./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ --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 106df4f5c2a241158f9b42d6bacea5fef4152f7015c080096ac6f687357e10b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:44:01,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:44:01,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 21:44:01,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:44:01,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:44:01,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:44:01,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:44:01,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:44:01,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:44:01,953 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:44:01,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:44:01,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:44:01,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:44:01,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:44:01,957 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:44:01,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:44:01,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:44:01,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:44:01,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:44:01,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:44:01,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:44:01,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:44:01,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:44:01,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:44:01,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:44:01,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:44:01,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:44:01,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:44:01,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:44:01,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:44:01,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:44:01,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:44:01,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:44:01,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:44:01,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:44:01,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:44:01,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:44:01,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:44:01,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:44:01,976 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_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 106df4f5c2a241158f9b42d6bacea5fef4152f7015c080096ac6f687357e10b4 [2023-11-23 21:44:02,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:44:02,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:44:02,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:44:02,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:44:02,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:44:02,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-11-23 21:44:05,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:44:06,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:44:06,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-11-23 21:44:06,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/data/5dd477162/1e6efa9ce5ef4dd5ab5c8de937b916e7/FLAGa083a6f26 [2023-11-23 21:44:06,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/data/5dd477162/1e6efa9ce5ef4dd5ab5c8de937b916e7 [2023-11-23 21:44:06,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:44:06,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:44:06,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:44:06,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:44:06,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:44:06,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:44:06" (1/1) ... [2023-11-23 21:44:06,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408ddea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:06, skipping insertion in model container [2023-11-23 21:44:06,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:44:06" (1/1) ... [2023-11-23 21:44:06,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:44:09,052 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_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2023-11-23 21:44:09,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:44:09,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:44:09,415 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"); [6103] [2023-11-23 21:44:09,427 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6111-6112] [2023-11-23 21:44:09,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6119] [2023-11-23 21:44:09,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [6179-6180] [2023-11-23 21:44:09,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6185-6187] [2023-11-23 21:44:09,780 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_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i[247200,247213] [2023-11-23 21:44:09,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:44:09,904 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:44:09,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09 WrapperNode [2023-11-23 21:44:09,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:44:09,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:44:09,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:44:09,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:44:09,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:10,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:10,279 INFO L138 Inliner]: procedures = 216, calls = 1507, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 3359 [2023-11-23 21:44:10,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:44:10,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:44:10,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:44:10,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:44:10,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:10,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:10,330 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,116 INFO L189 HeapSplitter]: Split 584 memory accesses to 20 slices as follows [2, 2, 5, 3, 3, 5, 8, 1, 0, 8, 110, 2, 1, 4, 0, 8, 8, 1, 412, 1] [2023-11-23 21:44:11,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:44:11,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:44:11,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:44:11,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:44:11,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (1/1) ... [2023-11-23 21:44:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:44:11,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:44:11,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:44:11,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2dd885-47b6-43a1-b8f1-e20cdcec2aab/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:44:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:44:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:44:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2023-11-23 21:44:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2023-11-23 21:44:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:44:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:44:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 21:44:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 21:44:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 21:44:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 21:44:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 21:44:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 21:44:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 21:44:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 21:44:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 21:44:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 21:44:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 21:44:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 21:44:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 21:44:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 21:44:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 21:44:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 21:44:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-23 21:44:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-23 21:44:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-23 21:44:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-23 21:44:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 21:44:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 21:44:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 21:44:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 21:44:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 21:44:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 21:44:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 21:44:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 21:44:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 21:44:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 21:44:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 21:44:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 21:44:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 21:44:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 21:44:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 21:44:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 21:44:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-23 21:44:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-23 21:44:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-23 21:44:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-23 21:44:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 21:44:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 21:44:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-11-23 21:44:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-11-23 21:44:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:44:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:44:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2023-11-23 21:44:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2023-11-23 21:44:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2023-11-23 21:44:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2023-11-23 21:44:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:44:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:44:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:44:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:44:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2023-11-23 21:44:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2023-11-23 21:44:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-11-23 21:44:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-11-23 21:44:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:44:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:44:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:44:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-23 21:44:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-23 21:44:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:44:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:44:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 21:44:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 21:44:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 21:44:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 21:44:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 21:44:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 21:44:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 21:44:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 21:44:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 21:44:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 21:44:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 21:44:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 21:44:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 21:44:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 21:44:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 21:44:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 21:44:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 21:44:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 21:44:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-23 21:44:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-23 21:44:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:44:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:44:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-23 21:44:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-23 21:44:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:44:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 21:44:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 21:44:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 21:44:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 21:44:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 21:44:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 21:44:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 21:44:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 21:44:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 21:44:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 21:44:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 21:44:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 21:44:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 21:44:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 21:44:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 21:44:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 21:44:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 21:44:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 21:44:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-23 21:44:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-23 21:44:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:44:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:44:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:44:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:44:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:44:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:44:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:44:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:44:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:44:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:44:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:44:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:44:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:44:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:44:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 21:44:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 21:44:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2023-11-23 21:44:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2023-11-23 21:44:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 21:44:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 21:44:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-23 21:44:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-23 21:44:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2023-11-23 21:44:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2023-11-23 21:44:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-23 21:44:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-23 21:44:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2023-11-23 21:44:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2023-11-23 21:44:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 21:44:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 21:44:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 21:44:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 21:44:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 21:44:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 21:44:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 21:44:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 21:44:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 21:44:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 21:44:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 21:44:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 21:44:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 21:44:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 21:44:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 21:44:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 21:44:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-23 21:44:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-23 21:44:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-23 21:44:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-23 21:44:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:44:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:44:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:44:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:44:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 21:44:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 21:44:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 21:44:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 21:44:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 21:44:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 21:44:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 21:44:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 21:44:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 21:44:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 21:44:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 21:44:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 21:44:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 21:44:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 21:44:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 21:44:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 21:44:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-23 21:44:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-23 21:44:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-23 21:44:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-23 21:44:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-23 21:44:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-23 21:44:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-23 21:44:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-23 21:44:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:44:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:44:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:44:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:44:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 21:44:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 21:44:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 21:44:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 21:44:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 21:44:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 21:44:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 21:44:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 21:44:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 21:44:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 21:44:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 21:44:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 21:44:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 21:44:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 21:44:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-23 21:44:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-23 21:44:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 21:44:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 21:44:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 21:44:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 21:44:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 21:44:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 21:44:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 21:44:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 21:44:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 21:44:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 21:44:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 21:44:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 21:44:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 21:44:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-23 21:44:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-23 21:44:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-23 21:44:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-23 21:44:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-23 21:44:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-23 21:44:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-23 21:44:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 21:44:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 21:44:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 21:44:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 21:44:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 21:44:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 21:44:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 21:44:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 21:44:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 21:44:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 21:44:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 21:44:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 21:44:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 21:44:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-23 21:44:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-23 21:44:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-23 21:44:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-23 21:44:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-23 21:44:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-23 21:44:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-23 21:44:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:44:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:44:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:44:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:44:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:44:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:44:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:44:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:44:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2023-11-23 21:44:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2023-11-23 21:44:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:44:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:44:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:44:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:44:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 21:44:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 21:44:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 21:44:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 21:44:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 21:44:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 21:44:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 21:44:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 21:44:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 21:44:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 21:44:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 21:44:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 21:44:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 21:44:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 21:44:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-23 21:44:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-23 21:44:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2023-11-23 21:44:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2023-11-23 21:44:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-23 21:44:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-23 21:44:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:44:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:44:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2023-11-23 21:44:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2023-11-23 21:44:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2023-11-23 21:44:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 21:44:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 21:44:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 21:44:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 21:44:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 21:44:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 21:44:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 21:44:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-23 21:44:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2023-11-23 21:44:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2023-11-23 21:44:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:44:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:44:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 21:44:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 21:44:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-11-23 21:44:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-11-23 21:44:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:44:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:44:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:44:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:44:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 21:44:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 21:44:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-23 21:44:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:44:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:44:12,747 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:44:12,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:44:21,030 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:44:21,332 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:44:21,333 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:44:21,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:44:21 BoogieIcfgContainer [2023-11-23 21:44:21,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:44:21,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:44:21,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:44:21,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:44:21,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:44:06" (1/3) ... [2023-11-23 21:44:21,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a35be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:44:21, skipping insertion in model container [2023-11-23 21:44:21,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:44:09" (2/3) ... [2023-11-23 21:44:21,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a35be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:44:21, skipping insertion in model container [2023-11-23 21:44:21,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:44:21" (3/3) ... [2023-11-23 21:44:21,348 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2023-11-23 21:44:21,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:44:21,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:44:21,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:44:21,487 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;@7397a2ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:44:21,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:44:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 993 states, 669 states have (on average 1.3871449925261585) internal successors, (928), 689 states have internal predecessors, (928), 271 states have call successors, (271), 51 states have call predecessors, (271), 51 states have return successors, (271), 265 states have call predecessors, (271), 271 states have call successors, (271) [2023-11-23 21:44:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:44:21,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:21,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:21,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:44:21,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:21,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1016974919, now seen corresponding path program 1 times [2023-11-23 21:44:21,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:21,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105664755] [2023-11-23 21:44:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:22,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:22,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105664755] [2023-11-23 21:44:22,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105664755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:22,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:22,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:44:22,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360439431] [2023-11-23 21:44:22,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:22,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:44:22,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:22,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:44:22,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:22,161 INFO L87 Difference]: Start difference. First operand has 993 states, 669 states have (on average 1.3871449925261585) internal successors, (928), 689 states have internal predecessors, (928), 271 states have call successors, (271), 51 states have call predecessors, (271), 51 states have return successors, (271), 265 states have call predecessors, (271), 271 states have call successors, (271) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:24,009 INFO L93 Difference]: Finished difference Result 2955 states and 4471 transitions. [2023-11-23 21:44:24,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:44:24,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-23 21:44:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:24,044 INFO L225 Difference]: With dead ends: 2955 [2023-11-23 21:44:24,044 INFO L226 Difference]: Without dead ends: 1959 [2023-11-23 21:44:24,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:24,062 INFO L413 NwaCegarLoop]: 1398 mSDtfsCounter, 1449 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 2703 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:24,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 2703 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:44:24,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2023-11-23 21:44:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1954. [2023-11-23 21:44:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1323 states have (on average 1.3718820861678005) internal successors, (1815), 1354 states have internal predecessors, (1815), 531 states have call successors, (531), 101 states have call predecessors, (531), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2023-11-23 21:44:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2878 transitions. [2023-11-23 21:44:24,329 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2878 transitions. Word has length 7 [2023-11-23 21:44:24,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:24,330 INFO L495 AbstractCegarLoop]: Abstraction has 1954 states and 2878 transitions. [2023-11-23 21:44:24,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2878 transitions. [2023-11-23 21:44:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:44:24,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:24,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:24,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:44:24,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:44:24,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:24,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1460946959, now seen corresponding path program 1 times [2023-11-23 21:44:24,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:24,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926507525] [2023-11-23 21:44:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:24,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:24,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:24,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926507525] [2023-11-23 21:44:24,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926507525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:24,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:24,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:44:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746695564] [2023-11-23 21:44:24,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:24,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:44:24,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:44:24,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:24,600 INFO L87 Difference]: Start difference. First operand 1954 states and 2878 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:25,217 INFO L93 Difference]: Finished difference Result 1956 states and 2879 transitions. [2023-11-23 21:44:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:44:25,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-23 21:44:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:25,237 INFO L225 Difference]: With dead ends: 1956 [2023-11-23 21:44:25,238 INFO L226 Difference]: Without dead ends: 1953 [2023-11-23 21:44:25,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:25,242 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 1443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:25,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 1329 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:44:25,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2023-11-23 21:44:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2023-11-23 21:44:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1323 states have (on average 1.3711262282690855) internal successors, (1814), 1353 states have internal predecessors, (1814), 530 states have call successors, (530), 101 states have call predecessors, (530), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2023-11-23 21:44:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2876 transitions. [2023-11-23 21:44:25,405 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2876 transitions. Word has length 8 [2023-11-23 21:44:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:25,405 INFO L495 AbstractCegarLoop]: Abstraction has 1953 states and 2876 transitions. [2023-11-23 21:44:25,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2876 transitions. [2023-11-23 21:44:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:44:25,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:25,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:25,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:44:25,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:44:25,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:25,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1955784118, now seen corresponding path program 1 times [2023-11-23 21:44:25,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:25,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723087525] [2023-11-23 21:44:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:25,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:25,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723087525] [2023-11-23 21:44:25,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723087525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:25,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:25,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:44:25,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988838917] [2023-11-23 21:44:25,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:25,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:44:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:44:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:25,602 INFO L87 Difference]: Start difference. First operand 1953 states and 2876 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:26,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:26,323 INFO L93 Difference]: Finished difference Result 1955 states and 2877 transitions. [2023-11-23 21:44:26,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:44:26,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-23 21:44:26,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:26,339 INFO L225 Difference]: With dead ends: 1955 [2023-11-23 21:44:26,339 INFO L226 Difference]: Without dead ends: 1952 [2023-11-23 21:44:26,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:26,352 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 1440 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:26,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 1327 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:44:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2023-11-23 21:44:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1952. [2023-11-23 21:44:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1323 states have (on average 1.3703703703703705) internal successors, (1813), 1352 states have internal predecessors, (1813), 529 states have call successors, (529), 101 states have call predecessors, (529), 99 states have return successors, (532), 508 states have call predecessors, (532), 520 states have call successors, (532) [2023-11-23 21:44:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2874 transitions. [2023-11-23 21:44:26,509 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2874 transitions. Word has length 9 [2023-11-23 21:44:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:26,514 INFO L495 AbstractCegarLoop]: Abstraction has 1952 states and 2874 transitions. [2023-11-23 21:44:26,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2874 transitions. [2023-11-23 21:44:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 21:44:26,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:26,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:26,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:44:26,515 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:44:26,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -500260238, now seen corresponding path program 1 times [2023-11-23 21:44:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:26,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884259192] [2023-11-23 21:44:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:26,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:44:26,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:26,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884259192] [2023-11-23 21:44:26,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884259192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:26,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:26,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:44:26,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799829482] [2023-11-23 21:44:26,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:26,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:44:26,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:26,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:44:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:26,676 INFO L87 Difference]: Start difference. First operand 1952 states and 2874 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:28,371 INFO L93 Difference]: Finished difference Result 5818 states and 8677 transitions. [2023-11-23 21:44:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:44:28,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-23 21:44:28,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:28,407 INFO L225 Difference]: With dead ends: 5818 [2023-11-23 21:44:28,408 INFO L226 Difference]: Without dead ends: 3862 [2023-11-23 21:44:28,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:44:28,428 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 1445 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:28,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 2692 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:44:28,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2023-11-23 21:44:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3840. [2023-11-23 21:44:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 2610 states have (on average 1.372030651340996) internal successors, (3581), 2666 states have internal predecessors, (3581), 1034 states have call successors, (1034), 198 states have call predecessors, (1034), 195 states have return successors, (1098), 995 states have call predecessors, (1098), 1022 states have call successors, (1098) [2023-11-23 21:44:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5713 transitions. [2023-11-23 21:44:28,751 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5713 transitions. Word has length 10 [2023-11-23 21:44:28,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:44:28,751 INFO L495 AbstractCegarLoop]: Abstraction has 3840 states and 5713 transitions. [2023-11-23 21:44:28,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:44:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5713 transitions. [2023-11-23 21:44:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 21:44:28,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:44:28,766 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:44:28,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:44:28,766 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:44:28,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:44:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1528099746, now seen corresponding path program 1 times [2023-11-23 21:44:28,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:44:28,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356332341] [2023-11-23 21:44:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:44:28,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:44:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:44:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:44:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:44:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 21:44:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 21:44:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-23 21:44:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 21:44:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 21:44:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:44:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 21:44:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-23 21:44:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 21:44:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:44:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 21:44:30,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:44:30,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356332341] [2023-11-23 21:44:30,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356332341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:44:30,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:44:30,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:44:30,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334704731] [2023-11-23 21:44:30,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:44:30,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:44:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:44:30,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:44:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:44:30,298 INFO L87 Difference]: Start difference. First operand 3840 states and 5713 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:44:35,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:44:37,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:44:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:44:50,708 INFO L93 Difference]: Finished difference Result 8006 states and 12161 transitions. [2023-11-23 21:44:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:44:50,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 112 [2023-11-23 21:44:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:44:50,765 INFO L225 Difference]: With dead ends: 8006 [2023-11-23 21:44:50,766 INFO L226 Difference]: Without dead ends: 4167 [2023-11-23 21:44:50,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:44:50,789 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 908 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 642 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:44:50,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 4482 Invalid, 3320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [642 Valid, 2676 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2023-11-23 21:44:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states.