audio [2023-11-29 06:22:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_audio [2023-11-29 06:22:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 06:22:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 06:22:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_config_call [2023-11-29 06:22:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_config_call [2023-11-29 06:22:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:22:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:22:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:22:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:22:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 06:22:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 06:22:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 06:22:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 06:22:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 06:22:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 06:22:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 06:22:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:22:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 06:22:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 06:22:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 06:22:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 06:22:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_disconnect [2023-11-29 06:22:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_disconnect [2023-11-29 06:22:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-29 06:22:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-29 06:22:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-29 06:22:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-29 06:22:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2023-11-29 06:22:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2023-11-29 06:22:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:22:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 06:22:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 06:22:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:22:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:22:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:22:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:22:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:22:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-29 06:22:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-29 06:22:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-29 06:22:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-29 06:22:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_video_info [2023-11-29 06:22:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_video_info [2023-11-29 06:22:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-29 06:22:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-29 06:22:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-29 06:22:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-29 06:22:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2023-11-29 06:22:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2023-11-29 06:22:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_get_next_buffer [2023-11-29 06:22:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_get_next_buffer [2023-11-29 06:22:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-29 06:22:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-29 06:22:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:22:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:22:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:22:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:22:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:22:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:22:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:22:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-29 06:22:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-29 06:22:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 06:22:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 06:22:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-29 06:22:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-29 06:22:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-29 06:22:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-29 06:22:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 06:22:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 06:22:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-29 06:22:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-29 06:22:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-29 06:22:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-29 06:22:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-29 06:22:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-29 06:22:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-29 06:22:19,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-29 06:22:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 06:22:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 06:22:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 06:22:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-29 06:22:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-29 06:22:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:22:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:22:19,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 06:22:19,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 06:22:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 06:22:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 06:22:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 06:22:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 06:22:19,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-29 06:22:19,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:22:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:22:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:22:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:22:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 06:22:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-29 06:22:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-29 06:22:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-29 06:22:19,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-29 06:22:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:22:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:22:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:22:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:22:19,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:22:19,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-29 06:22:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_bitrate [2023-11-29 06:22:19,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_bitrate [2023-11-29 06:22:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_write [2023-11-29 06:22:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_write [2023-11-29 06:22:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-29 06:22:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-29 06:22:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-29 06:22:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-29 06:22:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-29 06:22:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-29 06:22:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_queue [2023-11-29 06:22:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_queue [2023-11-29 06:22:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-29 06:22:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-29 06:22:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 06:22:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 06:22:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-29 06:22:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-29 06:22:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_delete [2023-11-29 06:22:19,269 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_delete [2023-11-29 06:22:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:22:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:22:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_open [2023-11-29 06:22:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_open [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 06:22:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2023-11-29 06:22:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2023-11-29 06:22:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2023-11-29 06:22:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2023-11-29 06:22:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:22:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_stop_streaming [2023-11-29 06:22:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_stop_streaming [2023-11-29 06:22:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:22:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 06:22:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 06:22:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:22:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:22:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:22:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-29 06:22:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-29 06:22:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 06:22:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 06:22:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-29 06:22:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-29 06:22:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-29 06:22:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-29 06:22:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_s_ctrl [2023-11-29 06:22:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_s_ctrl [2023-11-29 06:22:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-29 06:22:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-29 06:22:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-29 06:22:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-29 06:22:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_cancel_queue [2023-11-29 06:22:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_cancel_queue [2023-11-29 06:22:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2023-11-29 06:22:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2023-11-29 06:22:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-29 06:22:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-29 06:22:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_release [2023-11-29 06:22:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_release [2023-11-29 06:22:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_try_ctrl [2023-11-29 06:22:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_try_ctrl [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:22:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:22:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:22:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-29 06:22:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-29 06:22:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-29 06:22:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-29 06:22:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-29 06:22:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:22:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:22:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_start_streaming [2023-11-29 06:22:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_start_streaming [2023-11-29 06:22:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_read [2023-11-29 06:22:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_read [2023-11-29 06:22:20,652 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:22:20,657 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:22:22,076 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 06:23:19,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:23:20,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:23:20,425 INFO L309 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-29 06:23:20,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:23:20 BoogieIcfgContainer [2023-11-29 06:23:20,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:23:20,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:23:20,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:23:20,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:23:20,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:22:08" (1/3) ... [2023-11-29 06:23:20,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5264bc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:23:20, skipping insertion in model container [2023-11-29 06:23:20,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:11" (2/3) ... [2023-11-29 06:23:20,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5264bc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:23:20, skipping insertion in model container [2023-11-29 06:23:20,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:23:20" (3/3) ... [2023-11-29 06:23:20,437 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2023-11-29 06:23:20,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:23:20,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 06:23:20,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:23:20,561 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;@4a51113c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:23:20,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 06:23:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 1365 states, 869 states have (on average 1.384349827387802) internal successors, (1203), 894 states have internal predecessors, (1203), 420 states have call successors, (420), 72 states have call predecessors, (420), 71 states have return successors, (415), 411 states have call predecessors, (415), 415 states have call successors, (415) [2023-11-29 06:23:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-29 06:23:20,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:23:20,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:23:20,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:23:20,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:23:20,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1301651319, now seen corresponding path program 1 times [2023-11-29 06:23:20,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:23:20,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307750829] [2023-11-29 06:23:20,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:23:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:23:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:23:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:23:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:23:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:23:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 06:23:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-29 06:23:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:23:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 06:23:22,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:23:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307750829] [2023-11-29 06:23:22,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307750829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:23:22,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:23:22,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:23:22,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621419149] [2023-11-29 06:23:22,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:23:22,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:23:22,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:23:22,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:23:22,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:23:22,443 INFO L87 Difference]: Start difference. First operand has 1365 states, 869 states have (on average 1.384349827387802) internal successors, (1203), 894 states have internal predecessors, (1203), 420 states have call successors, (420), 72 states have call predecessors, (420), 71 states have return successors, (415), 411 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:23:28,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:32,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:36,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:41,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:45,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:49,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:53,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:23:57,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:01,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:06,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:07,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:24:07,666 INFO L93 Difference]: Finished difference Result 3943 states and 5957 transitions. [2023-11-29 06:24:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:24:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2023-11-29 06:24:07,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:24:07,715 INFO L225 Difference]: With dead ends: 3943 [2023-11-29 06:24:07,715 INFO L226 Difference]: Without dead ends: 2608 [2023-11-29 06:24:07,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:24:07,734 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 2009 mSDsluCounter, 4013 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 4 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 6296 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:24:07,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 6296 Invalid, 691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 677 Invalid, 10 Unknown, 0 Unchecked, 44.8s Time] [2023-11-29 06:24:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2023-11-29 06:24:07,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2602. [2023-11-29 06:24:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2602 states, 1677 states have (on average 1.3667262969588552) internal successors, (2292), 1713 states have internal predecessors, (2292), 784 states have call successors, (784), 138 states have call predecessors, (784), 137 states have return successors, (785), 774 states have call predecessors, (785), 782 states have call successors, (785) [2023-11-29 06:24:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3861 transitions. [2023-11-29 06:24:08,022 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3861 transitions. Word has length 34 [2023-11-29 06:24:08,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:24:08,023 INFO L495 AbstractCegarLoop]: Abstraction has 2602 states and 3861 transitions. [2023-11-29 06:24:08,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 06:24:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3861 transitions. [2023-11-29 06:24:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 06:24:08,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:24:08,030 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:24:08,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:24:08,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:24:08,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:24:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1746326343, now seen corresponding path program 1 times [2023-11-29 06:24:08,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:24:08,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937228534] [2023-11-29 06:24:08,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:24:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:24:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:24:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:24:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:24:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:24:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:24:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:24:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:24:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:24:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:24:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:24:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:24:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:24:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:24:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 06:24:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:24:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:24:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:24:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:24:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 06:24:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:24:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2023-11-29 06:24:09,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:24:09,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937228534] [2023-11-29 06:24:09,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937228534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:24:09,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:24:09,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:24:09,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243310457] [2023-11-29 06:24:09,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:24:09,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:24:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:24:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:24:09,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:24:09,763 INFO L87 Difference]: Start difference. First operand 2602 states and 3861 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:24:25,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:29,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:33,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:37,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:41,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:49,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:53,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:24:57,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:01,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:05,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:09,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:14,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:18,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:22,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:26,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:30,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:34,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:38,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:43,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:47,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:51,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:25:55,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:00,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:04,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:08,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:12,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:18,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:24,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:29,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:33,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:38,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:44,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:26:50,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:26:50,052 INFO L93 Difference]: Finished difference Result 2970 states and 4503 transitions. [2023-11-29 06:26:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:26:50,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2023-11-29 06:26:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:26:50,086 INFO L225 Difference]: With dead ends: 2970 [2023-11-29 06:26:50,086 INFO L226 Difference]: Without dead ends: 2968 [2023-11-29 06:26:50,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:26:50,090 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 2466 mSDsluCounter, 4208 mSDsCounter, 0 mSdLazyCounter, 4515 mSolverCounterSat, 1076 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 5623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1076 IncrementalHoareTripleChecker+Valid, 4515 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:26:50,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 5973 Invalid, 5623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1076 Valid, 4515 Invalid, 32 Unknown, 0 Unchecked, 159.6s Time] [2023-11-29 06:26:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2023-11-29 06:26:50,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2602. [2023-11-29 06:26:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2602 states, 1677 states have (on average 1.3661299940369709) internal successors, (2291), 1713 states have internal predecessors, (2291), 784 states have call successors, (784), 138 states have call predecessors, (784), 137 states have return successors, (785), 774 states have call predecessors, (785), 782 states have call successors, (785) [2023-11-29 06:26:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3860 transitions. [2023-11-29 06:26:50,305 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3860 transitions. Word has length 124 [2023-11-29 06:26:50,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:26:50,306 INFO L495 AbstractCegarLoop]: Abstraction has 2602 states and 3860 transitions. [2023-11-29 06:26:50,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:26:50,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3860 transitions. [2023-11-29 06:26:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 06:26:50,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:26:50,313 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:26:50,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:26:50,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:26:50,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:26:50,314 INFO L85 PathProgramCache]: Analyzing trace with hash 867620127, now seen corresponding path program 1 times [2023-11-29 06:26:50,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:26:50,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711506124] [2023-11-29 06:26:50,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:26:50,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:26:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:26:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:26:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:26:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:26:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:26:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:26:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:26:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:26:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:26:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:26:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:26:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:26:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:26:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 06:26:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:26:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:26:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:26:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 06:26:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 06:26:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:26:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:26:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:26:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:26:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:26:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-29 06:26:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:26:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711506124] [2023-11-29 06:26:51,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711506124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:26:51,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:26:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:26:51,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665721159] [2023-11-29 06:26:51,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:26:51,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:26:51,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:26:51,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:26:51,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:26:51,834 INFO L87 Difference]: Start difference. First operand 2602 states and 3860 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 06:27:01,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:11,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:15,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:19,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:23,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:27,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:31,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:35,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:42,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:46,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:50,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:54,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:27:58,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:02,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:07,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:11,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:15,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:19,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:23,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:27,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:31,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:35,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:39,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:43,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:47,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:51,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:28:55,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:01,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:08,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:12,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:17,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:23,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:29:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:29:27,374 INFO L93 Difference]: Finished difference Result 4035 states and 6085 transitions. [2023-11-29 06:29:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:29:27,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 152 [2023-11-29 06:29:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:29:27,406 INFO L225 Difference]: With dead ends: 4035 [2023-11-29 06:29:27,406 INFO L226 Difference]: Without dead ends: 3053 [2023-11-29 06:29:27,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:29:27,415 INFO L413 NwaCegarLoop]: 1403 mSDtfsCounter, 1222 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 1593 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 5368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:29:27,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 3736 Invalid, 5368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1593 Valid, 3744 Invalid, 31 Unknown, 0 Unchecked, 155.0s Time] [2023-11-29 06:29:27,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2023-11-29 06:29:27,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2603. [2023-11-29 06:29:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 1678 states have (on average 1.365911799761621) internal successors, (2292), 1714 states have internal predecessors, (2292), 784 states have call successors, (784), 138 states have call predecessors, (784), 137 states have return successors, (785), 774 states have call predecessors, (785), 782 states have call successors, (785) [2023-11-29 06:29:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3861 transitions. [2023-11-29 06:29:27,614 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3861 transitions. Word has length 152 [2023-11-29 06:29:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:29:27,615 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3861 transitions. [2023-11-29 06:29:27,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 06:29:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3861 transitions. [2023-11-29 06:29:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 06:29:27,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:29:27,620 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:29:27,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:29:27,621 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:29:27,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:29:27,621 INFO L85 PathProgramCache]: Analyzing trace with hash -502668574, now seen corresponding path program 1 times [2023-11-29 06:29:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:29:27,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633400111] [2023-11-29 06:29:27,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:29:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:29:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:29:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:29:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:29:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:29:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 06:29:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:29:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:29:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 06:29:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:29:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:29:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-29 06:29:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:29:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:29:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 06:29:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:29:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 06:29:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:29:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-29 06:29:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-29 06:29:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 06:29:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-29 06:29:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:29:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:29:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 06:29:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 06:29:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:29:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-29 06:29:32,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:29:32,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633400111] [2023-11-29 06:29:32,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633400111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:29:32,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:29:32,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:29:32,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183958968] [2023-11-29 06:29:32,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:29:32,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:29:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:29:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:29:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:29:32,159 INFO L87 Difference]: Start difference. First operand 2603 states and 3861 transitions. Second operand has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 06:30:00,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:15,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:19,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:23,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:27,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:31,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:35,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:39,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:43,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:47,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:51,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:55,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:00,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:10,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:14,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:18,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:22,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:30,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:35,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:39,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:43,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:47,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:51,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:55,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:00,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:04,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:08,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:12,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:16,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:20,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:24,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:28,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:32,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:36,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:40,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:44,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:52,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:32:57,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:07,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:11,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:16,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:20,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:28,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:32,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:43,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:47,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:33:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:33:58,722 INFO L93 Difference]: Finished difference Result 5630 states and 8469 transitions. [2023-11-29 06:33:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:33:58,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) Word has length 160 [2023-11-29 06:33:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:33:58,748 INFO L225 Difference]: With dead ends: 5630 [2023-11-29 06:33:58,748 INFO L226 Difference]: Without dead ends: 3056 [2023-11-29 06:33:58,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:33:58,759 INFO L413 NwaCegarLoop]: 1389 mSDtfsCounter, 1112 mSDsluCounter, 8910 mSDsCounter, 0 mSdLazyCounter, 10310 mSolverCounterSat, 1496 mSolverCounterUnsat, 46 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 260.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 10299 SdHoareTripleChecker+Invalid, 11852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1496 IncrementalHoareTripleChecker+Valid, 10310 IncrementalHoareTripleChecker+Invalid, 46 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:33:58,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 10299 Invalid, 11852 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1496 Valid, 10310 Invalid, 46 Unknown, 0 Unchecked, 265.2s Time] [2023-11-29 06:33:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2023-11-29 06:33:58,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2609. [2023-11-29 06:33:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 1682 states have (on average 1.3650416171224733) internal successors, (2296), 1718 states have internal predecessors, (2296), 784 states have call successors, (784), 138 states have call predecessors, (784), 139 states have return successors, (789), 776 states have call predecessors, (789), 782 states have call successors, (789) [2023-11-29 06:33:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3869 transitions. [2023-11-29 06:33:58,902 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3869 transitions. Word has length 160 [2023-11-29 06:33:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:33:58,903 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 3869 transitions. [2023-11-29 06:33:58,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.818181818181818) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 06:33:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3869 transitions. [2023-11-29 06:33:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 06:33:58,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:33:58,908 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:33:58,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:33:58,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:33:58,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:33:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash 131056131, now seen corresponding path program 1 times [2023-11-29 06:33:58,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:33:58,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574059163] [2023-11-29 06:33:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:58,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:33:59,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:33:59,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1721077653] [2023-11-29 06:33:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:33:59,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:33:59,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:33:59,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:33:59,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:34:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:34:01,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 5028 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 06:34:01,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:34:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-29 06:34:02,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:34:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-29 06:34:04,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:34:04,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574059163] [2023-11-29 06:34:04,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:34:04,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721077653] [2023-11-29 06:34:04,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721077653] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:34:04,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:34:04,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2023-11-29 06:34:04,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58779538] [2023-11-29 06:34:04,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:34:04,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:34:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:34:04,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:34:04,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:34:04,430 INFO L87 Difference]: Start difference. First operand 2609 states and 3869 transitions. Second operand has 14 states, 10 states have (on average 9.9) internal successors, (99), 12 states have internal predecessors, (99), 5 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2023-11-29 06:34:17,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:21,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:25,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:29,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:33,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:37,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:41,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:45,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:49,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:53,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:34:57,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:04,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:08,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:12,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:16,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:20,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:24,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:28,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:32,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:36,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:40,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:44,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:35:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:51,913 INFO L93 Difference]: Finished difference Result 5206 states and 7719 transitions. [2023-11-29 06:35:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:35:51,914 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 9.9) internal successors, (99), 12 states have internal predecessors, (99), 5 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 177 [2023-11-29 06:35:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:51,932 INFO L225 Difference]: With dead ends: 5206 [2023-11-29 06:35:51,932 INFO L226 Difference]: Without dead ends: 2609 [2023-11-29 06:35:51,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:35:51,942 INFO L413 NwaCegarLoop]: 1789 mSDtfsCounter, 281 mSDsluCounter, 17135 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 0 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 18924 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:51,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 18924 Invalid, 2337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2315 Invalid, 22 Unknown, 0 Unchecked, 106.9s Time] [2023-11-29 06:35:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2023-11-29 06:35:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2609. [2023-11-29 06:35:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 1682 states have (on average 1.364447086801427) internal successors, (2295), 1717 states have internal predecessors, (2295), 784 states have call successors, (784), 138 states have call predecessors, (784), 139 states have return successors, (789), 776 states have call predecessors, (789), 782 states have call successors, (789) [2023-11-29 06:35:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3868 transitions. [2023-11-29 06:35:52,137 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3868 transitions. Word has length 177 [2023-11-29 06:35:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:52,138 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 3868 transitions. [2023-11-29 06:35:52,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 9.9) internal successors, (99), 12 states have internal predecessors, (99), 5 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2023-11-29 06:35:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3868 transitions. [2023-11-29 06:35:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-29 06:35:52,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:52,143 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:52,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:52,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:52,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [hdpvr_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, hdpvr_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 06:35:52,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:52,346 INFO L85 PathProgramCache]: Analyzing trace with hash -241940823, now seen corresponding path program 1 times [2023-11-29 06:35:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:52,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685751886] [2023-11-29 06:35:52,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:52,526 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:35:52,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988275973] [2023-11-29 06:35:52,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:52,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:52,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:52,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_177da6f1-5ec9-4e26-ae97-7520babe262a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:35:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:57,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 5045 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 06:35:57,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-29 06:35:58,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:36:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 33 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-29 06:36:00,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:00,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685751886] [2023-11-29 06:36:00,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:36:00,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988275973] [2023-11-29 06:36:00,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988275973] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:36:00,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:36:00,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2023-11-29 06:36:00,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612518682] [2023-11-29 06:36:00,613 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:36:00,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 06:36:00,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:00,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 06:36:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-29 06:36:00,616 INFO L87 Difference]: Start difference. First operand 2609 states and 3868 transitions. Second operand has 14 states, 10 states have (on average 10.0) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (53), 2 states have call predecessors, (53), 5 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54)